SLR Rifleworks: Sentry 8 Set Screw Adjustable Gas Block

Overview

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 1400deg 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) | SLR Rifleworks: Sentry 8 Set Screw Adjustable Gas Block