Lower Parts - Buffer Kits, LPKs

Breek Arms

Mil-Spec Lower Parts Kit for Ar-15 w/ Aluminum Enlarged Trigger Guard

Breek Arms

AR-15 Carbine Buffer Tube Assembly Mil Spec Diameter - 6 Position Buffer Tube, End Plate, Castle Nut, 3 oz Buffer, & Spring

Breek Arms

AR-10/LR308 Carbine Length Buffer Tube Assembly Mil Spec Diameter - 6 Position Buffer Tube, End Plate, Castle Nut, Buffer, & Carbine Length Spring

Breek Arms

AR-10 9" Pistol Buffer Tube Assembly 1.175" Diameter - Pistol Buffer Tube, End Plate, Castle Nut, 3.6 oz Buffer, & Spring

Breek Arms

AR-15 9" Pistol Buffer Tube Assembly 1.175" Diameter - Pistol Buffer Tube, End Plate, Castle Nut, 3 oz Buffer, & Spring

Breek Arms

AR-15 Rifle Length Buffer Tube Assembly Mil Spec Diameter - Rifle Buffer Tube, 5.2 oz Buffer, & Rifle Length Spring

Breek Arms

AR-10/LR308 Rifle Length Buffer Tube Assembly Mil Spec Diameter - For Rifle Buffer Tube, 5.4 oz Buffer, & Rifle Length Spring

Breek Arms

Pistol Buffer Tube 9" length OD 1.17" Black

Breek Arms

Carbine Buffer Spring for AR-15, Standard Power