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SLR Rifleworks Sentry 7 Clamp On Adjustable Gas Block - .750
- Gen-4
- 1.3oz
- 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 QPQ Finish 4140 Precision machined gas block
- Melonite finish 4140 Nexturn Swiss precision metering screw
- Proprietary Alloy Flat Spring with 1400deg temper
- Melonite finsh 4140 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
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Works great. 
