With barrels, one always wonders “Can a little more length provide a meaningful velocity gain?” To help answer that question, Rifleshooter.com performed an interesting test, cutting the barrel of a .223 Rem rifle from 26″ all the way down to 16.5″. The cuts were made in one-inch intervals with a rotary saw. At each cut length, velocity was measured with a Magnetospeed chronograph. To make the test even more interesting, four different types of .223 Rem/5.56 ammo were chron’d at each barrel length.
Test Barrel Lost 25.34 FPS Per Inch (.223 Rem Chambering)
How much velocity do you think was lost, on average, for each 1″ reduction in barrel length? The answer may surprise you. The average speed loss of the four types of .223/5.56 ammo, with a 9.5″ shortening of barrel length, was 240.75 fps total (from start to finish). That works out to an average loss of 25.34 fps per inch. (See inch-by-inch data HERE.)
5.56/.223 Barrel Cut-Down Speed Test 26″ to 16.5″
Start FPS at 26″
End FPS at 16.5″
Total Loss
Average Loss Per Inch
UMC .223 55gr
3182*
2968
214
22.5 FPS
Federal M193 55gr
3431
3187
244
25.7 FPS
Win m855 62gr
3280
2992
288
30.3 FPS
Blk Hills .223 68gr
2849
2632
217
22.8 FPS
*There may have been an error. The 25″ velocity was higher at 3221 fps.
Rifleshooter.com observed: “Cutting the barrel from 26″ to 16.5″ resulted in a velocity reduction of 214 ft/sec with the UMC 223 55-grain cartridge, 244 ft/sec with the Federal M-193 cartridge, 288 ft/sec with the Winchester M855 cartridge and 217 ft/sec with the Back Hills 223 68-grain match cartridge.”
How the Test Was Done
The testers described their procedure as follows: “Ballistic data was gathered using a Magnetospeed barrel-mounted ballistic chronograph. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. Average velocity and standard deviation were logged for each round. Once data was gathered for each cartridge at a given barrel length, the rifle was cleared and the bolt was removed. The barrel was cut off using a cold saw. The test protocol was repeated for the next length. Temperature was 45.7° F.”
Much Different Results with 6mmBR and a Longer Barrel
The results from Rifleshooter.com’s .223/5.56 test are quite different than the results we recorded some years ago with a barrel chambered for the 6mmBR cartridge. When we cut our 6mmBR barrel down from 33″ to 28″ we only lost about 8 FPS per inch. Obviously this is a different cartridge type, but also our 6mmBR barrel end length was longer than Rifleshooter.com’s .223 Rem start length. Velocity loss may be more extreme with shorter barrel lengths.
Californians may be relegated to shooting revolvers soon. On February 27, 2015, a Federal Judge in California over-ruled objections to a California state law requiring that all new semi-auto handguns have microstamping capability. In granting summary judgment to the State, Eastern District Judge Kimberly Mueller halted legal efforts to over-turn microstamping requirements for semi-auto pistols. Unless this District Court ruling is overturned on appeal, this Federal Court decision would effectively ban the sale or possession of most (if not all) new semi-auto handguns in the state.
Editor’s Comment: There is some hope however — the Calguns Foundations said counsel has already appealed the recent ruling to the Ninth Circuit Court of Appeals.
The ruling was issued in Peña v. Lindley, a Federal case that pitted California resident Ivan Peña and three other individual plaintiffs against Stephen Lindley, the chief of the California Department of Justice’s Bureau of Firearms.
At issue was California’s microstamping law, which was signed into law in 2007 by then-Gov. Arnold Schwarzenegger, but which only took effect in 2013. In the two years since the micro-stamping requirement went into effect, no manufacturer has made a new firearm that complies with the requirement. Both Smith & Wesson and Sturm, Ruger & Co., are not shipping their latest (post-2013 design) firearms into the California market because of the microstamping law. Opponents of the law argued that the microstamping requirment was, effectively, a de facto ban on all semi-auto pistols, since not one manufacturer has offered guns that comply with the law.
“This is about the state trying to eliminate the handgun market,” said Alan Gura, the lead attorney in Peña v. Lindley told Fox News last week. “The evidence submitted by the manufacturers shows this is science fiction and there is not a practical way to implement the law.”
The Peña v. Lindley case was argued at the trial court on December 17, 2013. Peña, gun manufacturers, and attorneys for the Second Amendment Foundation and Calguns Foundation argued that microstamping relies on impractical and unworkable technology. The plaintiffs argued that, if guns without the technology can’t be sold in California, and gun manufacturers can’t implement the technology, then the law functions as a de facto handgun ban that violates the Second Amendment.
The Calguns Foundation stated that the group is “disappointed that the district court sidestepped a clear violation of Second Amendment civil rights in its decision today. However, we are absolutely committed to litigating this case as far as necessary to reverse this incorrect ruling and restore the right to keep and bear modern handguns in the Golden State.”
Forum member Roy Bertalotto did a real nice off-set scope installation on a bolt gun to help a sight-challenged shooter. Roy explains: “A friend of mine shoots left-handed and has lost the sight in his left eye. I built him a scope mount so he can still shoot left-handed, but now use his right eye.” Roy’s fabrication work is impressive and we praise his efforts to help a fellow shooter stay in the game.
Roy bolted a plate to the existing scope rail on the top centerline of the Rem 700 action. This plate extends a few inches to the right. On the outboard end of the plate, Roy fitted a second scope rail, aligned with the bore. Weaver-based rings are then clamped to the outboard (right side) auxiliary rail.
Be Careful of Canting Issues with Offset Scope Installations
We’re pleased to see that Roy developed a solution for a shooter with an optical disability, but we want to stress that this is a specialized installation that can create some problems with point of impact shift if the gun is not maintained perfectly level. With the amount of horizontal offset (between the scope’s optical axis and the bore axis) built into this rig, if the rifle is canted, point of impact can shift rather dramatically. For a southpaw who is willing to adapt his/her shooting style, it may be better, in the long run, to learn to shoot right-handed if his/her right eye is the only good eye. Likewise, if a right-handed shooter can only see well through his left eye, he may benefit from learning how to hold the stock and work the trigger with his left hand. The shooter could still work the bolt with his non-trigger hand. Changing from right-hand to left-hand shooting (or vice-versa) may require a stock swap if the stock is not ambidextrous.
Shooting can be a frustrating sport at times, prompting shooters to say some funny things in the heat of the moment. Here’s a collection of humorous range riposts, supplied by Shooters’ Forum members (who are listed after each quote). Enjoy. (CLICK HERE for full Forum Funny Saying Thread).
“I paid to use all of the target and I’m getting value for money on all of the real estate!” (Macropod)
“How did I do?” “Well the gun went off and nobody got hurt, we can build on that….” (Mr. Majestic)
“Treat that trigger likes it’s your first date, not like you’ve been married to it for 20 years.” (Jet)
“It’s a good thing broad sides of barns aren’t at many shooting ranges.” (Rocky F.)
“At 65 years of age, 1000-yard benchrest is better than sex, because a relay lasts 10 minutes!” (The Viper)
“If you flip the safety off, velocity will increase 1000%” (Rope2Horns)
“If you chase the wind, it will always win.” (Boltline13)
“It’s not the arrow, it’s the Indian.” (Rocky F.)
“It was an 0.2″ group! Well, err, except for that flyer….” (Dsandfort, photo by RyanJay11)
“I can’t understand it. That load worked good in my other barrel”. (Hogpatrol)
“You bakin a biscuit?” Said to me as I was sitting at the bench ready to shoot with a cartridge in the chamber of a hot gun, taking longer than necessary. (Ebb)
“Shooting groups is easy. Just put the last three between the first two.” (Uthink)
“There is no Alibi for Stupid” (Seen at Berger SWN — Erik Cortina)
“I just shot two Xs, how can that be an 8!!!???” (Snuggie)
Shooter 1: “Hey you cross-fired on my target!” Shooter 2: “Well you cross-fired on mine first.”
Shooter 1: “Yeah but you could have at least shot an X like I did on yours.” (At Raton — Rocky F.)
“I had a bughole going and my second shot dropped straight down!” (JDMock)
“The nut came loose on the end of my stock.” (TXDan)
Quoting James Crofts: “That’s a pretty eight.” (REastman)
Ever wonders what the bar code (and all those numbers) mean on the side of a box of Sierra bullets? Well here’s the answer, thanks to something we uncovered in the archives of the Sierra Bullets Blog.
How to Decipher Sierra Bullets Barcodes
The Lot Number (indicated in green below) identifies a specific batch of bullets. The lot number remains the same for bullets made at the same time from the same material.
The Packaging Code (indicated in blue below) is an internal number representing the number assigned to the persons who inspected and packed the box of bullets.
The Serial Number (indicated in yellow below) is a computer generated number sequentially added to each box of bullets made.
Brian “Gunny” Zins, 12-Time NRA National Pistol Champion, has authored an excellent guide to bullseye pistol shooting. Brian’s Clinic on the Fundamentals recently appeared in The Official Journal of the New York State Rifle & Pistol Association. The CMP scanned the story so you can read it online. CLICK HERE to read full article.
Top Tips from Brian Zins:
Trigger Movement: If trigger control is ever interrupted in slow fire the shot needs to be abored and the shot started over.
Relationship between Sight Alignment and Trigger Control: Often when the fundamentals are explained these two are explained as two different acts. Well, truth be told it’s really kind of hard to accomplish one without the other. They have a symbiotic relationship. In order to truly settle the movement in the dot or sights you need a smooth, steady trigger squeeze.
Trigger Finger Placement: Where should the trigger make contact on the finger? The trigger should be centered in the first crease of the trigger finger. Remember this is an article on Bullseye shooting. If this were an article on free pistol or air pistol it would be different.
Proper Grip: A proper grip is a grip that will NATURALLY align the gun’s sights to the eye of the shooter without having to tilt your head or move your or move your wrists around to do that. Also a proper grip, and most importantly, is a grip that allows the gun to return to the same position [with sights aligned] after each and every shot. The best and easiest way to get the proper grip, at least a good starting postion… is with a holster. Put your 1911 in a holster on the side of your body[.] Allow your shooting hand to come down naturally to the gun.
In recent years, Brian “Gunny” Zins has been shooting 1911s crafted by Cabot Guns.
Brian “Gunny” Zins currently holds 25 National Records.
Below is the top half of a Walmart ad intended to sell hunting rifles and accessories. We’re pleased that Walmart still stocks guns, ammo, and gear on its shelves. But look carefully at the fellow in the tree-stand. He’s got some nice camo clothing, but a few items are missing that might help this hunter in his quest to take home a buck. Apparently Walmart’s ad-makers aren’t too experienced with shooting.
Starline Brass offers a series of videos with helpful reloading tips. Focused primarily on pistol cartridges, these short videos can help anyone get started with metallic cartridge reloading. If you load pistol rounds on a progressive, this video series is particularly helpful. The on-camera host is Hunter Pilant, son of Carroll Pilant of Sierra Bullets.
Preventing Double Charges
Tip: Use a bulky powder that fills your case more than half way with a correct charge. This will overfill the case if it is double-charged, making it very difficult to seat a bullet.
Tumble New Brass Before Loading the First Time
Tip: Tumble new pistol cartridge brass in used media for 30 minutes before loading for the first time. This will add enough graphite (carbon residue) to smooth case entry into dies. You can also lube the case mouths with graphite, or use spray lube.
Powder Through Expander — How to Eliminate Hang-ups
Tip: When loading pistol brass with a progressive press, sometime the powder-through expander is hard to remove, especially with short cases. There are two fixes — first, try deburring the inside of the case mouth on your cases. Second, the radius of the powder through expander plug can be modified to smooth entry and exit (see photo). Starline will do this modification for free.
This is a message to my friends in the shooting community: be careful with your skin. I wasn’t careful enough and now I have skin cancers. When the Doctor says the “C” word, trust me, it’s a scary thing. That’s me in the photo below. The reason I have band-aids on my cheek and my chest is that I was just diagnosed with multiple basal cell carcinomas (the band-aids cover biopsy sites). These basal cell cancers can (and will) be surgically treated, but any skin cancer is worrisome. The worst kind of skin cancers, melanomas, can be fatal if not detected very early.
An Ounce of Prevention — How to Protect Your Skin
Fellow shooters, my message to you is: Protect your skin… and see a dermatologist regularly. If you are over 40 and have spent a lot of time outdoors, I suggest you see a skin doctor every year.
As gun guys (and gals) we spend a lot of time outdoors, much of it in bright sunlight. When working and playing outdoors, you should always try to minimize the risk of skin damage and possible skin cancers. Here are some practical tips:
1. Wear effective sunscreen. Get the kind that still works even if you sweat.
2. Wear a wide-brimmed hat and quality sunglasses with side protection.
3. Protect your arms and neck. It’s smart to wear long-sleeve shirts with high collars. There are “breathable” fabrics that still offer good sun protection.
4. Stay in the shade when you can. Direct sunlight is more damaging to your skin.
5. When testing loads or practicing you can make your own shade with an umbrella fixed to a tripod or scope stand. This has the added benefit of keeping you (and your ammo) cool.
6. Do a “field survey” of your skin every few weeks. Have your spouse or “significant other” inspect your back and the backside of your legs.
What to Look For — How to Spot Possible Skin Cancers
Here is an illustration that shows various types of skin cancers. But understand that an early basal cell carcinoma can be much, more subtle — it may just look like a small, pale pink spot. Also, if you have a scab that flakes off and re-appears, that might be a cancer. In the case of the basal cell on my face, I initially thought it was just a shaving abrasion. The skin was just slightly pinkish, with a little scab that would form and come back. But after a couple months, it never got any better. That’s what prompted me to see the doctor. And I’m glad I did….
Sebastian (“Seb”) Lambang has been working overtime at his SEB COAX production facility in Indonesia. That’s good news for benchrest and F-Class shooters. Seb is finishing up a large shipment of coaxial front rests for customers around the globe. Dozens of new NEOs (is that an oxymoron?) have been completed and are ready to be sent to customers. Seb tells us: “We are progressing. Here are some NEOs ready to be packed and shipped”.
Click image to see full-screen photo:
CNC Machines Speed Production
After acquiring new CNC machines, Seb has been able to increase production in response to high demand: “Though they are only 3-Axis, my new CNC equipment sure helps to make the components.” However, even with the new CNC units, Seb says: “I think I will need more space, employees, and more equipment in the near future.” Whatever it takes Seb, keep those NEOs coming.
The ruling was issued in 
The Peña v. Lindley case was argued at the trial court on December 17, 2013. Peña, gun manufacturers, and attorneys for the Second Amendment Foundation and Calguns Foundation argued that microstamping relies on impractical and unworkable technology. The plaintiffs argued that, if guns without the technology can’t be sold in California, and gun manufacturers can’t implement the technology, then the law functions as a de facto handgun ban that violates the Second Amendment.
Forum member Roy Bertalotto did a real nice off-set scope installation on a bolt gun to help a sight-challenged shooter. Roy explains: “A friend of mine shoots left-handed and has lost the sight in his left eye. I built him a scope mount so he can still shoot left-handed, but now use his right eye.” Roy’s fabrication work is impressive and we praise his efforts to help a fellow shooter stay in the game.
Brian “Gunny” Zins, 12-Time NRA National Pistol Champion, has authored an excellent guide to bullseye pistol shooting. Brian’s 
