Description This flat washer helps retain the LM4 PTR outer barrel, and appears on LM4 PTR diagrams as part 6.
Quick view KWA LM4 PTR Bolt Base O-Ring, Large Part #191 199-3001-0191 MSRP: Was: Now: $4.45 Choose Options
Quick view KWA LM4 PTR Hop Up Inner Barrel Clamp, Part #5 199-3001-0005 MSRP: Was: Now: $4.75 Choose Options
Quick view KWA LM4 PTR Bolt Base Return Spring Assembly, Part #76s, 37, 189, 203 199-3001-0076S MSRP: Was: Now: $11.95 Choose Options