SLR SENTRY ADJUSTABLE GAS BLOCK, .875, SET SCREW, MELONITE

Sentry .875″ Set Screw Version – Melonite Finish

.400″ Set Screw Spacing

1.8 oz

US PATENT NO. 9,410,756

– 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
– Proprietary 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)