Gas Block, Adjustable, Low Profile, .875, Clamp On, SLR Sentry

Sentry .875"  Clamp On Version - Melonite Finish

- 100% Gas seal allows full cut off and prevents gas from fouling metering screw

- Complete disassembly is simple and take less than 10 seconds
- Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver
- Single tool click to adjust gas metering
- Melonite finished 4140 Precision machined gas block
- Melonite finished 4140 Nexturn Swiss precision metering screw
-  Proprietary Alloy Flat Spring with 1400deg temper
- Melonite finished 316 SS detent plunger
- NO tiny springs to corrode, break or seize / NO tiny ball to seize or get lost
- Tool, roll pin and mounting screws included