Want to see the details?CLICK HERE to view full-screen photo.
Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg was NOT submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
Gary’s red railgun is arguably the Most Accurate Gun Ever Built. As far as we can determine, no one has ever shot a smaller 5-target Agg anywhere, at any time. FYI, the NBRSA Unlimited Class 5×5 Aggregate World Record is 0.1242″ shot by Jerry Lahr in 2012. Gary’s 0.0840″ Agg is much smaller.
The Unlimited Benchrest Record That Will Never Be (Official)
Report by Boyd Allen
Gary Ocock’s stunning unlimited Aggregate is beyond amazing. That’s an average of five, 5-shot groups of .0840. Shot under sanctioned match rules, but at an unsanctioned 100-yard fun match, this Aggregate is well under the current 100-yard official records of the IBS (.1386), and the NBRSA (.1242). The fourth of the five groups measured a minuscule .018, less than half the size of the existing NBRSA Unlimited record of .049 (also shot by Gary). Check it out:
When the top 15 shooters all post teen Aggs, conditions must be pretty favorable. However there were some light switchy winds — Gary said that he shot better in the left to right condition.
GUN SPECIFICATIONS
Ocock’s red Jay Young Unlimited Railgun features one major difference from Young’s typical Railgun designs. The bottom of the barrel block is integral with the top (moving part), of the gun. The barrel is Ocock’s usual 1:13.5″-twist Krieger chambered for the 6 PPC. The BAT Neuvo action* is unusual in that its lugs are horizontal at lock-up instead of the usual vertical. With horizontal lugs, both lugs maintain contact with their abutments when the action is cocked. In the more normal configuration when cocked the top lug is forced off of its seat by a combination of the angle of the trigger cocking piece interface, the pressure of the striker spring, and bolt clearance at the rear of the action.
LOAD SPECIFICATIONS
Gary shot this remarkable Agg with well-used brass, Vihtavuori N133 powder, and self-made 66gr BT bullets** seated at “jam”. This amazing Agg was shot on the second day of a 2-day Unlimited Benchrest match. On Day 1 Gary had experimented with various loads using both surplus IMR 8208 and Vihtavuori N133, but was not satisfied with the results. For his first group on Day 2, Gary tried a light load of N133. After seeing the result, however, he decided to go to the other extreme — a super stout N133 load — with the same powder. As you can see, Gary’s willingness to experiment paid off.
Notably, Gary used light neck tension. Ocock found that for these bullets and this barrel, light neck tension worked best (contrary to “normal” N133 benchrest practice). Ocock used a bushing that only produces .001″ difference between the diameters of sized and loaded case necks.
This video shows a line-up of Rail-Guns. One of Gary Ocock’s Rails appears at the 0:35 time-mark.
Comment on Ocock’s Achievement
Congratulations to Gary Ocock for superb shooting (and smart loading). Even though the match was not sanctioned (so the Agg will never be a record), Ocock has raised the bar very high, and given us a new standard of ultimate accuracy.
Though this 0.0840 Aggregate and 0.018 group will never go into the record group, they are still noteworthy. There’s virtually no doubt that they would have survived inspection by any record committee. Except for the lack of fixed backers, an IBS requirement (for detecting cross-fires), all other conditions were met for an officially-sanctioned match.
Ocock Did Set Single-Group IBS World Record with Red Railgun
Photo credit: Ben Zentner
Here is Gary with his Red Railgun at a Visalia event in October 2017. Ocock let the event’s youngest competitor, 12-year-old Gavin Lichtenwalter, shoot Gary’s new Railgun for the last three matches on Sunday afternoon. The day before, 10/21/17, Gary shot an IBS Heavy Benchrest World Record putting five shots in just 0.045 inches, as certified by the IBS record committee. Here is that group, as first measured at the range at 0.039 inches. Gary also holds the Unlimited 5-Shot NBRSA 100-Yard Record with an 0.049 inch single group shot on 10/17/2009.
*The new BAT Neuvo actions are the result of a collaboration between Dwight Scott, and Bruce Thom, featuring Dwight’s ideas and BAT’s proven manufacturing expertise.
** Ocock shot his own, boat-tail match bullets, made with George Ulrich-crafted dies using Hood cores. Although he said that it had been a while since he had weighed any, his best guess was that they weigh something around 66.5 grains.
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Here are five targets, each with FIVE shots in essentially one hole. This amazing feat of accuracy was accomplished six years ago. We are reprising our report because this five-target Aggregate arguably represents the most impressive feat of 100-yard accuracy in the history of marksmanship on this planet.
Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s amazing 0.0840 Five-Target Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg will NOT be submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
The argument can be made that this is the Most Accurate Gun Ever Built. As far as we can determine, no one has ever shot a smaller 5-target Agg anywhere, at any time.
The Unlimited Benchrest Record That Will Never Be (Official)
Report by Boyd Allen
Gary Ocock’s stunning unlimited Aggregate is beyond amazing. That’s an average of five, 5-shot groups of .0840. Shot under sanctioned match rules, but at an unsanctioned 100-yard fun match, this Aggregate is well under the current 100-yard official records of the IBS (.1386), and the NBRSA (.1242). The fourth of the five groups measured a minuscule .018, less than half the size of the existing NBRSA Unlimited record of .049 (also shot by Gary). Check it out:
When the top 15 shooters all post teen Aggs, conditions must be pretty favorable. However there were some light switchy winds — Gary said that he shot better in the left to right condition.
GUN SPECIFICATIONS
Ocock’s red Jay Young Unlimited Railgun features one major difference from Young’s typical Railgun designs. The bottom of the barrel block is integral with the top (moving part), of the gun. The barrel is Ocock’s usual 1:13.5″-twist Krieger chambered for the 6 PPC. The BAT Neuvo action is unusual in that its lugs are horizontal at lock-up instead of the usual vertical. With horizontal lugs, both lugs maintain contact with their abutments when the action is cocked. In the more normal configuration when cocked the top lug is forced off of its seat by a combination of the angle of the trigger cocking piece interface, the pressure of the striker spring, and bolt clearance at the rear of the action.
LOAD SPECIFICATIONS
Gary shot this remarkable Agg with well-used brass, Vihtavuori N133 powder, and self-made 66gr BT bullets* seated at “jam”. This amazing Agg was shot on the second day of a 2-day Unlimited Benchrest match. On Day 1 Gary had experimented with various loads using both surplus IMR 8208 and Vihtavuori N133, but was not satisfied with the results. For his first group on Day 2, Gary tried a light load of N133. After seeing the result, however, he decided to go to the other extreme — a super stout N133 load — with the same powder. As you can see, Gary’s willingness to experiment paid off.
Notably, Gary used light neck tension. Ocock found that for these bullets and this barrel, light neck tension worked best (contrary to “normal” N133 benchrest practice). Ocock used a bushing that only produces .001″ difference between the diameters of sized and loaded case necks.
Comment on Ocock’s Achievement
Congratulations to Gary Ocock for superb shooting (and smart loading). Even though the match was not sanctioned (so the Agg will never be a record), Ocock has raised the bar very high, and given us a new standard of ultimate accuracy.
Though this 0.0840 Aggregate and 0.018 group will never go into the record group, they are still noteworthy. There’s virtually no doubt that they would have survived inspection by any record committee. Except for the lack of fixed backers, an IBS requirement (for detecting cross-fires), all other conditions were met for an officially-sanctioned match.
Boyd Allen notes: The reason that the match was not sanctioned was that the sanctioning bodies like to have a month’s notice when scheduling a sanctioned match and because the range had been down for modifications and this was the first match after that, there was some question as to whether the work required to have stationary backers could be finished in time for the match. Rather than promise what might not be deliverable, the decision was made to hold the match under all of the usual competition rules as a non-sanctioned “fun” match. None of this diminishes Gary’s performance.
* Gary Ocock shot his own, boat-tail match bullets, made with George Ulrich-crafted dies using Hood cores. Although he said that it had been a while since he had weighed any, his best guess was that they weigh something around 66.5 grains.
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Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg will NOT be submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
Gary’s red railgun is arguably the Most Accurate Gun Ever Built. As far as we can determine, no one has ever shot a smaller 5-target Agg anywhere, at any time. FYI, the NBRSA Unlimited Class 5×5 Aggregate World Record is 0.1242″ shot by Jerry Lahr in 2012. Gary’s 0.0840″ Agg is much smaller.
The Unlimited Benchrest Record That Will Never Be (Official)
Report by Boyd Allen
Gary Ocock’s stunning unlimited Aggregate is beyond amazing. That’s an average of five, 5-shot groups of .0840. Shot under sanctioned match rules, but at an unsanctioned 100-yard fun match, this Aggregate is well under the current 100-yard official records of the IBS (.1386), and the NBRSA (.1242). The fourth of the five groups measured a minuscule .018, less than half the size of the existing NBRSA Unlimited record of .049 (also shot by Gary). Check it out:
When the top 15 shooters all post teen Aggs, conditions must be pretty favorable. However there were some light switchy winds — Gary said that he shot better in the left to right condition.
GUN SPECIFICATIONS
Ocock’s red Jay Young Unlimited Railgun features one major difference from Young’s typical Railgun designs. The bottom of the barrel block is integral with the top (moving part), of the gun. The barrel is Ocock’s usual 1:13.5″-twist Krieger chambered for the 6 PPC. The BAT Neuvo action* is unusual in that its lugs are horizontal at lock-up instead of the usual vertical. With horizontal lugs, both lugs maintain contact with their abutments when the action is cocked. In the more normal configuration when cocked the top lug is forced off of its seat by a combination of the angle of the trigger cocking piece interface, the pressure of the striker spring, and bolt clearance at the rear of the action.
LOAD SPECIFICATIONS
Gary shot this remarkable Agg with well-used brass, Vihtavuori N133 powder, and self-made 66gr BT bullets** seated at “jam”. This amazing Agg was shot on the second day of a 2-day Unlimited Benchrest match. On Day 1 Gary had experimented with various loads using both surplus IMR 8208 and Vihtavuori N133, but was not satisfied with the results. For his first group on Day 2, Gary tried a light load of N133. After seeing the result, however, he decided to go to the other extreme — a super stout N133 load — with the same powder. As you can see, Gary’s willingness to experiment paid off.
Notably, Gary used light neck tension. Ocock found that for these bullets and this barrel, light neck tension worked best (contrary to “normal” N133 benchrest practice). Ocock used a bushing that only produces .001″ difference between the diameters of sized and loaded case necks.
This video shows a line-up of Rail-Guns. One of Gary Ocock’s Rails appears at the 0:35 time-mark.
Comment on Ocock’s Achievement
Congratulations to Gary Ocock for superb shooting (and smart loading). Even though the match was not sanctioned (so the Agg will never be a record), Ocock has raised the bar very high, and given us a new standard of ultimate accuracy.
Though this 0.0840 Aggregate and 0.018 group will never go into the record group, they are still noteworthy. There’s virtually no doubt that they would have survived inspection by any record committee. Except for the lack of fixed backers, an IBS requirement (for detecting cross-fires), all other conditions were met for an officially-sanctioned match.
Ocock Did Set Single-Group IBS World Record with Red Railgun
Photo credit: Ben Zentner
Here is Gary with his Red Railgun at a Visalia event in October 2017. Ocock let the event’s youngest competitor, 12-year-old Gavin Lichtenwalter, shoot Gary’s new Railgun for the last three matches on Sunday afternoon. The day before, 10/21/17, Gary shot an IBS Heavy Benchrest World Record putting five shots in just 0.045 inches, as certified by the IBS record committee. Here is that group, as first measured at the range at 0.039 inches.
*The new BAT Neuvo actions are the result of a collaboration between Dwight Scott, and Bruce Thom, featuring Dwight’s ideas and BAT’s proven manufacturing expertise.
** Ocock shot his own, boat-tail match bullets, made with George Ulrich-crafted dies using Hood cores. Although he said that it had been a while since he had weighed any, his best guess was that they weigh something around 66.5 grains.
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Five targets, each with FIVE shots in essentially one hole. The events of this story happened two years ago. We are reprising our report because this five-target Aggregate arguably represents the most impressive feat of 100-yard accuracy in the history of marksmanship on this planet.
Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg will NOT be submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
The argument can be made that this is the Most Accurate Gun Ever Built. As far as we can determine, no one has ever shot a smaller 5-target Agg anywhere, at any time.
The Unlimited Benchrest Record That Will Never Be (Official)
Report by Boyd Allen
Gary Ocock’s stunning unlimited Aggregate is beyond amazing. That’s an average of five, 5-shot groups of .0840. Shot under sanctioned match rules, but at an unsanctioned 100-yard fun match, this Aggregate is well under the current 100-yard official records of the IBS (.1386), and the NBRSA (.1242). The fourth of the five groups measured a minuscule .018, less than half the size of the existing NBRSA Unlimited record of .049 (also shot by Gary). Check it out:
When the top 15 shooters all post teen Aggs, conditions must be pretty favorable. However there were some light switchy winds — Gary said that he shot better in the left to right condition.
GUN SPECIFICATIONS
Ocock’s red Jay Young Unlimited Railgun features one major difference from Young’s typical Railgun designs. The bottom of the barrel block is integral with the top (moving part), of the gun. The barrel is Ocock’s usual 1:13.5″-twist Krieger chambered for the 6 PPC. The BAT Neuvo action* is unusual in that its lugs are horizontal at lock-up instead of the usual vertical. With horizontal lugs, both lugs maintain contact with their abutments when the action is cocked. In the more normal configuration when cocked the top lug is forced off of its seat by a combination of the angle of the trigger cocking piece interface, the pressure of the striker spring, and bolt clearance at the rear of the action.
LOAD SPECIFICATIONS
Gary shot this remarkable Agg with well-used brass, Vihtavuori N133 powder, and self-made 66gr BT bullets** seated at “jam”. This amazing Agg was shot on the second day of a 2-day Unlimited Benchrest match. On Day 1 Gary had experimented with various loads using both surplus IMR 8208 and Vihtavuori N133, but was not satisfied with the results. For his first group on Day 2, Gary tried a light load of N133. After seeing the result, however, he decided to go to the other extreme — a super stout N133 load — with the same powder. As you can see, Gary’s willingness to experiment paid off.
Notably, Gary used light neck tension. Ocock found that for these bullets and this barrel, light neck tension worked best (contrary to “normal” N133 benchrest practice). Ocock used a bushing that only produces .001″ difference between the diameters of sized and loaded case necks.
Comment on Ocock’s Achievement
Congratulations to Gary Ocock for superb shooting (and smart loading). Even though the match was not sanctioned (so the Agg will never be a record), Ocock has raised the bar very high, and given us a new standard of ultimate accuracy.
Though this 0.0840 Aggregate and 0.018 group will never go into the record group, they are still noteworthy. There’s virtually no doubt that they would have survived inspection by any record committee. Except for the lack of fixed backers, an IBS requirement (for detecting cross-fires), all other conditions were met for an officially-sanctioned match.
*The new BAT Neuvo actions are the result of a collaboration between Dwight Scott, and Bruce Thom, featuring Dwight’s ideas and BAT’s proven manufacturing expertise.
** Ocock shot his own, boat-tail match bullets, made with George Ulrich-crafted dies using Hood cores. Although he said that it had been a while since he had weighed any, his best guess was that they weigh something around 66.5 grains.
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Gary Ocock let the event’s youngest competitor, 12-year-old Gavin Lichtenwalter, shoot Gary’s new Railgun for the last three matches on Sunday afternoon. The day before Gary shot what should be a new IBS 100-yard, five-shot HB group record. Photo credit: Ben Zentner
Heavy Benchrest (Unlimited) rifles, also known as “Railguns”, are the most accurate competition firearms ever invented. And these amazing examples of shooting technology showed their capability recently, with potentially four (4) new records being set at an IBS Heavy Benchrest Invitational match in Visalia, California. If you are curious about the most accurate rifles on the planet, then read on…
2017 Visalia Invitational — IBS Heavy Benchrest Match
Report by Boyd Allen, IBS Exec. Vice President
There was some amazing shooting at a recent Invitational Heavy Benchrest match* held in Visalia, California on October 21-22, 2017. No less than FOUR new Heavy Benchrest (HB) records may have been set. Three individual targets were submitted for the 100-yard HB five-shot group record, a .039 by Gary Ocock (photo below), along with two targets by Jim Nicolas, a .040 and .041.
Multiple Aggregate records (at both 100 and 200 yards) may also have been set. Larry Boers shot a 100-yard, five-target 0.1232 Aggregate that will be submitted for the IBS HB 100-yard, five-shot group Agg record. And Gary Ocock may have set two additional HB Agg records. Gary’s five-target 200-yard Agg (0.1310) is a potential new five-shot-per-target record, as is his ten-target Grand Agg (0.1480) (that covers 100 AND 200 yards, five targets per yardage, ten targets total).
Top Guns Come to IBS Match in California
This California match attracted some of the best Railgun pilots in the game today. On the firing line were three current NBRSA Unlimited record holders: Larry Boers (one record), Steve Kostanich (two records), and Gary Ocock (three current NBRSA UNL records, plus one HV). All three shot well enough in this match that their targets are being submitted to the IBS for consideration as Group, Aggregate, or Grand Aggregate records. NOTE: The “Heavy Benchrest” IBS category is equivalent to “Unlimited” under NBRSA rules. CLICK HERE for Complete Match Results.
Top Shooters for the Match included: Larry Boers (Two Gun, HB GrAgg1, HB 100-yd); Gary Ocock (HB 200-yd and HB GrAgg2); Francis Lee (HB 200-yd).
Two-Gun Overall Results Note: The computer software shows the results for one Grand Agg as “Heavy Varmint”. In fact the SAME HB Railguns were used for both Grand Aggs, so the “Two-Gun Agg” is actually a pair of HB Aggs.
Top Equipment List
Saturday Winners: George Lozano, Larry Boers, Lawrence Weisdorn, Gary Ocock, Joe Stanovich, and Jim Nicolas. Photo by: Dan Lutke.
Conditions: It rained on Friday, but Saturday and Sunday were sunny and slightly cool at first and perfect after that. Saturday at 10:00 am it was 62°, 64%, and the wind was light, increasing slightly later in the day. Sunday’s conditions were similar with a slightly higher wind speed, but still light. The wind was from the West at 3-10 mph, generally stronger closer to the firing line than down range. This normally is more of a picker’s range than a runner’s venue. However, there was some “running” of groups this weekend since rail guns are particularly suited for that style of shooting.
Hall of Famer Helps Young Novice
Along with the seasoned veterans, there was a new competitor, a 12-year-old shooting his very first match. As with life, there were highs and lows. Young Gavin started out with an equipment failure — the rifle he brought wasn’t working, so shooter Bob Hatley let Gavin borrow Bob’s bag gun. Then Gavin got some expert assistance from one of the world’s best — Hall of Famer Gary Ocock. Gary let Gavin shoot the last three 200-yard matches with Gary’s new integral block, Jay Young-built Railgun, one of the most accurate firearms on the planet. Gary shot this rig on relay #1 and let Gavin shoot it in relay #2. How many of us will ever get this kind of opportunity, much less a first time 12-year-old competitor? It’s like a school kid getting to drive an Indy-winning race car.
This photo shows Gavin with family and friends: Grandmother Mary Oulrey, father Mark Lichtenwalter (second from left), grandfather Gary Oulrey (far right). Bob Hatley (extreme left) stepped up to share his bag rifle with Gavin, and Gary Ocock (right of Gavin) let Gavin shoot his Railgun. Note Gavin is wearing Gary’s Hall-of-Fame jacket.
The Facility at Visala — Dale Wimp Rifle and Pistol Range
The Visalia Range has a covered firing line with 28 fixed, monolithic steel-reinforced concrete benches. The direction of fire is north. The cover extends well past the front of the benches as does the concrete. There are covered loading areas both at the level of the benches, directly behind them, and one level up farther to the rear. The firing line and range are below the level of the surrounding land, having been excavated in flat ground with the material from the excavation surrounding the range on three sides, higher in the back, forming an impact berm. A major construction project is about to be finished that will extend the range to 300 yards, and provide a new 10-station, 25-yard pistol range.
Surrounded by fields, the Visalia Range is located in California’s Central Valley, a rich agricultural area.
Notables on the Visalia Firing Line
Three of the competitors at the match deserve special mention because of their recent accomplishments in the world of Benchrest shooting and the interesting equipment they had on display.
Jim Nicholas was on fire on Saturday. During Saturday morning’s 100-yard Aggregate he shot a .040 in the fourth match, and a .041 in the fifth. Both targets and the .039 that Gary Ocock shot were sent in to be measured for a record. All are substantially smaller than the current record, Hap Zeiser’s .063. In the photo above, note the tuner. Jim adjusted a little less than 8 degrees just before he shot .040 in the fourth match and .041 in the fifth. That must have been the “sweet spot”. Jim’s blue Railgun, built by Craig Kinsler, features a barrel block that is integral with the rig top. This is like the new Jay Young Railgun Ocock shoots.
Larry Boers owns the NBRSA Unlimited, 100-yard 10-shot group record (.097). This makes the fourth time that he has won the Two-Gun Overall for this match. Larry is not just a trigger-puller — he makes his own bullets and chambers his own barrels. This year he shot a bullet he still lists under his bullet-making mentor’s name (Del Bishop) a 65 grain, double radius 5/9 FB made from J4 .790 jackets, out of a Nemi point die. Del originally made the bullet and the story is that Nemi at first refused to make the die because he was sure that it wouldn’t shoot well. Later, after some cajoling by Del, he made it, tried a few and excitedly called Dell to tell him just how good the bullets shot. Larry set his record shooting a .750 jacket short BT (.040) bullet from the same die.
Steve Kostanich, a long-time competitor and highly-respected gunsmith from Washington State, recently received official confirmation that he will go in the record books with a pair of 10-shot Unlimited NBRSA world records. The first record is a 10-shot 200-yard 0.1839 Aggregate, while the second is Steve’s 100-200 yard 0.1951 Grand Aggregate.
Parting Shot — This is what happens when you set your Wind Flag stand too high.
* Course of Fire: This was a two-day Heavy Benchrest (aka HB or “Unlimited”) weekend match with targets at 100 and 200 yards, five shots per target. Saturday all shooting was at 100 yards. Sunday all shooting was at 200 yards. There were two (2) Grand Aggregates. One Grand Agg combined Saturday morning (100) with Sunday afternoon (200). The Second Grand Agg combined Saturday afternoon (100) and Sunday morning (200). The match had two HB Grand Aggs because only one class of gun (Heavy Benchrest or “Unlimited”) was shot. The computer software shows the results for one Grand Agg as “Heavy Varmint”, but all matches were for Heavy Benchrest (Unlimited) guns. NOTE: Some competitors did shoot bag guns as these are allowed under HB/Unlimited rules.
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Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg will NOT be submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
The argument can be made that this is the Most Accurate Gun Ever Built. As far as we can determine, no one has ever shot a smaller 5-target Agg anywhere, at any time.
The Unlimited Benchrest Record That Will Never Be (Official)
Report by Boyd Allen
Gary Ocock’s stunning unlimited Aggregate is beyond amazing. That’s an average of five, 5-shot groups of .0840. Shot under sanctioned match rules, but at an unsanctioned 100-yard fun match, this Aggregate is well under the current 100-yard official records of the IBS (.1386), and the NBRSA (.1242). The fourth of the five groups measured a minuscule .018, less than half the size of the existing NBRSA Unlimited record of .049 (also shot by Gary). Check it out:
When the top 15 shooters all post teen Aggs, conditions must be pretty favorable. However there were some light switchy winds — Gary said that he shot better in the left to right condition.
GUN SPECIFICATIONS
Ocock’s red Jay Young Unlimited Railgun features one major difference from Young’s typical Railgun designs. The bottom of the barrel block is integral with the top (moving part), of the gun. The barrel is Ocock’s usual 1:13.5″-twist Krieger chambered for the 6 PPC. The BAT Neuvo action* is unusual in that its lugs are horizontal at lock-up instead of the usual vertical. With horizontal lugs, both lugs maintain contact with their abutments when the action is cocked. In the more normal configuration when cocked the top lug is forced off of its seat by a combination of the angle of the trigger cocking piece interface, the pressure of the striker spring, and bolt clearance at the rear of the action.
LOAD SPECIFICATIONS
Gary shot this remarkable Agg with well-used brass, Vihtavuori N133 powder, and self-made 66gr BT bullets** seated at “jam”. This amazing Agg was shot on the second day of a 2-day Unlimited Benchrest match. On Day 1 Gary had experimented with various loads using both surplus IMR 8208 and Vihtavuori N133, but was not satisfied with the results. For his first group on Day 2, Gary tried a light load of N133. After seeing the result, however, he decided to go to the other extreme — a super stout N133 load — with the same powder. As you can see, Gary’s willingness to experiment paid off.
Notably, Gary used light neck tension. Ocock found that for these bullets and this barrel, light neck tension worked best (contrary to “normal” N133 benchrest practice). Ocock used a bushing that only produces .001″ difference between the diameters of sized and loaded case necks.
Comment on Ocock’s Achievement
Congratulations to Gary Ocock for superb shooting (and smart loading). Even though the match was not sanctioned (so the Agg will never be a record), Ocock has raised the bar very high, and given us a new standard of ultimate accuracy.
Though this 0.0840 Aggregate and 0.018 group will never go into the record group, they are still noteworthy. There’s virtually no doubt that they would have survived inspection by any record committee. Except for the lack of fixed backers, an IBS requirement (for detecting cross-fires), all other conditions were met for an officially-sanctioned match.
*The new BAT Neuvo actions are the result of a collaboration between Dwight Scott, and Bruce Thom, featuring Dwight’s ideas and BAT’s proven manufacturing expertise.
** Ocock shot his own, boat-tail match bullets, made with George Ulrich-crafted dies using Hood cores. Although he said that it had been a while since he had weighed any, his best guess was that they weigh something around 66.5 grains.
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You’ve heard of “Adrenalin Junkies”? Well many readers of this website could rightly be called “Accuracy Junkies”. And for true accuracy junkies nothing can beat the “rush” you get with a rail gun. These heavy Unlimited rigs are the most accurate benchtop shooting machines ever created. Campaigned by ace competitors in the 100/200-yard benchrest game, rail guns are capable of delivering the ultimate in rifle accuracy — multiple groups in the zeros one after another.
RAIL GUNS GALORE — Video shows many current Rail Guns (Ocock Rail at 0:35 Mark):
Ultimate Benchrest Accuracy
How accurate can rail guns be? Hall-of-Fame shooter (and skilled gunsmith) Gary Ocock recently shot a terrific five-target Agg this past weekend in a match at Visalia, California. The range-measured Agg (average group size of all five targets) is an amazing 0.1088″, with four “zero” groups out of five. Though it won’t be submitted for a new record, this Agg is still a stunning demonstration of the accuracy these big rigs can deliver. The current NBRSA Unlimited 5-target, 100-yard Agg record is 0.1242 by Jerry Lahr. Congrats to Gary for a fine performance. The cartridge was a 6 PPC loaded with Gary’s own custom-made boat-tail bullets. The rifle is a modified Jay Young Rail, fitted with a 1:13.5″-twist Krieger barrel.
Gary’s rail gun features a round hole in the barrel block and a Delrin sleeve placed between block and barrel. The rail gun also has been modified to save weight for bench rotations. The lead photo (at top) is from an earlier match when Gary’s rail had a BAT action. Currently Gary is running a Marsh Saguaro action, shown in the photo below.
NOTE: Gary does not aim through two scopes at the same time, in binocular fashion. However, he does have a twin mount option so he can periodically check one scope against another, to ensure the scopes are holding point of aim. Gary tells us he normally just runs one scope. But at this match he wanted to ensure that his primary scope (the black Bausch & Lomb on left) was performing 100%. So he would cross-check it from time to time using the silver Weaver (on right). Gary notes that, unlike many rail gun shooters, he looks through his scope before each shot, and sometimes makes a very minor aiming correction using the rail controls. His scopes are boosted to very high power (55X), so even when the shots are falling in a tiny “bug-hole” cluster he can see if the last shot edged a bit left or right. He then adjusts aim accordingly.
Story and photos by Boyd Allen. We welcome reader submissions.
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Just how accurate can a modern 6 PPC benchrest rifle be? Would you believe five shots in 0.022″? That’s the size of the group shot by Rich Graham this past weekend in Visalia, CA. Rich was shooting his 6 PPC 10.5-lb LV bag gun in the Unlimited Class. Below is a photo of Rich with his target — yes there are five shots in that one hole (as confirmed by moving backers used in the match). This five-shot group could be a potential new NBRSA 100-yard record, if the 0.022″ measurement is confirmed. The current 5-100 NBRSA Unlimited record is 0.049″ shot by Gary Ocock in 2009. For reference, the 5-100 NBRSA Heavy Varmint Record is 0.027″ by Ralph Landon in 1975.
The Record-Setting Gun
Though Rich shot his small group in the Unlimited Class, his rifle is a typical 10.5-lb, short-range benchrest bag gun. Smithed by Gary Ocock, the rifle features a BAT action (we believe), Bruno Edge stock, Krieger Barrel, and March scope. The load was 27.8 grains of Hodgdon H322 with 65gr Flatbase bullets made on a Nielson die, in Lapua brass. We are told that Rich shot this potential world record with ammo pre-loaded before the match.
We think Rich’s target will definitely come in under the current 0.049″ Unlimited Class record. Using our On-Target plotting software, we measured Rich’s group at 0.029″. However, keep in mind that we were working from a photo, and the camera lens can distort dimensions a bit. Accordingly, the original 0.022″ measurement by the match scorers is probably more reliable, but this helps illustrate how small Rich’s group really is.
Photos courtesy DanL. Story tip by Boyd Allen.
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Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg was NOT submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
Check out those five targets. The Aggregate (average) of all five targets is a tiny 0.0840 inches! These were shot by Gary Ocock at 100 yards in a California benchrest match on August 6, 2017. Though Gary’s 0.0840 Agg beats existing records, this was not a “sanctioned” match, so Gary’s killer Agg will NOT be submitted for IBS or NBRSA records. So, sadly, the Agg won’t appear in the record books, but this remains a spectacular, verified feat of rifle accuracy, accomplished in competition.
