Also, while the BCM barrel has produced good groups for me, you should note that I used match quality ammunition to do it. barrel length vs. accuracy (without environmental effects) no direct correlation a lot of variables of internal ballistics come into play. I get it, no chasing super light rifles here either, just one for the fun of it, otherwise just looking to make things function well and put rounds down range. When I ordered the complete upper from BCM in May of 2014, I honestly didnt know what to expect. Its also a 9lb beast! Given a good quality of ammo, I would expect about 1 to 1.5 MOA out of the barrel. Other selections are available for upper, bolt and carrier, charging handle, handguards, flash hiders, and gas blocks. You have reached the maximum order quantity for this product. Our Price: $99.00. If you get a email notification and you check back again with our website to see that the product has already again sold out, please click the link again and add your email to the notification list. Instead ofRead more . The last line of that quote highlights something interesting. From the popular 16 AR barrels to all other lengths and styles, Ballistic Advantage barrels enhance any quality AR-15 build. In fact, I think that perception was starting to change for a while, as I kept seeing more and more 20 build threads in the message boards. In this review, Im going to wax poetic about the 20 barrel just as much as Im going to go over BCMs product itself. It comes down to your needs, really. Its my go-to for taking new shooters to the range, since it just comes across as less intimidating than my otherRead more , A can makes a difference, thats for sure. It was developed to add heat resistance and make the barrel more durable. This was noted by most all the Operational Test participants, especially when they fired the standing/off-hand leg of our rifle qualification course. It was taking place just a few months later in March. The "government" profile is retardedI'm sure there was some weird philosophy behind it somewhere, but it still makes no sense at all. This review has been a long time coming. M193 ammunition is not match ammo, and you shouldnt expect better than 2.5-4 MOA with it. In testing using the bayonet lug as a fulcrum, and applying calibrated mechanical pressure to the muzzle, the new barrel was about 9 times more resistant to bend and take a set than an M16A1 profile. The new technical data package was already written and put into effect. You can buy a 20 barrel with the front sight already drilled and pinned to it. In his free time, Sam enjoys camping, hunting and spending time at the gun range as often as possible. But the government was already too far down the road. As a result, the factory machined M4 feed ramps on the receiver are hard coat anodized which adds significant strength to the aluminum. If you wanted a heavier barrel than a pencil, but not quite an A2/M4, this is the one to get. The benefit is a bit more weight up front, which ostensibly helps fight muzzle rise, but also leads to the main drawback of a front-heavy rifle. 20" length Government Profile Barrel 5.56 NATO chamber also works with .223 Rem Rifle length gas system.750" gas block journal 1:9 RH twist 4150 Chrome Moly Vanadium Steel Parkerized finish M4 extension Threaded Muzzle 1/2"x28 TPI THANKS FOR LOOKING! There are some sporting applications where contour matters, such as for precision shooting. As expected, it was cleanly assembled with no tooling marks or anything of the sort. 55 grain shooters. Ill get to that in a bit. Everything on the internet told me that such a dinosaur would be unwieldy, heavy, and just a bad shooting experience. 20" Government Profile Barrel - Del ton Rating: 100%. Thats the nature of the government profile. They later realized that there was actually copper or lead build up on the edge of the gas port inside the barrel that was causing the inaccuracies. For the rail, the Daniel Defense Omega 12 is indeed a drop in free float. Thats not to say it doesnt have its benefits, though. Outside of a few specialized roles in the shooting sports and in the military, what the barrel contour affects is how the gun handles and where it balances. Of note: Took my youngest out to dial in and shoot his PA 1-6 ACSS optic last week and his first comment after putting 120 rounds of 62 grain M855 and 69 grain SMK down range was how impressive the lack of heavy recoil experienced out of his 20 inch BCM upper. Dumb question probably but can you just slap a 20 inch upper on a carbine lower (i.e. under the handguards. My pleasure, John. He's a lifelong learner, passionate outdoorsman, and steadfast supporter of firearms culture. 20'' Government Profile Custom Upper. . It has a Triangular end cap, and those types of handguards or rails are extremely difficult to find these days. Youre also far from the first person who has said that a 20 rifle IS a carbine in relative terms. He was later the VP for Military Operations at Knights Armament Company. $500.00 Save $20.01. When you check either Colts or FNs specs on the Govt. The Ballistic Advantage 556 Modern Series 20 Government Barrel is machined from 4150 Chrome Moly Vanadium (CMV) steel with a QPQ Nitride corrosion-resistant finish. I dont actually do a whole lot of bench shooting. - Buy AR15 Barrel, 20" BB M16 5.56 RIFLE online The barrels are MP inspected with both circular and longitudinal magnetic fields per ASTME1444-01 (current Mil-Spec) to assure a high quality finished product. Del-Ton Pre-Ban Government Profile Rifle Kit - OpticsPlanet Sam Hoober is Contributing Editor for Alien Gear Holsters, where he writes about gun accessories, gun safety, open and concealed carry tips. I too would like to see the standard lightweight profile become the most popular again. This barrel diameter starts at .675 by the chamber and then tapers down to .625 under the handguard. So what is an affiliate link? Please view details for more information. Ah shucks, Im glad to have inspired you. I didnt realize youd been following that long. It is my favorite of theRead more . Upper assembly comes completely head spaced and test fired. But those ounces are all on the front of the rifle, so it slows down the handling a bit in favor of stable marksmanship. If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Only later did the team realize the actual cause of the drop gauge failure was something entirely different. Ballistic Advantage 14.5" 5.56 Government Profile Mid-Length Barrel, Modern Series MSRP: $160.00 SALE PRICE: $152.00 IN STOCK Add to Cart Ballistic Advantage 20" .223 Wylde DMR Stainless Rifle Length Barrel, Premium Series - Fluted MSRP: $300.00 SALE PRICE: $285.00 IN STOCK Add to Cart That is especially true if drilling and pinning of a gas block/FSB is involved. AR 15 Barrels For Sale | Primary Arms Ive been looking at those myself. The M14 had I think a 22 barrel and the M1 of course was 24. Reliable and durable. But I also know its not the most practical. : Some of the products on this website can expose you to chemicals including lead, which is known by the State of California to cause cancer and birth defects or other reproductive harm. Thats a bonus to marksmanship competitors, or anyone shooting for accuracy, but is less relevant to combat conditions. I would write for the site and produce content for free if it was practical, but domains, webspace, and other online services cost money. The 20, in comparison, seems like a dinosaur from the early days of the AR-15 and M16. Mil-Spec F-Marked Forged Front Sight Bases. Granted few including GIs in a fire fight are running through mags on full auto, the whole reason for 3 burst fire. 20" 1:7 or 1:8 twist chrome lined government profile barrel with Ballistic Advantage 5.56 20" Barrel - Government Profile Rifle Length Military specifications require that barrels undergo a HPT (High-Pressure Test) load as a part of quality assurance procedures. + Newsletter+ New Content Alerts+ Deals and Sales. Great quality, you always know what to expect from BCM. Of course, it wouldnt be a barrel review without speaking to accuracy. Thats not a dumb question at all! 20-inch 5.56 Gov't Profile Barrel ; 20-inch .223 OCMP Barrels ; 20-inch 6.8 Rem SPC Heavy Barrel ; 20-inch 6.5 Sporter Heavy Barrel ; . The barrel is thinner past the gas block and thicker from the chamber to the gas block, and with a cutout for mounting an M203 grenade launcher. We used the same at work until recently (they just went to 16 standard-weight uppers). FN Barrel AR-15 5.56x45mm 20 Government Contour Rifle Length Gas Port The increased velocity doesnt matter nearly as much when your primary use is inside of 200 yards with modern ammunition. This was where the Armorers Drop Gauge was getting stuck. If using an AR for hunting, a lighter barrel is going to be preferable if you do your hunting on foot. Its not something most people think about in the age of optics on all the things, but the longer distance between the rear sight and front sight post on a rifle-length barrel is a precision advantage. Quantity: Sorry we are currently sold out. Please view details for more information. Please check back with our website often, we can not take pre-orders or backorders on these products. The same month I started the blog, a good friend of mine suggested that we sign up for Vandenberg Air Force Bases Excellence in Competition (EIC) match. The guys at InRange TV have a fantastic presentation on the topic. Even Eugene Stoner commented on their stupidity, of weighting down the front of the barrel. They built them for law enforcement officers that needed a standard looking rifle with as much accuracy as they could muster. The original barrel was 0.625 inches from front to back (with the gas block bulge in the middle) making the rifle light and handy. TNTE E.R. Shaw 20" M16 A2/A4 5.56 Barrel 1/7 w/FSB I put Faxon 16 Pencil Barrels on all of ARs. The Mil-Spec grade steel gets its additional strength and rigidity from an increase in carbon and/or vanadium in the alloy. I cant imagine an AR collection/arsenal that doesnt have a 20-inch in it. There are some more minor differences, including some stress relief cuts, but ultimately they barely add up to a significant difference for the civilian shooter. Those practice sessions made up the earliest blog posts on the old site. BCM barrel steel is Mil-Spec per MIL-B-11595E. All Rights Reserved. However, the A2 profile was already down the road for the US Military. Then you have proprietary AR barrel profiles, including fluted barrels, custom contours and so on. My government barrels out shoot my pencil barrels including the A1 all day every day. He also contributes a bi-weekly column for Daily Caller. I'm new to AR-15 builds, so please bear with me if I make any mistakes. To ensure you have the best experience possible, this website uses cookies. Paired with a KAC M5 hand guard really rounds out the look. I picked this upper up with my own cash in 2014 from Bravo Company USA. Save 4% MSRP: $ 185.00 $ 176.95. I dont think 20 uppers deserve nearly the negative reputation that forum fanboys gave them. In the world of small caliber high-velocity (SCHV) cartridges, like the 5.56, velocity is king. This USGI modification was done to both the barrel extension and the upper receiver, creating a longer and steeper feed ramp. Im in the same boat as Lothaen in that I kind of like taking non-super special rifles into matches and just having fun. Barrel Contour: Government Profile: Fluting: None: Twist Rate: 1:9: Federal Firearm License Required for Purchase: No: Gas System Length: Rifle Length: Gas Block Diameter . The same applies for an AR pistol. We experts thought this bending was from rough handling like during bayonet drills, etc., as an absence of any mid-barrel handguard damage in these rifles made one assume the fulcrum of such bending was the bayonet lug. In fact, my 20-inch wore a UBG Gen 2.0 for a while, inspired by the look of your rifle. The additional material between the chamber and the gas block is slower to heat, thereby slowing any potential shift of alignment due to minute heat deformation. As the barrel heated, it would ever so slightly warp (elastic deformation) and shift point of impact until it cooled. If you are reloading, the Hornady 55 grain FMJ Item # 003-2267Read more , Hey Jerry! If you live to mag dump, the HBAR makes a certain amount of sense, but the intended application is precision target shooters. Modern pencil/lightweight barrels, properly heat-treated and stress-relieved, arent as affectedbut bear in mind that ANY barrel will shift point of impact if it gets hot enough. I think the first thing that stood out to me was that a 20 barrel really isnt that much longer than a 16 barrel. The fit of the upper into all of my lowers is nice and tight, though thats something Ive never particularly worried about. Its very hard to describe, but saying that the recoil impulse of the BCM 20 is mild would be an understatement. See it here: Much of the conventional wisdom of pencil barrels is based on those older units. In all, the total weight of this rifle with optic and no magazine is 9.4 lbs. Material - 4150 Chrome Moly Vanadium. What is your experience with the government profile barrel, and what would you rather use? Chrome lined or chrome molly AR15 barrels available. ..everyone wants to be like SOCOM, right? Wrong. So about the only advantage of the A2 profile was to give the rifle a little more muzzle hang. The 16" Government profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with mid-length gas system. I have no idea if anyone is still reading or responding to the thread in this article but I thank you for the article. BCM's 20in Government Profile Upper Review: Is Bigger Really Better? Certain suppressor mounts telescope back over the barrel a bit and look odd over a lightweight barrel. So for civilian use and 99% of LE use aRead more . Its simply an arrangement I have with the retailer. It increases velocity, and also resist against fouling and corrosion from extended use in the field. They are great for weapons that get carried a lot and shot on a light to medium schedule. All of the BCM flat top uppers feature a USGI type laser etched T-marks to provide addressing for the remounting of tactical accessories such as optics, laser sights, etc. Learn how your comment data is processed. Given the choice, Id rather the standard lightweight profile become the most popular again. BCM Standard 20" Government Profile Upper Receiver Group Hi Clifford, its difficult to say who the manufacturer is. im building an AR15 for home defense and wont be using it for range or hunting. Currently available in a chambering of 5.56 x 45mm in the following profiles and gas system lengths 10.5" Government Carbine, 14.7" Government Midlength, 14.7" M4 Carbine, 16" M4 Carbine, 16" Government Carbine, 16" Government Midlength, 18" Government Rifle, 20" Government Rifle. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); document.getElementById( "ak_js_2" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Of course that was back in the stone age. I dont want to go into the mechanics of the elevation wheel here since I already did a thorough write-up on that topic. However I started to worry because they have two different models listed, one with the A2 front sight in the middle of the barrel andRead more . We're sorry, this product has a maximum order limit of . There are some guys shooting service class matches with floated government profile barrels. Rifles, Uppers, Lowers, Barrels, and more. Commonly referred to as a proof load, the M197 HPT is rated for 70,000 psi. 11" 9MM Straight Profile Barrel, Modern Series . Can't beat a solid a2 fsb and that fullsize velocity. [ARCHIVED THREAD] - Pictures: "Government" Barrel vs. "Pencil" Barrel Weight Difference. *Must have a registered ARFCOM account to win. The takeaway of this story is that just because the government does something, that doesnt mean its the right answer for everyone. So we made that part of the barrel thicker because we did not want the excess weight of a full length heavy barrel. That said, the forward balance does slow it down as you transition quickly from target to target. Fit and finish is perfect. This site and its community are a labor of love. The 20" 5.56 NATO barrel assembly is the perfect barrel to start your next build and add to your AM-15 collection. What I found was a mound of bullet jacket material at their gas ports. We let Colt know what we had deduced, and that is one reason they kept models of A2s in their line-up with A1 profile barrels. I was curious about it a couple years back and did some googling and found an article that explained that they were having a hard time sighting in rifles and based on bullet for trajectory they thought that the barrels were bending on the far end due to bayonette usage. The barrel is finished in Black Manganese Phosphate for protection against rust and corrosion. The one you purchased will do fine at home defense. Examples of government profile barrels with the M203 cutouts include the Colt 14.5" M4 barrel and the Colt 16" 6920 barrel. No one is mag dumping all of their mags on full auto in any scenario to warrant the thicker barrels.. The HBAR barrel profile is a thick-to-slightly-less-thick tapered design, thinning after the gas block. Colt listened, and even put out civilian M16A2 copies that still had the standard lightweight profile. I would write for the site and produce content for free if it was practical, but domains, webspace, and other online services cost money. banyodan km sex yapyorlar At the time, I already owned two ARs, the Recce and the MCC. If youre going to be conscious about barrel selection, they are also the most pointless. Order Limit Exceeded. Wench guy, I agree with you. Now, could the barrel have done better than that? Barrel customizations are also available. That is a pretty good description of the average combat rifle. Another great option is the hybrid profile, where the barrel starts thicker by the receiver and gets thinner towards the muzzle. Best of the best. Im glad you liked it, and its great that your son is enjoying one as well. The simple truth here is that a 20 barrel is the optimum length for 5.56-based cartridges. Slowed down my build by at two weeks. Criterion makes their own Hybrid Profiles in both medium taper and light taper that meet a middle ground between the two. However, a pencil barrel of modern manufacture that isnt properly relieved and treated will too. There was no going back. But Im taking aRead more . JP Bore Guide for 223 Cal: Raw Truth Review. Very front-heavy but easy to shoot. $199.99 $259.00 . Lets be real here, though. Daily checking did the trick, Get the latest updates on new products and upcoming sales, Mil-Spec 11595E - Certified Barrel Steel (CMV). 10.5" 5.56 Government Profile Carbine Length AR 15 Barrel, Modern Series . Quite a contrast as his few annual range trips with dad are generally spent firing away with a Norinco MAC 90. Picked up a new perspective and appreciation for the 20. PRODUCT DESCRIPTION Premium Grade Parkerized AR-15 Government Profile Barrel, 20",1:7 twist, 5.56 NATO Gas port drilled for Rifle length gas set up. For more information, check out privacy page. JavaScript seems to be disabled in your browser. But thats a post for later. Very nicely written. Combine it with a collapsible stock and its actually a very handy weapon that Ive used in everything from tactical training courses to shooting matches between 5 and 500 yards. Made by Bravo Company MFG, Inc. (BCM) These Barreled Upper Receiver Groups are designed for shooting professionals with the Mil-Spec features for the demands of their duty. About the only benefit is a modest reduction in weight compared to an A2 or M4 contour, but a marginal one. AR-15 20 Rifle Kit - M-16parts.com Anyone ever free float a 20" government profile barrel? - AR-15 $479.99. You can find that by clicking on this link. This 5.56 chambered 20 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel and comes with a pinned Front Sight Base and Delta Ring Assembly Kit. It turns out to be lighter than the Magpul handguards I was using before. That said, the same hang that provides stability for shooting from the kneeling also slows the rifle down when you move from target to target. In all, the BCM 20 rifle is a favorite in my safe, and it accompanies me on more range trips than any of the others. 20" Light Weight Profile Barrel - A2 Front Sight: 20" Light Weight Profile Barrel : Our Price: $ 152.50. As you can see in the video, a modern pencil barrel shifts far less than an older Colt pencil barrel. Project Gungnir: My First Precision Bolt Gun, AR-15 Trigger Selection: Dont Overthink It. Length - 20". 20'' AR15 Standard Upper Half, Government Profile Barrel, 5.56 NATO, chrome lined chamber & bore, 1-7 twist, A2 flashider: $380.00 CHOOSE UPPER & REAR SIGHT Maybe. Pencil barrels were the original barrel profile for the AR-15/M16 as designed by Eugene Stoner, Jim Sullivan and Bob Fremont. Only the misinformed. Save 10% . As a note: BCM barrel components are parkerized separately before assembly.
