Hardened Arms M4 Feed Ramp Flat Top Receiver Black anodized mil-spec finished upper receiver Feed ramps for increased feeding reliability on barrel and upper Laser etched T-Marked upper receiver 4150 Chrome Moly .300 Blackout High End Barrel Black Melonited Finish Chambered in .300 Blackout 10.5" HBAR Profile barrel with M4 Extension .750" barrel diameter at gas block Low profile gas block Barrel dimpled to secure gas block Pistol length gas system A2 flash hider 12" Talon TLN Rail Citadel LMC Compensator
Fits any mil-spec AR15 lower receiver. Hardened Arms uppers are high end, accurate, head spaced, inspected and test fired prior to shipping. They are built using stringent specs, top quality parts and procedures to ensure maximum reliability and performance.
You are responsible for knowing your state laws regarding barrel lengths, pistol, Short barreled rife restrictions. 20% restocking fees if you can not take delivery due to state restriction. Dealer programs are available on our website. Two year warranty against manufacturer defects. Finishes will wear with use, no warranties apply to finish wear.