Sentry .875" Set Screw Version - Melonite Finish
- .400" Set Screw Spacing
- 1.8 oz
Features:
- 15-position adjustability from 0 - 0.125" port opening
- Metering screw and screw bore design allow repeatability and reliability that only SLR has been able to deliver
- Single tool click to adjust gas metering
- Melonite finish 4140 Precision machined gas block
- Melonite finish 4140 Nexturn Swiss precision metering screw
- Stamped Alloy Flat Spring with 1400° temper
- Melonite finish 4140 detent plunger
- USES STANDARD GAS TUBE
- Tool, roll pin, and mounting screws included
Note- Needs 1.35" Minimum ID HG (SLR Ion/ Helix HG's OK)