Product Description
9/16-18 muzzle thread Adapter
seen on some 30 caliber barrels
SPECS
- External Thread: 5/8-24
- Internal Threads: 9/16-18
- About 0.380 through hole
- Length: 1.4"
- OD: 0.74"
- Made from 4140 chromolly steel
- Blued Finish
Always ensure that there is clearance for your projectile size in the muzzle device that you are using!