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Maxim Defense Industries Carbine RDB Roller Delayed Blowback System
Aero Precision AR-15/M4 Carbine Buffer Kit, No Stock, H2 Buffer
Aero Precision AR-15/M4 Carbine Buffer Kit, No Stock, H Buffer
Discount Mil-Spec Carbine Buffer / Receiver Extension Kit
Dirty Bird AR-15 Enhanced Mil-Spec Carbine Receiver Extension / Buffer Kit
Trinity Force H2 SBA Recoil Spring
Dirty Bird AR-10 / LR-.308 Carbine Receiver Extension / Buffer Kit
NBS AR-15 .223/5.56 A2 Style Mil-Spec Buffer / Receiver Extension Kit
KAK Shockwave Pistol Buffer Kit
Aero Precision M5 .308 Enhanced Carbine Buffer Kit
Aero Precision AR-15 Enhanced Carbine Buffer Kit w/ Carbine Buffer
NBS Mil-Spec Carbine Buffer Kit
Aero Precision AR-15 Carbine Buffer Kit w/H3 Buffer
Aero Precision AR-15 Enhanced Buffer Kit w/ H2 Buffer
NBS Mil-Spec Enhanced Carbine Buffer Kit
Aero Precision AR-15 Enhanced Pistol Buffer Kit
Trinity Force Pistol Buffer / Receiver Extension Kit
Aero Precision M5 (.308) Carbine Buffer Kit, No Stock
Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo
Trinity Force .308 SBA Recoil Spring
Dirty Bird Enhanced PCC (9mm / .45) Receiver Extension / Buffer Kit
BCM AR-15 Receiver Extension / Buffer Kit
Dirty Bird AR-15 True Mil-Spec Carbine Receiver Extension / Buffer Kit
Aero Precision AR-15 Enhanced Buffer Kit w/ H3 Buffer