SLR Rifleworks Sentry 7 Clamp On Adjustable Gas Block

Sentry .750″ Clamp On Version – Melonite QPQ Finish

1.3 oz

US PATENT NO. 9,410,756

– 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
– Stamped Alloy Flat Spring with 1400deg temper
– Melonite finish 4140 detent plunger
– USES STANDARD GAS TUBE

– Tool, roll pin and mounting screws included

NOTE- If using underneath 1.3″ ID HGs we recommend using a set screw block.  Will work with 1.35″ ID HGs