AR-9 9mm BCG + 1/2x28 Barrel - Choose Size
This 9mm Straight Profile Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish.
This barrel is a fully machined barrel precision-crafted from 4150 Chrome Moly Vanadium, rifled with a 1:10 twist and QPQ coated inside and out. The result is an accurate barrel that stays that way without chipping or peeling coatings and little risk of damage from corrosion, regardless of your operating environment.
**Disclaimer** These barrels have no Index pin or dedicated feed ramps
|Material||4150 Chrome Moly Vanadium|
|Finish||QPQ Corrosion Resistant|
|Gas System Length||Blowback
|Gas Block Journal||.N/A|
|Muzzle Thread||1/2x28 TPI|
|Target Crown||11 Degree|
All NFA/ATF Rules Apply
This 9mm BCG is perfect for your 9mm Pistol Caliber AR-15 Build. Due to the increased rearward velocity, blowback AR systems require a heavier carrier. This AR9 Colt pattern bolt comes in at 14.8 ounces, providing the correct weight needed to tame your blow back system.
Compatible with both Colt and Glock pattern builds.
This BCG works great with any Colt style 9mm rifle and Colt pattern magazines.
- Colt & Glock Compatible
- USA made 8620 Steel Carrier Construction
- Phosphated or Nitrided Finish
- Heavy Firing Pin Retaining Spring
- 14.8 oz.