Lower/Upper Sets

This package deal includes the pieces you need to start building your own M4E1 (AR15) Rifle, including a M4E1 Threaded Upper Receiver, AR15 ATLAS S-ONE Handguard of choice and a M4E1 Stripped Lower Receiver. Includes: M4E1 Stripped Lower Receiver...

This package deal includes the pieces you need to start building your own M4E1 (AR15) Rifle, including a M4E1 Threaded Upper Receiver, AR15 ATLAS S-ONE Handguard of choice and a M4E1 Stripped Lower Receiver. Includes: M4E1 Stripped Lower Receiver...

Noveske Gen 1, Lower/Upper Set, 223 Rem/556NATO, Black Finish, Stripped Lower, Complete Upper, w/Takedown/Pivot Pin Set & Trigger Guard 04000067

Battle Arms Development, Inc. Lightweight Upper/Lower Set, Semi-automatic, 223 Rem/556NATO, Black Finish, Billet 7075-T6 Aluminum 100-016-158

LanTac USA LLC Raven, Semi-automatic, Lower/Upper Set, 223 Rem, 556NATO, N/A, Black, N/A, Right Hand, 7075T6 Forged 01-RV-SET-N15-RAVEN

LANTAC™ USALA-SF15™ FORGED RECEIVER SET•Matched forged receiver set combines the USR™ (Upper Standard Receiver) with the LA-SF15™ lower•Deep Black finish• MIL-SPEC Type III Hardcoat Anodized (Class 2) 7075-T6...

Noveske Gen 3, Lower/Upper Set, 223 Rem/556NATO, Black Finish, Stripped Lower, Complete Upper (Includes Port Door and Forward Assist, No BCG), w/Takedown/Pivot Pin Set 04000068

Noveske Gen 3, Lower/Upper Set, 223 Rem/556NATO, Flat Dark Earth Finish, Stripped Lower, Complete Upper (Includes Port Door and Forward Assist, No BCG), w/Takedown/Pivot Pin Set 04000094

Seekins Precision Nx15 Skeletonized Noxs Lower/upper Set, 223 Rem/556nato, Black Finish 11200010Model: NX15 Skeletonized NOXsProduct Type: Lower/Upper SetFinish/Color: BlackCaliber: 223 Rem

Seekins Precision Nx15 Skeletonized Noxs Lower/upper Set, 223 Rem/556nato, Includes 15" Noxs Rail, Flat Dark Earth Finish 11200012Model: NX15 Skeletonized NOXsProduct Type: Lower/Upper SetFinish/Color: Flat Dark EarthDescription: 15 NOXs RailCaliber: 223...

Wilson Combat Billet Upper/Lower Receiver, Semi-automatic, 223 Rem/556NATO, Black Finish, Picatinny top rail, Shell deflector TR-LOWUPP-BIL

Wilson Combat Upper/Lower Receiver, Semi-automatic, 223 Rem/556NATO, Black Finish, Mil-spec TR-LOWUPP

The ZEV Technologies AR15 Billet Receiver Set was designed to complement the enhanced features of the ZEV rifle product line while retaining compatibility with most mil-spec accessories to give you the most options for completing your build. All...

The ZEV Technologies Large Frame Billet Receiver Set was designed to complement the enhanced features of the ZEV rifle product line while retaining compatibility with SR25/DPMS pattern accessories to give you the most options for completing your build...