BCM PISTOL RECEIVER EXTENSION KIT AR Stocks -Rated for all calibers

-Rated for all calibers

Consistent performance at typical hunting distances

Durable Construction: Made from 7075-T6 aluminum with a Type III hardcoat anodized finish

-Muzzle Velocity2150 fps

BCM PISTOL RECEIVER EXTENSION KIT AR Stocks -Rated for all calibersBCM PISTOL RECEIVER EXTENSION KIT W BUFFER SPRING HARDWARE FEATURES Pistol Receiver Extension Kit Buffer Tube For AR15 Pistols For your AR15, M16, M4 Pistol Lower Receiver. Pistol Receiver extension (buffer tube) machined from 7075T6 Hard Coat Anodized per Mil A 8625F, Type III, Class 2 1. 2" outside diameter. Will fit your ATF compliant SigTac SB15 type pistol stabilizing brace. Works with carbine buffer and action springs.