Otter Creek Labs OPS/AE P.T.B. Adapter (Gen 2)
The Otter Creek Labs OPS/AE P.T.B. Adapter (Gen 2) is a one-piece Past-The-Barrel (PTB) adapter for the 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 1/2×28 barrel that the O.T.B. adapter will not. Barrels with a OD larger than .75 or less than 2.95 inches of exposed barrel. This mount will add 2.90 to your overall system length. Made with integrated wrench flats for easy installation or removal with any adjustable crescent wrench.
Mounting requirements for OTB adapter:
- 1/2×28 barrel threads