MB-1316R solvent Trap adapter for AR, External Thread - 13/
1. Oil filter Adapter, Internal Thread 1/2-28, External Thread 13/16-16
2. One adapter to connect an oil filter working as a solvent Trap when you separate the muzzle body part.
3. also connect with a cover part using as a commen muzzle brake when take off the oil filter.
4. CNC Machining, Steel, Black.
More internal threads adapter are available at www.tufforce.bit for retail sales.