Quick view Otter Creek Labs Ocl Ops/ae P.t.b. Adptr Raw Heat Trt $84.29 One piece Past The Barrel (PTB) adapter for ops inc 12th model, AEM5 and OCM5. Made from H900 heat treated 17-4 steel this one piece mount will allow you to mount your silencer to any 1/2x28 barrel... Compare Add to Cart
Quick view Otter Creek Labs Ocl M4 Collar Raw Heat Treat $43.18 Locating collar for M4 spec barrels and ops inc 12th model, AEM5 and OCM5. Made from H900 heat treated 17-4 steel with a Raw Heat Treat Gold finish.Features :Raw Heat Treat Gold Finish17-4... Compare Add to Cart