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Smith & Wesson Upper Receiver

Smith & Wesson

Upper Receiver

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Smith & Wesson Upper Receiver


S&W M&P 15 Standard Upper Assembly 16 Inch A3 Flattop Receiver
M&P 15 Standard Upper Assembly
M4A3 type flat top receiver with M4 style post front sight. No carry handle. Comes with complete bolt carrier group and charging handle.

S&W M&P15 PSX Upper Assembly 5.56 NATO 16 Inch Barrel
M&P15 PSX Upper Assembly
Sixteen inch barrel. 5.56mm NATO. Piston operating system. Troy 7 inch Modular Quad-Rail handguard. Chromed barrel bore, gas key bolt carrier and chamber. Adjustable gas port. One-piece bolt carrier.

S&W M&P15T Upper Assembly 5.56 NATO 16 Inch Barrel MBUS Front and Rear Sights 10 Inch Free-Float Lightweight Quad Handrail
M&P15T Upper Assembly
Manufactured on the M&P 15 modern sporting rifle platform. Ten inch free-float lightweight quad handrail with ergonomic width. MBUS front and rear sights. Impact resistant polymer provides light weight and resists operational abuse. Spring-loaded flip up sights easily activated from either side or by pressing the top. Chambered in 5.56 mm NATO. Barrel twist rate 1 in 8 inches 5R Rifling (for reduced copper fouling and cleaning times). A2-style flash hider. Barrel threaded to 1/2x28.

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by PowerReviews
Option Manufacturer's Part Number Store SKU
16" A3 Flattop 812003 812003 022188134810
16" PSX Upper 812007 812007 022188144260
16" MBUS F/R Sights 812010 022188148664