Smith & Wesson M&P 15" Upper Flattop Receiver 5.56mm NATO
- 16" M4 Profile Chrome-lined Barrel
- 5.56 mm with A2 Birdcage Compensator
- M4 Style Post Front Sight
Upper assemblies may not be available for sale in all states and locales due to feature-based restrictions on firearms.
M&P15 Complete Upper Assembly includes Flattop receiver, 16" M4 profile chrome lined barrel in 5.56mm with A2 birdcage compensator and M4 style post front sight. Complete bolt carrier group with chrome lined carrier, staked, chrome lined gas key and charging handle.