Up to 20% Off AR-15 Uppers & Accessories | Shop Now

Up to 20% Off AR-15 Uppers & Accessories | Shop Now

AR-15 Lower Receivers

The AR-15 lower receiver is a key portion of your build. It’s the one part of the AR-15 that is serialized and considered a “firearm”, and its sale is regulated by the ATF. AT3 strives to make the process as simple as possible to help you shop for the lower READ MORE

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AT3 Tactical AT-15 Lower Receiver - AR-15 Stripped Lower Receivers

(19)

AT3™ AT-15 Stripped Lower Receiver – Anodized and Cerakote

RECOMMENDED

AT3 Tactical AT-15 M-LOK Builder Set - Lower, Upper, and SPEAR M-LOK Handguard

(9)

AT3™ AT-15 M-LOK Builder Set – Anodized and Cerakote

(2)

AT3™ AT-15 Lower and Upper Receiver Set – Anodized and Cerakote

RECOMMENDED

AT3 Tactical AT-15 Quad Rail Builder Set - Lower, Upper, and Pro Quad Rail Handguard

(6)

AT3™ AT-15 Quad Rail Builder Set – Anodized and Cerakote

CMMG Mk3 AR-10 Stripped Lower Receiver

CMMG Mk3 AR-10 Stripped Lower Receiver

AT3 Tactical AT-15 Lower with Rise Armament Rave 140 Trigger - Black - Curved

(2)

AT3™ AT-15 Lower Receiver with Rise Armament Rave 140 Single Stage Trigger

AT3™ AT-15 SPEAR XL Billet Builder Set - Anodized and Cerakote

AT3™ AT-15 SPEAR XL Billet Suppressor Ready Builder Set – Anodized and Cerakote

RECOMMENDED

AT3™ AT-15 SPEAR XL Forged Builder Set - Anodized and Cerakote

(1)

AT3™ AT-15 SPEAR XL Forged Suppressor Ready Builder Set – Anodized and Cerakote

Xiphos

Battle Arms Development AR-9 Xiphos Billet Lower Receiver – Glock Compatible

UTG PRO AR-15 Billet Receiver Set

(1)

UTG PRO AR-15 Billet Receiver Set

JP Enterprises GMR-15 9mm Billet AR-9 Stripped Lower Receiver - Glock Style

JP Enterprises GMR-15 9mm Billet AR-9 Stripped Lower Receiver – Glock Style

G100 120R Gen 3 Receiver

(1)

G100 120R Gen 3 Receiver

FMK Firearms AR1 Extreme AR-15 Stripped Lower Receiver - Black Polymer - 556 - 2

(6)

FMK Firearms AR1 Extreme AR-15 Stripped Lower Receiver – .223/5.56 – Black Polymer

Sharps Bros Overthrow Gen 2 Spartan Billet Lower - Bronze (2)

Sharps Bros. SBLR07 Gen 2 Overthrow Bronze Cerakote Billet Stripped Lower Receiver

UTG PRO AR-15 Ambi Billet Receiver Set

UTG PRO AR-15 Ambi Billet Receiver Set

Includes hardware for ambidextrous bolt release

(5)

Unbranded AR Ambidextrous Lower Receiver

KE Arms KP-15 "Mil-Spec" Monolithic Polymer Lower Receiver - Black - AT3 Tactical

KE Arms KP-15 Mil-Spec Monolithic Polymer AR-15 Lower Receiver – Black

American Defense Mfg UIC Stripped AR-15 Lower Receiver – Ambidextrous – .223/5.56 NATO

AT3™ AT-15 Stripped Lower Receiver - AT3 Only

AT3™ AT-15 Stripped Lower Receiver – Raw Finish

Sharps Bros., SBLR03, Gen 2 The Jack, Semi-automatic, Billet Lower Receiver, 223 Rem/556NATO, Black Finish, CNC Machined from 7075 Billet Aluminum

(1)

Sharps Bros. SBLR03 Gen 2 The Jack Billet Stripped Lower Receiver

Yankee Hill Machine AR-15 Complete Lower Receiver - Commercial Extension - M4 Stock

Yankee Hill Machine AR-15 Complete Lower Receiver – Commercial M4 Stock

Odin Works OTR-15 Billet 7075 Stripped AR-15 Lower Receiver

Odin Works OTR-15 Billet 7075 Stripped AR-15 Lower Receiver

Sharps Bros Overthrow Gen 2 Spartan Billet Lower - Black

Sharps Bros. SBLR07 Gen 2 Overthrow Billet Stripped Lower Receiver

Spike's Tactical ST-15 Complete AR-15 Lower Reciever - Color Filled - ST-T2 Tungsten Heavy Buffer

Spike’s Tactical ST-15 Complete AR-15 Lower Reciever – Color Filled – ST-T2 Tungsten Heavy Buffer

The AR-15 lower receiver is a key portion of your build. It’s the one part of the AR-15 that is serialized and considered a “firearm”, and its sale is regulated by the ATF. AT3 strives to make the process as simple as possible to help you shop for the lower you want, with prompt shipment to your FFL of choice. Just make sure to brush up on your local regulations before making an order!

For more information about legalities surrounding lower receivers, check out our article on the serialized lowers and 80% lowers.