Aero Precision .875" Adjustable Low Profile Gas Block

The Aero Precision .875" Adjustable Low Profile Gas Block lets you to dial in just the right amount of recoil by finely tuning your AR-15 gas system so you can win competitions, avoid gas blowback in your face with suppressed firearms and overall, have more control over your shooting. This low profile gas block fits under most slim style handguards and weighs and weighs only 1.4 oz. Fifteen gas settings are easily dialed in with with an audible "click" using a stainless steel gas adjustment screw. The package includes a 6-inch long 3/32" adjustment wrench. If you are building your own AR-15, you'll appreciate the user-serviceable design of Aero's .875” adjustable gas block. 

Please note: Aero Precision does not recommend using red threadlocker on the set screws. Do not use threadlocker on the gas block adjustment screw. If you must use threadlocker on the set screws, Aero suggests using the non-permanent variety.

AGAIN: DO NOT USE THREADLOCKER ON THE GAS BLOCK ADJUSTMENT SCREW.

Features:

• Weight: 1.4 oz
• Machined from 4140 steel
• Nitride coated
• Compatible with barrels using a .875 gas block journal
• Attaches to barrel via 10-32 x 3/16 knurled set screws
• Made in the U.S.A.

Reliability is job number one. Aero helps prevent carbon locking by sending fouling to a dedicated, sacrificial chamber. You can put solvent in the chamber if locking ever occurs. Durability is important with the pressures a gas block is expected to contain. Aero's is machined from 4140 steel, the same steel used in barrels, bolts and other high stress items. This gas block is nitrided for a long-lasting, heavy-duty finish.