Description
Other Specifications and Features of the 4″ Pistol Caliber Side Charging Complete Upper – .40 S&W:
Side Charging AR-9 Stripped Billet Upper with LRBHO
AR-40 .40 S&W Bolt Carrier Group – BCG (Glock & Colt Compatible)
.40 S&W Match Grade 4″ AR Barrel (1:16)
Lightweight Free Float Hand Guard – 3.5″ – MLOK*
Standard 5/8” Crush Washer
Standard Flash Hider .45 / .40 / 10mm
*If you would prefer a KEYMOD hand guard, please notify us via the “Customer Note” when placing your order.
