AR15 Lowers and Lower Parts

Aero Precision M4E1 Stripped AR15 Lower- FDEThe M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the...

Aero Precision M4E1 Stripped AR15 Lower- BlackThe M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the...

Aero Precision M5 308 Stripped Lower   Our M5 .308 Stripped Lower Receiver helps you build a big-bore, DPMS compatible AR10 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface...

Aero Precision AR15 Standard Lower Parts KitAero lower parts kit helps you to build a custom AR15 from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.Includes:Takedown/pivot SpringTakedown/pivot...

Aero Precision Gen 2 Stripped AR15 Lower Machined to mil-spec dimensions, Aero Precision lowers work with standard AR15 components and ensure the highest quality with a correct component interface. Mil-Spec 7075-T6 aluminum forgings are CNC machined...

AR-15 Lower Completion Parts KitSolid Quality, Economically Priced, Everything You Need!Assemble these parts into an AR15 lower receiver and that receiver will be complete... All you will need to build the rest of your AR-15 is a stock, a barreled upper,...

CMMG Lower Parts Kit, AR15 - 55CA6C5Easy Color Coded Installation Plus Online Video Instructions- The color coded CMMG Lower Parts Kit includes everything you need for your next lower receiver project. They're all premium grade parts that meet or exceed...

Timney 49ER Ambidextrous Safety fits AR15- The Timney 49er is a 49 or 90 degree AR15 safety (Ambidextrous). It can be used in either the normal 90 degree or for ultra quick changes a 49 degree short throw for quick and easy manipulation. In addition,...

APF AR15 Stripped Lower Receivers - We scored a heck of a bargain on these original APF (Alexandria Pro Fab) manufactured AR-15 Lowers. They were FORGED from 7075 T6 aluminum and then precision machined for the best strength, straightness, and rigidity...

CMMG Gun Builders Lower Parts Kit, AR15 - 55CA601- Partial Lower Parts Kit includes everything you need except the fire control (trigger) parts and grip. So you can complete your lower parts build with an aftermarket trigger from Timney or JARD and a...

Enhanced AR15 Trigger Guard - Anodized  Upgrade your lower receiver with an Aero Precision Billet Aluminum Trigger guard. Our new design installs with 3 button head screws (no roll pins needed) and features a sleek profile and hard engraved...

CMMG Parts Kit, AR15, Lower Pins and Springs - 55AFF75These are a collection of the most frequently replaced parts (usually from just losing them when disassembling your AR15). Trigger Spring Hammer Spring 2 Hammer Trigger Pins 2 Takedown...

Hogue Polymer AR15 Trigger Guards.  Curved trigger guard gives more finger room and is a direct replacement for the straight AR15 trigger guard. Available in Black, Flat Dark Earth, and OD Green, they add a nice custom look to your AR15. This...

Colt AR15/M16 Lower Receiver Offset Adaptor PinAdapts Large Pin Colt lower receivers  to fit standard small pin upper receivers.  On the Colt AR15/M16, the front pin that joins the upper receiver to the lower receiver...