Corrosion on the outside of the bore unless you are swimming in the ocean is merely aesthetic and only happens if you don't take care of it (like clean and oil it). ![]() It is no better in any way to button rifling and is worse in most ways to Criterion's barrel making and button rifling.Ĭhrome lining confers longer barrel life than nitriding (QPQ) and while phosphating is inferior to nitriding for corrosion. Experimentally it has been demonstrated to convey no advantages and the material science of the steel shows this too. 1:7 is sometimes used for XTC shooting single loading and single shot, but not with your gun.ĬHF in AR barrels is almost entirely a gimmick based in bad information and bro lore. 1:7 was chosen by the military for tracers in SBRs and in cold weather. It will stabilize everything from 40 to 77gr. Thanks.ġ:8 is the ideal AR twist rate for all ammo you will shoot semi auto except for M856/L110 tracers. I'd like to rely on this rifle as a self defense tool, so reliability and durability are paramount. So what's the verdict? Spend a little extra on the BRT? Spend the savings on ammo and get the BA? * I'm not suppressing the rifle ever, so the BRT may be overkill for me * Shorter barrel is nice on the BRT, but I bet they will have similar FPS due to the rifling and 1" won't change the overall feel (I think) * Or the NiB coating might flake with time due to the DLC BCG (is this possible?) * NiB barrel extension coating might make cleaning significantly easier (is this important?) * it's only $100 difference and it doesn't really change the budget overall * The shorter barrels will prefer heavier bullets * Ammo is stupid expensive so training will be limited for now * It's my first AR and more advice is helpful Here's all the things that I'm balancing: Optics will be a red dot and BUIS or low power prism sight and no BUIS. I've got everything else lined up, (DLC BCG I took a chance on, BCM grip, TailHook Mod 2, Magpul VFG, Odin Rune 12.4 handguard, aero precision matched receivers, and an ATS NP3 mil-spec trigger). My intended use is under 200 yards, fast snap shooting with a firearm. I've read through arfcom and m4carbine forums and everyone seems quite happy with the BRT barrels. Other than that, they both have a QPQ finish. And the BRT 6P rifling supposedly gets extra FPS for the length. BRT has a custom gas length between carbine and mid. I'm building my first AR and need advice.ĭo I go with a 13.7 BA Hanson Barrel for about $250 or a 12.5 Black River Tactical barrel for about $350?īoth come with a pinned lo-pro gas block. You can make all the difference in someone's life. Suicide Prevention Lifeline Website or call them at 1-80įor international help please visit 's Hotline Finder to get in touch with the assistance available to you in your country. Don't let yourself or another fall to suicide. ![]() There are many resources available for veterans and civilians alike. If you or someone you know is considering suicide please help them. Suicide is a serious problem all around the world. Keep weapons out of the reach of children, criminals, and other prohibited persons - it is your responsibility to protect your firearms!.Alcohol, legal and illegal drugs, and firearms are never a good combination.Only use the ammunition type stamped on the barrel or listed in the user manual.Ensure the weapon is safe to fire, a gunsmith is cheaper than a hospital visit.Keep your finger straight and off the trigger until ready to shoot. ![]() Never point a firearm at anything you're not willing to destroy.Treat all firearm as if it were loaded.r/Firearms users can't read apparently.Įveryone is a Range Safety Officer, if it seems unsafe call it for a cease fire! If you're a vendor, don't make posts that are glorified ads for a product and ghost. Given recent events, we don't want to run any risks with this community. Please avoid linking to any third-party vendors.To include the solicitation or facilitation of any transaction or gift involving 3D printing files to produce firearms. Politics and News posts require moderator pre-approval and are limited to legislation with direct impact on the AR15 platform.Don't just show us your build, tell us about it. Images, videos, and links require a descriptive comment.All posts and comments are to be civil.Where you can find DIY, FAQ, and more! Subreddit Rules Welcome to /r/AR15! Here for your favorite black gun links, build photos, questions and other tactical or practical info.
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