Troy's .875 Low Profile Gas Block is made specifically for bull barrel rifles that have a 0.875 gas block seat and Armalite 0.308 heavy barrel and other calibers. Machined from 4140 pre-hardened steel finished with MIL-STD Manganese Phosphate. Gas tube roll pin not included.
Features :
Features :
- 4140 Pre-Hardened Steel
- Manganese Phosphate Finish
- Low Profile