.875 Steel Micro Gas Block

This .875 Steel Micro Gas block is a low profile steel gas block that fits all M4 Carbines and M16A2 – A3 and A4 rifles with .875 barrels. Replaces front sight and requires 10″ or longer free float handguard for enhanced reliability. This gas block is made by Trinity Force for J-5 Tactical and works perfectly with one of J-5 Tactical Supply’s gas tubes. Don’t forget to pick one up.

Low Profile version is a low and narrow, one-piece block designed to fit inside most free-float handguards; allows use of rifle length forearms on carbine length barrels for a clean, streamlined look and added gripping surface. Secures to barrel with included setscrews.

All-steel gas blocks expand the versatility of your rifle by providing a variety of accessory rail and handguard mounting options. Especially helpful in customizing short-barrelled tactical rifles.

For your safety, J-5 Tactical recommends this part be installed by a competent, qualified gunsmith/installer with an understanding of the weapon platform that the part is being installed on. Always make sure the firearm is unloaded and pointed in a safe direction when working.