SLR Rifleworks: Sentry 9 Set Screw Adjustable Gas Block

Overview

Sentry.936" Set Screw Version - Melonite QPQ Finish.400" Set Screw Spacing. 1.8 oz. Features: 15-position adjustability from 0 - 0.125" port opening. 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 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 Minimum 1.4" ID Handguard if going underneath | SLR Rifleworks: Sentry 9 Set Screw Adjustable Gas Block