SLR Rifleworks, Sentry 8 Adjustable Gas Block, Clamp-On, Melonite QPQ, 0.875

Sentry .875" Clamp On Version - Melonite Finish

FEATURES

• 15-position adjustability from 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
• Proprietary Alloy Flat Spring with 1400deg temper
• Melonite finish 4140 detent plunger
• USES STANDARD GAS TUBE
• Tool, roll pin and mounting screws included