November 5th is the final day of the 2023 NRA F-Class National Championships at the Ben Avery shooting facility in Phoenix, Arizona. Along with America’s ace F-Open and F-TR shooters, there are many top foreign shooters at the Nationals, including Sebastian (“Seb”) Lambang, creator of the outstanding SEB Rests and SEB Joystick bipods. For this Fall 2023 event, Seb commissioned a handsome new, state-of-the-art F-Open rifle built by Blake Barrel and Rifle. Above is Seb’s F-Open rifle on the firing line this week at Ben Avery. For full results from the F-Class Nationals, click the link below:
Seb Lambang’s impressive new 7 FCP rig was crafted by Blake Barrel and Rifle using a 7mm, 1:8.5″-twist Blake barrel chambered in 7 FCP fitted to a Borden Accuracy BRMXD action. Mated to the Borden action is a Bix’N Andy Competition Benchrest trigger. On top is a March 10-60x56mm HM scope.
The handsome laminated wood XR stock is made by Cerus Rifleworks. The XR stock boasts a R.A.D. recoil reduction system in the rear, and a metal bag-rider system at the forward end of the stock. The rig employs an adjustable F-Class Products F-Open Barrel Tuner.
Seb Lambang is a talented shooter as well as a great craftsman. On the side of his March X scope it states: “Sebastian Lambang, QRA Queens 2022, F-Open Winner”.
Sebastian Lambang — Founder and Chief Designer of SEB Rests
When he is not competing, Seb works hard producing SEB Front Rests, SEB Neo-X Rests, SEB Mini-X tripod rests, and the class-leading SEB JoyPod-X joystick bipod, favored by F-TR shooters worldwide. Here are products at Seb’s warehouse, getting ready to be shipped out.
About the 7 FCP — New 7mm Cartridge Derived from 6.5 PRC
The 7 FCP was a cartridge designed from the ground up by F-Class Products out of Phoenix, Arizona in the fall of 2022. The developers believe it is the “ultimate cartridge” for the F-Class Open Division competition. F-Class Products notes: “We wanted a cartridge that [had] an efficient case capacity [matching] the 7mm Remington Short Action Ultra Magnum. The 7 RSAUM has proven to be the most winning cartridge in world F-Class competitions and many nationals and finale events. The problem with the RSAUM is brass availability. Remington stopped making brass for the RSAUM years ago and recently Norma has also stopped producing brass for it. The only option now is ADG. While the ADG brand of brass is good, it is quite expensive and also is only run in short runs and is hardly ever available.”
So the 7 FCP was developed from the 6.5 PRC, which has high-quality Lapua brass available. The 7 FCP was designed to shoot the 180 grain Berger Hybrid bullet at 2960 FPS out of a 30″ barrel without excessive pressure. SEE: 7 FCP Cartridge INFO FAQ Page.
7 FCP Cartridge — Wildcat Based on 6.5 PRC Necked up to 7mm
How Does the 7 FCP’s Case Capacity Compare?
F-Class Products states: “The parent case of the 7 FCP is a 6.5 PRC. The 6.5 PRC is a magnum case that has a head diameter of 0.532″ and has a overall length of 2.020″. It is the same overall length as the 7 RSAUM but with a smaller diameter body. Hence, without improving it, you will get not get the case capacity of a 7 RSAUM case, and therefore you will not get the velocities that the 7 RSAUM produces either.” F-Class Products has compared the capacity of cases commonly used in F-Open competition:
.284 Winchester = 63 grains of water capacity
.284 Shehane = 66.5 grains of water capacity
6.5 PRC = 65 grains of water capacity
7-6.5 PRC = 66.5 grains of water capacity
As you can see by the data above, the 6.5 PRC that is simply necked up to a 7mm does not provide more case capacity than the .284 Shehane. That is why the PRC has the shoulder moved forward.
What Powders Work Well in the 7mm FCP?
F-Class Products has tested many powders with the 7 FCP: “Any powders that work well in a .284 Win, a .284 variant or a 7 RSAUM and/or variant, can work well in the 7 FCP. We have tested many different powders and many show to work excellent. Here is a list of the powders we have tested that work well in our testing and in our customers’ testing:
Hodgdon H4350
Hodgdon H4831
Hodgdon H4831 SC
Alliant Reloder 16
Alliant Reloder 23
Vihtavuori N160
Vihtavuori N550
Vihtavuori N555
This is just a short list of what we believe are the core powders that will burn and work efficiently in the 7 FCP. There are plenty of other powders that also can work, yet they may be temperature sensitive and or not burn efficiently in the case.”
What Velocities Are Optimal?
F-Class products observes: “With the 180 grain Berger bullet we see accuracy from 2920-2980 FPS muzzle velocity. With the 190 grain Hornady A-Tip bullet we see accuracy from 2860-2900 FPS.”
What Twist Rates Do You Recommmend?
F-Class Products recommends a 1:8.5″-twist barrel. An 8-twist can work, yet the accuracy nodes may be narrower than the 8.5 twist. A 9-twist barrel can also work if you are shooting a 184 grain bullet or less. These twist rates are recommended for lead cored bullets. If you are planning on shooting a solid copper bullet, consult the bullet manufacture for recommended twist rates for that particular bullet.
What Is the Parent Case?
The parent case of the 7 FCP is a 6.5 PRC. The 6.5 PRC is a magnum case that has a head diameter of 0.532″ and has a overall length of 2.020″. It is the same overall length as the 7 RSAUM but with a smaller diameter body, hence without improving it, you will get not get the case capacity of a 7 RSAUM case, and therefore you will not get the velocities that the 7 RSAUM produces either.
NOTE: This is an older article, but with the SW Nationals taking place last week, we thought our readers might enjoy a repeat view of a very rare and unique F-Class rig. This hybrid wood and aluminum stock is a “one-of-kind” custom, crafted by Sebastian (“Seb”) Lambang, creator of the SEB Coaxial Rests and Coaxial Joystick Bipod.
Back in 2013, our friend Sebastian (“Seb”) Lambang engineered an impressive wood and aluminum F-Class stock. The stock features a long, box-section aluminum fore-end with a wood rear section and wood-trimmed “wings” on the front bag-rider. The aluminum fore-arm has “buick vents” for weight reduction. From the end of the action rearward, the stock is mostly wood, with light and dark fancy wood laminates on opposite sides (left and right).
The foot of the buttstock has a very wide aluminum rear bag-rider with rails. The rear wood section appears to be two solid pieces of wood — but that is deceiving. Seb explains: “To save weight, the buttstock is hollow (using thin-walled wood)”. To strengthen the construction, Seb added carbon fiber inside the buttstock. So what you see is a wood outer shell with carbon fiber layers on the inside. The stock sports vertically-adjustable cheek-piece and buttplate. The thick, rubber buttpad should diminish felt recoil even when shooting big cartridges with heavy bullets.
This is an interesting, innovative stock design. And as with everything Seb produces, the craftsmanship, fit and finish are superb.
To go with this gun, Seb also crafted a handsome set of angled scope rails with beautifully-machined scope rings. Imagine being able to custom-make one-off products of this quality in your own machine shop!
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F-TR and varmint shooters know about the outstanding JoyPod coaxial bipod created by Sebastian Lambang of SebRests.com. This popular design provides a stable, low-COG platform that allows instant aiming changes with a handy joystick. Over the years the JoyPod design has been refined, and now the enhanced Gen 2, 2021 JoyPod-X will soon be available. The 2021 JoyPod-X offers improved feet plus a new, rapid leg adjustment system that is a real break-through. For this new JoyPod-X, specific enhancements have been made to internal plates, the locking lever, and the more radiused top and feet. Plus now you have a choice of six anodized colors: blue, red, green, purple, black, and bronze.
Leg Height Adjustment System
on New 2021 JoyPod-X
Seb tells us: “Now height adjustment of the JoyPod-X can be much easier quicker and more precise. With a simple, adjustable brake and improved ratchet system. Thanks to Bob Bock for the design suggestions”.
Watch the video to see how this works. You can adjust each leg individually in seconds. You can do individual clicks up and down, with ratcheted steps. Or slide the entire leg unit rapidly up and down for gross elevation changes. So you have the choice of small, precise increments or big movements — whichever you want. This is very slick.
JoyPod-X Coming Soon in 6 Colors
The new 2021 JoyPod-X Should be ready sometime in mid- to late-May 2021, according to Sebastian Lambang. The JoyPod-X will be available in blue, red, green, purple, black, and bronze colors.
The head of the 2021 JoyPod-X has been radiused and refined. The design allows the JoyPod-X to fit a variety of fore-arm rails. To secure the JoyPod-X on your rifle, slide on the rail and then tension the clamping lever.
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We first ran this story a few seasons back. Since then we’ve received many questions about this gun, so we thought we’d give readers another chance to learn about this truly innovative, switch-barrel “convertible” rifle. This gun works for both short-range (100/200) and long-range (500-1000 yd) benchrest matches.
You interested in a truly innovative bench gun that can shoot both short-range and long-range matches? Check out Seb Lambang’s original “do-it-all” rifle. This switch-barrel rifle combined two very different chamberings: 6 PPC and .284 Winchester. With that caliber combo, Seb’s covered from 100 yards (LV/HV mode) all the way out to 1000 (LR Light Gun mode). But the dual chambering is not the rifle’s only trick feature. Exploiting the long-range benchrest rules on stock designs, Seb has fitted a 3″-wide, flat rear metal keel to the buttstock. That counter-balances his 30″-long 7mm barrel, improves tracking, and adds stability. Seb built the stock and smithing was done by Australian gunsmith David Kerr.
Detachable Hammerhead Wing Section Plus Fat-Bottom Keel
To further reduce torque and improve tracking, the stock features an 8″-wide, detachable fore-end fixture. This “hammerhead” fore-end section has extended “wings” on both sides, making the rifle super-stable. The hammerhead unit can be removed, leaving the stock 3″ wide for use in registered benchrest matches where 3″ is the maximum width. The photos below show Seb’s gun in .284 Win Long-Range (LR) Light Gun mode, complete with front wings and rear keel.
Yes This Rig Shoots … In Both Configurations, Long-Range and Short
Seb has already used his switch-caliber, switch-barrel rig successfully in competition. Seb tells us: “The gun shot and tracked real well either in 6 PPC LV/HV mode or in .284 Win LG mode. I love it! Back in 2015, with this gun I placed Top 10 for the Two-Gun at the Harry Madden Championship in Brisbane, Australia just a few days ago and took the silver medal for the 500m Flyshoot with the .284 Win on the next day. So who says a switch-barrel rifle can’t (or doesn’t) work?” And get this, Seb finished the stock just four days before the Brisbane match. He glued-in the action the evening before the match and shot it the next day in competition. Pretty impressive we’d say….
6 PPC and .284 Win Convertible Rifle Specifications
Action: Stolle Panda Short Action (glue-in plus front/rear alum. pillars), Right Bolt, Right Port, Right Eject, .473 bolt face.
LV/HV Weight: Rifle weighs 10.4 lbs in 6 PPC mode (no keel, no front wings).
LV/HV Barrel: Krieger 21.5″ OAL, 6mm (6 PPC, .270″ neck), 1:14″ twist.
Light Gun Weight: 15.5 lbs in .284 Mode with 3″ rear aluminum keel and 8″ fore-end attachment.
Light Gun Barrel: Maddco 30″ OAL, 7mm (.284 Win, .316″ neck), 1:9″ twist.
Metal: Home-made, one-piece scope base with +15 MOA scope rings.
Seb Lambang — Indonesian Innovator
Sebastian (“Seb”) Lambang is the designer/builder of the innovative SEB Coaxial rests, some of the best joystick rests on the market. The SEB Mini is a remarkable design — very compact but solid enough to win F-Class matches. And the SEB Neo Rest has become the go-to choice for short-range and long-range benchrest. The NEO folds flat for transport, yet offers extended vertical and horizontal travel and a rest top that can adjust from roughly 2″ wide to over 6″ in width. This Editor uses a SEB Neo for both bench and F-Class shooting and it is my favorite joystick rest. Here’s a video review of the SEB Mini, filmed at the Ben Avery Range in Phoenix:
Seb is actually in the USA right now, competing at the Berger Southwest Nationals (SWN). No he’s not shooting his radical Hammerhead at Ben Avery this year — he’s got a more conventional F-TR rig. He is shooting with the Int’l Pickup F-TR team coached by Dean Wheeler. In the 2/6/2020 Team Palma match, Seb finished with high score for his team, 438-9X.
ADDENDUM — Seb Succeeds at SWN in Sharpshooter Division:
Seb just posted this report from the Berger SW Nationals in Phoenix: “Proud to get first place in Sharpshooter Class in the Long Range Day 1 Aggregate. Super tough F-CLASS match against lots of the best shooters in the USA and some other countries. Thanks a bunch to my gunsmith Alex Wheeler who did a really great job, [providing a] super-smooth timed action. Thanks also to Tom Mousel who did a great job with the super-accurate ammo! Thanks to Will McCloskey for the best laminate wood rifle stock on the market. The rifle shoots GREAT. I really enjoy this match!”. Here is Seb on the firing line at Ben Avery. The rifle rests on the SEB Joy-Pod joystick bipod he created.
[NOTE: The NRA has multiple divisions: High Master, Master, Expert, Sharpshooter, and Marksman. The most elite level is High Master.]
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NOTE: This is an older article, but with the F-Class National Championships underway this week in Raton, NM, we thought our readers might enjoy this view of a very rare and unique F-Class rig. This hybrid wood and aluminum stock is a “one-of-kind” custom, crafted by Sebastian (“Seb”) Lambang, creator of the SEB Coaxial Rests and Coaxial Joystick Bipod.
Back in 2013, our friend Seb Lambang engineered an impressive wood and aluminum F-Class stock. The stock features a long, box-section aluminum fore-end with a wood rear section and wood-trimmed “wings” on the front bag-rider. The aluminum fore-arm has “buick vents” for weight reduction. From the end of the action rearward, the stock is mostly wood, with light and dark fancy wood laminates on opposite sides (left and right).
The foot of the buttstock has a very wide aluminum rear bag-rider with rails. The rear wood section appears to be two solid pieces of wood — but that is deceiving. Seb explains: “To save weight, the buttstock is hollow (using thin-walled wood)”. To strengthen the construction, Seb added carbon fiber inside the buttstock. So what you see is a wood outer shell with carbon fiber layers on the inside. The stock sports vertically-adjustable cheek-piece and buttplate. The thick, rubber buttpad should diminish felt recoil even when shooting big cartridges with heavy bullets.
This is an interesting, innovative stock design. And as with everything Seb produces, the craftsmanship, fit and finish are superb.
To go with this gun, Seb also crafted a handsome set of angled scope rails with beautifully-machined scope rings. Imagine being able to custom-make one-off products of this quality in your own machine shop!
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Do you shoot with a SEB joystick-equipped bipod, or are you considering acquiring a “Joy-Pod” for your F-TR rifle? Then you should read this article. Here Sebastian (“Seb”) Lambang, the inventor and builder of the SEB joystick bipod, offers tips on shooting with this impressive piece of engineering. Seb explains some techniques that can help with tracking and getting back on target. You can ask SEB questions about his Joy-Pod in this Shooter’s Forum Thread.
Joy-Pod Shooting Tipsby Seb Lambang
1. Be sure that the rear bag is settled before starting to shoot. Tap your stock into the bag. Then move your rifle back and forth, while checking your reticle. If it tracks straight, vertically perfect, and comes back to the original point of aim, it’s fine. If not, re-adjust.
2. If you use the Pod-Pad, be sure it is fully settled before starting to shoot. Tap the top where the feet rides on using your palm — you wan to create a flat top. To be sure the Pod-Pad does not move or slide, remove any gravel or pebbles under the pad — these can act as roller bearings.
3. Be sure your shooting mat is NOT springy or spongy. This is very important. Use a proper mat, or cut it if possible so your rear bag rests directly on the ground. Use a heavy rear bag. You can use a sand-filled doughnut (not a rigid spacer) to stabilize the bag on uneven ground. These doughnuts are relatively inexpensive and really work.
4. Be sure your whole body position is correct, so your shoulder is square. “Follow” the recoil with your shoulder, don’t push “against” it. Don’t move too much. Don’t make unimportant movements during your shooting string. Always be as consistent as you can in all things — how you hold the rifle, even how you breathe before taking the shot.
This young lady shooter is using a first generation Joy-Pod. The newer versions have flat, ski-like feet.
5. Be sure your rifle and rear bag are aligned. You want the slot between the ears of the bag perfectly aligned with your barrel. (You can use a yardstick or a piece of string to help with the alignment).
6. Use a heavy rear bag. The heavier and the more stable, the better.
7. It does not matter (from my own experience) whether you light-hold the joystick or leave the joystick in the air when you shoot (see Darrell Buell video — he shoots “hands off”). I believe the bullet already exits the muzzle before the joystick moves in your fingers. I lightly hold the joystick myself, just as I would hold a billiard stick.
Watch Darrell Buell shooting his .375 CheyTac equipped with a counter-balanced Joy-Pod. Note how the gun comes straight back, and how Darrell can release the joystick before breaking the shot.
SUMMARY — When It All Comes Together
If everything is set up right, and done correctly, your rifle will track beautifully straight and your reticle will come back or very close to the original point of aim, every time. If you have to change the Joy-Pod, rear bag, or your body position after a shot, there could still be something wrong with your set-up, alignment, or body position. When everything is right, you can also see your own score in the scope after every shot you make (after initial recoil). You also should not have to change the bipod’s setting, the height, the cant etc., at all. You only need to adjust for the current condition with the joystick, the joystick will do it all. That’s why we call our bipod the JOY-Pod.
SEB JOY-POD Joystick Bipod, and POD-PAD
Weighing in at just 18 ounces (510 grams), the Gen 2 Joy-Pod is unlike any other bipod on the market. Designed specifically for weight-restricted shooting classes, the Joy-Pod offers smooth and precise joystick-controlled aiming. The Gen 2 model offers up to 14 degrees of cant and an improved design that functions with up to 50 pounds of rifle weight. Each Joy-Pod comes with a Weaver rail adapter. The optional Pod-Pad accessory is designed expressly for the Joy-Pod. It works filled or unfilled with the Joy-Pod’s sleds to bring you back to your shooting position easily. CLICK HERE for more information, or visit SebRests.com.
.308 Win Tactical Rifle fitted with Joy-Pod on Pod-Pad. CLICK HERE for Video.
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At the 2015 F-Class National Championships, nearly three-quarters of the F-Open shooters were using SEB coaxial front rests. And the man who makes them, Sebastian Lambang, was on the firing line too. Seb shot very well, finishing in second position in the F-TR division for the Saturday (Oct. 31) session. For those shooting F-Open or benchrest matches, Seb’s joystick rests really do represent the current state-of-the-art in front rest design. Courtesy of Seb, here are some photos that illustrate the “inner workings” of the SEB NEO Front Rest.
If you’ve ever wondered how a joystick front rest works, and how the parts go together, study the photos below. In addition, for those who use a NEO rest in competition, Benchrest Champion Mike Ratigan offers some PRO USER Tips that will help you get the best results from your NEO.
Unique Features of the SEB NEO Front Rest:
Lots of Travel — 43 MOA Vertical and 48 MOA Horizontal via joystick alone. The NEO offers more joystick travel than any other coaxial rest.
Variable Joystick Movement — The NEO is the only rest that can be configured for reverse action mode. That means you can optionally set it to lower the rifle with an up movement of the joystick if you prefer. (Standard setting raises rifle with up joystick movement.)
Rack & Pinion Risers — The NEO has dual support columns with Rack & Pinion system, offering a very broad vertical adjustment range.
Optional Counter-Weights — The NEO comes standard with a spring-loaded top mechanism to help hold up the rifle. Optional counter-weights allow you to reduce spring “pre-load”. Many people feel the counter-weights also allow a smoother, less jerky movement.
Reversible Base — The NEO’s base can be set-up with either the long leg in the rear or the long leg in the front. Putting the long leg in front gives more room under the rifle.
NEO Packs Flat — The SEB NEO is easily dismantled for transport, and can pack nearly flat. This is a big advantage when traveling.
Counter-weight Function and Calibration: “With the Seb NEO, equipped with the optional static counter-weight, the shooter can calibrate the counter weight to the rifle weight. The counter-weight is used to hold up the rifle. Clamping pressure of the sliding plates is NOT used to hold up the rifle like other coaxial rests on the market today. Other coaxial rests apply enough clamping force to the rest top mechanism sliding plates to resist the downward movement of the top when the rifle weight sets on the rest. This one feature of the Seb NEO almost completely eliminates bullets falling out of the bottom of your groups because the rest moved (or falls) down when you fired the rifle. This function is very important.”
On Hand Position: “I try to keep the palm of my hand grounded to the bench at all times. To do this at the closer distances, the handle will be laying flat (bend to the side) while shooting on the bottom of the target. To move to the top up (for right-handed shooters) I rotate the handle counter clockwise, which [raises the top] while maintaining my palm grounded to the bench.”
On Front Bag Fill: “Give some coarse sand blasting sand a try with the small stuff screened out. This will help reduce compaction from daily use.”
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We first ran this story a couple seasons back. Since they we’ve received many questions about this gun, so we thought we’d give readers another chance to learn about this truly innovative, switch-barrel “convertible” rifle. This gun works for both short-range and long-range benchrest matches.
You interested in a really wild, innovative bench gun that can shoot both short-range and long-range matches? Check out Seb Lambang’s latest “do-it-all” rifle. It’s a switch-barrel rifle combining two very different chamberings: 6 PPC and .284 Winchester. With that caliber combo, Seb’s covered from 100 yards (LV/HV mode) all the way out to 1000 (LR Light Gun mode). But the dual chambering is not the rifle’s only trick feature. Exploiting the new long-range benchrest rules, Seb has fitted a 3″-wide, flat rear metal keel to the buttstock. That counter-balances his 30″-long 7mm barrel, improves tracking, and adds stability. Seb built the stock and smithing was done by Australian gunsmith David Kerr.
Detachable Hammerhead Wing Section Plus Fat-Bottom Keel
To further reduce torque and improve tracking, the stock features an 8″-wide, detachable fore-end fixture. This “hammerhead” fore-end section has extended “wings” on both sides, making the rifle super-stable. The hammerhead unit can be removed, leaving the stock 3″ wide for use in registered benchrest matches where 3″ is the maximum width. The photos below show Seb’s gun in .284 Win Long-Range (LR) Light Gun mode.
We first featured this amazing stock last year. We felt this creation was such a stunning piece of work that it deserved a second look. If you missed this masterpiece the first time around, feast your eyes…
Sebastian (“Seb”) Lambang, creator of the SEB Coaxial Rests and the Coaxial Joystick Bipod, has engineered an impressive new wood and aluminum F-Class stock. The stock features a long, box-section aluminum fore-end with a wood rear section and wood-trimmed “wings” on the front bag-rider. The aluminum fore-arm has “buick vents” for weight reduction. From the end of the action rearward, the stock is mostly wood, with light and dark fancy wood laminates on opposite sides (left and right).
The foot of the buttstock has a very wide aluminum rear bag-rider with rails. The rear wood section appears to be two solid pieces of wood — but that is deceiving. Seb explains: “To save weight, the buttstock is hollow (using thin-walled wood)”. To strengthen the construction, Seb added carbon fiber inside the buttstock. So what you see is a wood outer shell with carbon fiber layers on the inside. The stock sports vertically-adjustable cheek-piece and buttplate. The thick, rubber buttpad should diminish felt recoil even when shooting big cartridges with heavy bullets.
This is an interesting, innovative stock design. And as with everything Seb produces, the craftsmanship, fit and finish are superb. We may get a chance to see how well this new stock shoots at the F-Class World Championships later this month in Raton, New Mexico.
Seb also crafted a handsome set of angled scope rails with beautifully-machined scope rings. Imagine being able to custom-make one-off products of this quality in your own machine shop!
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Forum member Ed L. (aka itchyTF) owns one of the beautifully-crafted SEB NEO front joystick rests. These units are in short supply — creator Seb Lambang can’t keep up with demand. Anyone lucky enough to own a SEB NEO would naturally would want to keep it in perfect condition, and Ed is no exception. Ed put together a system to cradle and protect his SEB NEO during transport and storage. Ed tells us: “I decided to give my NEO its own home. I only wanted to remove the leg before storage so I decided on an empty Pelican Storm IM2450 case and added my own foam. This IM2450 case is a little wider than it needs to be, but I couldn’t find anything closer and still fit the other dimensions. The blue and white foam is more rigid than the typical gray foam. The Allen wrenches are placed in the rear piece of white foam.”
Ed found the Pelican Storm IM2450 case on the internet for $103 with free shipping. This same case is sold as the Hardigg IM2450 Storm Case. All-up weight, with the SEB NEO rest in the case, is 32 pounds. CLICK Thumbnails below to view larger images.
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You interested in a really wild, innovative bench gun that can shoot both short-range and long-range matches? Check out Seb Lambang’s latest “do-it-all” rifle. It’s a switch-barrel rifle combining two very different chamberings: 6 PPC and .284 Winchester. With that caliber combo, Seb’s covered from 100 yards (LV/HV mode) all the way out to 1000 (LR Light Gun mode). But the dual chambering is not the rifle’s only trick feature. Exploiting the new long-range benchrest rules, Seb has fitted a 3″-wide, flat rear metal keel to the buttstock. That counter-balances his 30″-long 7mm barrel, improves tracking, and adds stability. Seb built the stock and smithing was done by Australian gunsmith David Kerr.
Detachable Hammerhead Wing Section Plus Fat-Bottom Keel
To further reduce torque and improve tracking, the stock features an 8″-wide, detachable fore-end fixture. This “hammerhead” fore-end section has extended “wings” on both sides, making the rifle super-stable. The hammerhead unit can be removed, leaving the stock 3″ wide for use in registered benchrest matches where 3″ is the maximum width. The photos below show Seb’s gun in .284 Win Long-Range (LR) Light Gun mode.
Yes This Rig Shoots … In Both Configurations, Long-Range and Short
Seb has already used his switch-caliber, switch-barrel rig successfully in competition. Seb tells us: “The gun shot and tracked real well either in 6 PPC LV/HV mode or in .284 Win LG mode. I love it! With this gun I placed Top 10 for the Two-Gun at the Harry Madden Championship in Brisbane, Australia just a few days ago and took the silver medal for the 500m Flyshoot with the .284 Win on the next day. So who says a switch-barrel rifle can’t (or doesn’t) work?” And get this, Seb finished the stock just four days before the Brisbane match. He glued-in the action the evening before the match and shot it the next day in competition. Pretty impressive we’d say….
6 PPC and .284 Win Convertible Rifle Specifications
Action: Stolle Panda Short Action (glue-in plus front/rear alum. pillars), Right Bolt, Right Port, Right Eject, .473 bolt face.
LV/HV Weight: Rifle weighs 10.4 lbs in 6 PPC mode (no keel, no front wings).
LV/HV Barrel: Krieger 21.5″ OAL, 6mm (6 PPC, .270″ neck), 1:14″ twist.
Light Gun Weight: 15.5 lbs in .284 Mode with 3″ rear aluminum keel and 8″ fore-end attachment.
Light Gun Barrel: Maddco 30″ OAL, 7mm (.284 Win, .316″ neck), 1:9″ twist.
Metal: Home-made, one-piece scope base with +15 MOA scope rings.
Seb Lambang — Indonesian Innovator If you don’t know already, Seb Lambang is the designer/builder of the innovative SEB Coaxial rests. These are some of the best joystick rests on the market. The latest version, the SEB Neo Rest, is a brilliant design that folds flat for transport, yet offers extended vertical and horizontal travel and a rest top that can adjust from roughly 2″ wide to over 6″ in width. This Editor uses a SEB Neo for both bench and F-Class shooting and it is my favorite joystick rest. Rest in photos is a SEB Neo MAX.
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Seb’s Swallowtail Stock
A while back, Sebastian Lambang, creator of the Seb Coaxial Rest, created a radical “swallowtail” short-range benchrest stock. This innovative prototype has two wings on the underside of the rear buttstock. We think Seb has come up with a design that is not only an engineering tour de force, but also a stunning example of modern industrial design. In short, it’s a beautiful piece of work.
No, You Can’t Buy One
This stock is a one-of-a-kind unit created by Seb for his own use. At this time he has no plans to build similar versions for sale. Seb told us: “I made the stock for my own purpose, not to intend to sell it.”
The new stock features a 3″-wide rear toe section of the buttstock. The two legs or wings provide exceptional stability for the stock. This “swallowtail” design has a hollow section in the middle. We initially thought this was designed to work with a pyramid-type rear sandbag with a single rear ear. That’s not the case. The stock is intended to work with a two-ear rear bag, with the ears set 3″ apart (see top photo). The area between the rear “wings” was left hollow to save weight. Addtionally, the hollow region allows Seb to place extra weight in this area to balance the gun, or to bring it up to 13.5 lbs. for Heavy Varmint class.
The front of the stock, just forward of the action, features a truss-like architecture that provides extra rigidity in the vertical plane. This allows the front section to be of minimal height, yet still be plenty stiff. Oval cut-outs in the sides of the fore-end lighten the stock structure and also provide improved air circulation for barrel cooling.
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How Does the 7 FCP’s Case Capacity Compare?
Forum member Ed L. (aka itchyTF) owns one of the beautifully-crafted SEB NEO front joystick rests. These units are in short supply — creator Seb Lambang can’t keep up with demand. Anyone lucky enough to own a SEB NEO would naturally would want to keep it in perfect condition, and Ed is no exception. Ed put together a system to cradle and protect his SEB NEO during transport and storage. Ed tells us: “I decided to give my NEO its own home. I only wanted to remove the leg before storage so I decided on an empty Pelican Storm IM2450 case and added my own foam. This IM2450 case is a little wider than it needs to be, but I couldn’t find anything closer and still fit the other dimensions. The blue and white foam is more rigid than the typical gray foam. The Allen wrenches are placed in the rear piece of white foam.”
Seb’s Swallowtail Stock
The new stock features a 3″-wide rear toe section of the buttstock. The two legs or wings provide exceptional stability for the stock. This “swallowtail” design has a hollow section in the middle. We initially thought this was designed to work with a pyramid-type rear sandbag with a single rear ear. That’s not the case. The stock is intended to work with a two-ear rear bag, with the ears set 3″ apart (see top photo). The area between the rear “wings” was left hollow to save weight. Addtionally, the hollow region allows Seb to place extra weight in this area to balance the gun, or to bring it up to 13.5 lbs. for Heavy Varmint class.
