This Adjustable Buffer is manufactured by Quarter Circle 10 for the pistol Caliber AR15, AR9.
Adjustable Blowback Buffer Assembly for use with most pistol caliber carbines, suppressed or unsuppressed, including 9MM, .40 S&W and .45ACP.
Quick change weight management allows use with multiple configurations.
Package Includes: 4 aluminum weights, 4 steel weights, 4 tungsten weights, 4 rubber spacers, buffer body and allen wrench.
8620 Steel construction and QPQ nitrite finish for maximum wear and durability
Easy user adjustability from 5-11oz with included Aluminum, Steel, and Tungsten weights
Threaded retaining pin and included allen key eliminates need for hammer and punch
Extended length for increased bolt catch life (no spacer necessary)
For use in carbine length buffer tubes
Ideal for tuning your Pistol caliber AR for the best function, felt recoil, and sound suppression
***For pistol caliber blow back builds only