Black AR-15 Lower Receiver Parts

Features: Mil-Spec dimensions Material: Steel Finish Black: Phosphate Flat Dark Earth: H-267 Magpul® Flat Dark Earth OD Green: H-232 Magpul® OD Green Pink: H-224 SIG™ Pink Red: H-167 USMC Red...

Mil-Spec AR-15 Bolt Catch The bolt catch is an essential part of what makes the AR15 such a great rifle.  AT3's bolt catch is a great addition to your next...

AR-15 Magazine Catch with Button and Spring Whether you're finishing a build or replacing stock parts, your AR-15 is going to need reliable magazine retention. This mil-spec assembly includes the...

Radian Raptor Ambidextrous Charging Handle with Talon Ambidextrous Safety About Radian Raptor Charging Handle The Radian Raptor is a revolutionary charging handle designed to improve the function of the AR15...

AR-15 Takedown and Pivot Pins with Springs and Detents If you're completing an AR-15 lower, you won't get far without a good set of takedown and pivot pins. These mil-spec...

Transform Flat Mil-Spec Dimensions into Tactile Ergonomic Perfection The MOE Enhanced trigger guard overhaul ushers forgiving glove integration and positive control to the overlooked lower receiver component. Ditch the awkward...

Finish Off Your New Rifle Lower with an Enhanced Trigger and Matching Magpul Furniture Your AR lower has some of the most critical parts you don't want to skimp on...

Mil-Spec AR-15 Magazine Catch Button All AT3 Tactical lower receiver parts meet or exceed Mil Spec.  The magazine catch button is no exception.  Steel construction with proper threading and dimensions,...

Mil-Spec AR-15 Safety Selector The classic mil-spec safety selector is a great choice for any shooter.  Featuring all steel construction, a 90 degree throw for safe and fire, and a...

More Improved & More Reliable Bolt Catch Release For AR-15 The Phase 5 Weapon Systems AR-15 Extended Bolt Release V3 is the more improved one-piece replacement part for the mil-spec...