Lower Receivers and Parts

80% AR-15 Lower Receiver. Black hard coat Type III anodized. Open trigger design and made from 7075-T6 aluminum. The 80% AM-15 Machined Lower is finished in Type III Hard Coat Anodize, Black in color. Made from 7075-T6 and features a 3/4 inch grip screw...

80% AR-15 Lower Receiver. Unfinished raw aluminum. Open trigger design and made from 7075-T6 aluminum. The 80% AM-15 Machined Lower comes unfinished in raw aluminum. Made from 7075-T6 and features a 3/4 inch grip screw. These 80% Lowers are Designed off...

T6-6061 aluminum Black anodized finish Non-serialized. No FFL required Complete rear takedown lug pocket We cannot accept returns for 80% receivers if they have been modified in any way. This item can not ship to the following states: NJ, DC 10% off...

10% off orders of 5 or more Forged from 6061 aluminum Un-anodized, steel finish Non-serialized. No FFL required Marked fire/safe We cannot accept returns for 80% receivers. This item can not ship to the following states/territories: CA,CO, CT, DC, HI,...

The Phoenix, Gen2 version features Polymer80’s proprietary polymer composite, a solid core design, stiffened magwell and MILSPEC buffer tube housing. The pistol grip area features a unique no-thread design specific to Polymer80 lowers. The...

The RL556v3™ features Polymer80’s proprietary polymer composite, a solid core design, flared magwell, and beefier mil-spec buffer tube housing. The pistol grip area features a unique threadless design specific to Polymer80 rifle lowers. The RL556v3™...

Manufactured by Cerro Accepts Glock Magazines 7075-T6 aluminum Includes proprietary ejector and magazine catch assembly Threaded bolt catch channel Threaded upper tension screw channel Complete rear takedown lug pocket Accepts 9mm upper receiver and 9mm...

Machined out of 7075 billet aluminum T6 heat treated DPMS Gen 1 Type 308 lower receiver Hard-coat, mil-spec anodized 0.795" rear pocket already milled for mating with upper receiver Just needs trigger and safety well milled out to complete Marked...

Made in USA by Cerro Open-ear trigger Milled-out rear pocket Hard coat anodized finish Non-serialized. No FFL required Fire/safe marked 7075-T6 aluminum We cannot accept returns for 80% receivers once they have been modified. This item can not ship to...

10% off orders of 5 or more CNC small-batch cut from billet stock Oversized trigger guard Milled-out rear pocket Un-anodized, in-the-white for cerakote or anodized finish Non-serialized. No FFL required Marked fire-safe We cannot accept returns for...

10% off orders of 5 or more CNC cut from 6061 billet aluminum Milled-out rear pocket Un-anodized, in-the-white for cerakote or anodized finish Non-serialized. No FFL required Marked safe-semi-auto We cannot accept returns for 80% receivers. This item...

10% off purchases of 2 or more lowers CNC small-batch cut from billet stock Oversized trigger guard Broached magwell Hard coat anodized No roll pin design - threaded bolt catch pin included Non-serialized. No FFL required Marked fire-safe 6061-T6 We...