WebSep 24, 1999 · Nitrided barrels have about half the usable life of chrome-lined barrels, but nothing on the interior is seeing anything like the forces working on the interior of a barrel. … WebMay 3, 2024 · The nitride barrel life is all dependent on how you treat it. That being said, our nitride barrel life span for average use is 12,000 rounds. Only downside to nitride barrels are they do not break in over time, once you …
AR-15 Barrels - Surface Treatments & Muzzle Types (Part 5)
WebDepends on how much you plan to shoot and how long at at time you plan to shoot. Nitride will give you a little better accuracy and a better finish on the barrel but phosphate will … WebBuy PSA 10.5" Carbine-Length 5.56 NATO 1/7 Phosphate Lightweight M-lok 12 Upper: GunBroker is the largest seller of AR15 Uppers AR15 Parts Gun Parts All: 980580425 ... Barrel: 10.5" 4150V Chrome Moly vanadium steel, nitride treated for accuracy and durability, and chambered in 5.56 NATO with a 1 in 7" twist. Carbine-length gas barrel is ... chuck weldon
Chrome Lining vs. Salt Bath Nitriding: Which Barrel …
WebMar 19, 2024 · I like the chrome lining of the Mk 25, mainly because its easier to clean and just as durable as nitride, but DO like the way the new SIG nitride barrels hold up to wear and the nitriding is more than skin deep. Any thoughts/preferences on the two? (Durability as to pressure/wear and 9mm is not so valid like it is to the 5.56 cartridge). downeyg Webthen nitriding comes along and makes it so you can finish both the bore and exterior with one quick dip in a super hot tank. it alters the surface of the metal to make it harder and corrosion resistant. you do not want a phosphate barrel that doesn't have chrome lined bore. WebFeb 1, 2024 · With the barrel you have on this upper it is a 1:7 twist meant to stabilize 55gr and larger bullets. This might be part of the accuracy problem using a 52gr bullet for this upper. You should retry this using a 55gr cartridge instead. I use PSA 20 in CHF barrel one of my rifles and get about 1 to 1.5 groupings at 100 yrds non free floated. chuck wells chattanooga