OPS/AE O.T.B. Adapter

One piece Over The Barrel (OTB) adapter for ops inc 12th model, AEM5 and OCM5. Made from H900 heat treated 17-4 steel this one piece adapter will allow you to mount your silencer to any barrel with 1/2×28 threads that is .75 OD or less with a minimum of 2.95-3 inches of exposed barrel. Made with integrated wrench flats in the rear for easy installation or removal with any adjustable crescent wrench.

This adapter will work on 11.5 inch AR15 barrels when a low profile gas block is being used, will not work with a front sight gas block on 11.5 inch barrel.

Mounting requirements for OTB adapter

• 1/2×28 barrel threads
  OD of 0.75” or less
  2.95” of exposed barrel

If you are not satisfied with your purchase or purchased the wrong item by mistake, you can return the product and get a refund with a 10% restocking/processing fee applied if Otter Creek Labs sees fit depending on the situation and attitude of the customer.

We typically will not charge a 10% restocking fee unless you’re a dick. You can return a product for up to 15 days from the date you received it.

Any product you return must be in the same condition you received it, unused, in the original packaging with any stickers, etc. returned with the item. Failure to meet any of these will result in the item being sent back to you and no refund being given.

Please use our contact page to notify us about the return.