AT3 Tactical Flat Wire AR-15 Buffer Spring

Strike Industries AR Carbine Flat Wire Spring

Strike Industries Flat Wire Buffer Spring for AR-15 Carbine

The GWOT DOC Rifle Premium AR15, .223/5.56

Everything You Should Know About AR Buffer Springs

Guide for Choosing Buffers, Buffer Tubes, and Buffer Springs - AR

The Triad DOC, 300BLK SBR, MD-15 AR Rifle

Recoil Springs

AT3 Tactical AR-15 Buffer Tube Parts, Buffers

Digital Trigger Technologies Extra Power Buffer Spring