The Spike’s Tactical Micro Gas Block sized for a .625-inch barrel journal (brand part number SUGB110) is a low-profile AR-15 gas block built from billet steel and finished in black nitride for corrosion resistance. Spike’s Tactical uses a double set-screw design to lock the block securely to the barrel without relying on a single point of tension, and the kit ships complete with the mounting screws needed for installation.

Key Specifications

• Machined from billet steel for strength and durability.
• Finished in black nitride for corrosion resistance.
• Sized for a .625-inch barrel gas journal.
• Uses a double set-screw design to lock securely onto the barrel.
• Ships complete with mounting screws included.
• Built to a low-profile height to fit under most free-float handguards.

Frequently Asked Questions

Does this gas block include the mounting hardware? Yes, it ships complete with the mounting screws needed for installation.

What barrel journal size does this fit? A .625-inch gas journal; verify your barrel’s journal diameter before ordering, since Spike’s offers this block in multiple sizes.

Buy the Spike’s Tactical Micro Gas Block, .625, with Screws

Add a durable, low-profile gas block to your build. Order the Spike’s Tactical Micro Gas Block (.625) from our Lubbock, Texas gun shop for fast, insured shipping and complete your AR-15 gas system upgrade.