Stock Status: SLR Rifleworks Sentry 8 Set Screw Adjustable Gas Block - .875
- .400" Set Screw Spacing
- Gen 4
- US PATENT NO. 9,410,756
- 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 finshed 316 SS detent plunger
- NO tiny springs to corrode, break or seize / NO tiny ball to seize or get lost
- USES STANDARD GAS TUBE
- Tool, roll pin and mounting screws included
