223 Remington Buffer Tubes

Sons of Liberty Gun Works SOLGW M4 Stripes Rollmark Lower Half w/A5 Buffer System; No Stock M4LOWER-A5-NS-ST

NOVESKE Chainsaw N4 Complete Lower Receiver + H1 Buffer & B5 Bravo Stock | Black

Kexuan Aluminum Receiver End Plate w/Dual Sling Clip Type Adapters for .223/5.56/.308 Buffer Tubes Black

Presma Aluminum Receiver End Plate w/ 1in Sling Adapter for .223/5.56/.308 Buffer Tubes Black

Aero Precision M4E1 Pistol Complete Lower Receiver w/ A2 Grip & SBA3 Brace - FDE/FDE

Harrington & Richardson Complete Gray XM177E2 Lower, 2 Position Tube, Authentic Aluminum Stock

PSA Sabre-15 Lower Build Kit with A1 Stock and Sabre Grip, Black

Bravo Company BCM LRG-STK-M4 Rifle, 223 Rem Lower w/Milspec M4 Stock

Surefire Optimized BCG w/ Buffer & Spring

Anderson Mil-Spec Lower Build Kit - Stainless (Black)

Anderson Mil-Spec Lower Build Kit - Stainless (Silver)

Ar-15 Gi Lower Parts Kit With Adjustable Stock Assembly - Ar15 Gi Lpk W/Adjustable Stock Assembly

Anderson No Logo Complete Lower Receiver w/ SBA3 Brace

Anderson Mil-Spec Lower Build Kit - Stainless (Black)

Anderson Mil-Spec Lower Build Kit - Stainless (Silver)

KynSHOT Hydraulic AR-15 Carbine Recoil Buffer 3.25"

POF-USA Anti Tilt Buffer Tube 6-Position Mil-Spec Diameter AR-15, LR-308 7075 Aluminum Black

Armaspec Gen 4 SRS C Stealth AR-15 Carbine Recoil Spring Assembly

Armaspec Gen 3 SMB H3 Sound Mitigation AR-15 Carbine Buffer Kit

KynSHOT Hydraulic AR-15 Rifle Recoil Buffer 5.875"

Armaspec Gen 4 SRS H2 Stealth AR-15 Carbine Recoil Spring Assembly

Armaspec Gen 4 SRS H Stealth AR-15 Carbine Recoil Spring Assembly

Armaspec Gen 3 SMB H2 Sound Mitigation AR-15 Carbine Buffer Kit

Armaspec Gen 3 SMB H Sound Mitigation AR-15 Carbine Buffer Kit