M&P 15-22 thread adapter for non threaded barrels. Easily turn your non threaded barrel into threaded barrel with the standard 1/2 X 28 threaded end. Adpater mounts to the barrel with a set screw. Made from A311 StressProof Steel for a lifetime of durability.
These adapters are a must if your using one of our shrouds on a non threaded barrel.
Perfect fit. Great service. I attached my suppressor for a day at the range....So happy now. Would buy from again and again.