- Fits barrels with .625 OD
- Constructed from 4150 hardened steel
- Phosphate coating
- Low profile for easy fitment
- Set Screwsare Steel 10-32 x 3/16 Knurled Cup Point
- Made in the USA
- Roll pin not included
Please Note: We do not recommend the use of red thread locker on the threads of the set Screws If you decide to use thread locker we recommend using the non permanent variety.