Smith & Wesson M&P15 Upper Assembly, 300 Whisper, Black, 16″

Description

Upper Receiver Complete Assembly, Drop on to any standard AR15 rifle! Manufactured on the M&P15 modern sporting rifle platform. Chambered in .300 Whisper®.
Will also safely fire .300 AAC Blackout. Very effective, short range round (approx. 200 yards) for hunting deer-sized game. Tactical application for the cartridge is for short-range target shooting. Cartridge has a very low recoil and muzzle blast. Designed to operate with or without sound suppressor. Barrel threaded to 5/8-24. Feed ramps and gas system optimized to run efficiently with a full range of factory loaded sub-sonic and super-sonic ammunition, both suppressed and unsuppressed. Barrel twist rate (1 in 7.5”) is compatible with a wide variety of bullet weights from 110 to 220+ grains.
Category : Uppers
Type : Complete Gas Impingement
Caliber : 300 AAC Blackout/Whisper (7.62x35mm)
Sights : None (Optic Ready)
Barrel Length : 16.0″
Barrel Material : 4140 Steel
Twist : 1:7.5
Barrel Description : Threaded
Barrel Finish : Black
Receiver Description : A3
Receiver Finish : Black