New Frontier Armory Is Making Pistol Caliber Carbine Barrels
The New Frontier Armory AR9/40 Match Grade pistol caliber carbine barrel is made from high quality 4150 chromoly steel. This 12.5" barrel is made right here in the USA by hard working men and women. It is chambered in .40 Smith & Wesson and features a 1:16" twist rate. The nitride black finish provides incredible durability and corrosion resistance. ALL NFA RULES APPLY!!!New Frontier Armory AR Match Grade Barrel (Black) Specifications and Features:
- New Frontier Armory 6978
- AR9/40 Match Grade Barrel
- 12.5" Barrel Length
- .40 S&W
- 1:16' Twist Rate
- Threaded 5/8x24
- High Quality 4150 Chromoly Steel
- Integrated Feed Ramp
- Made in the USA
- Nitride Finish
- Black
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Is this a blow back system or does it take a gas block?
Answer:
Blowback. No gas block required.