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AR-15 BROWNELLS WRENCHMAN® PRECISION HANDGUARDS M-LOK Reviews & Ratings

Looking to squeeze the most accuracy possible out of your AR-15? The Brownells AR-15 Precision M-LOK Handguards are purpose-built from the ground up to get you the most out of your match rifle, all at a price you can afford. The key to the rigidity of each Brownells AR-15 Precision M-LOK Handguard is the use of a massive, precision barrel nut machined from solid steel. The nut measures 2.5 inches wide, providing an incredibly solid mounting surface for the handguard, which helps to reduce vibration and flexing. To help with mounting, the nut doesn't require any kind of specialized tool, and an included timing tool helps to ensure that the Picatinny rail running along the top of the handguard is aligned perfectly with your rifle's receiver.

Internal diameter: 1.25 inches
Weight: 14.96 or 16.62 ounces
All-black finish

Each Precision M-LOK Handguard secures solidly to the barrel nut with three mounting bolts with the prevision to add an ARCA-Swiss adapter located just underneath the barrel nut.

Note: ARCA-Swiss adapter requires 8-32 x 5/16” socket head cap screw (McMaster Carr reference 91251A191) – 4 screws per mount.

See all of our AR15s and AR15 parts here.

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A Nice Looking and Easy to Install

The installation of the handguard was easy. I followed the steps shown in the Brownells video. I like its looks on my AR. The handguard is well made. I downgraded one star and checked Flimsy Design on the 'Cons' because I think the alignment tool is flimsy. It did not want to seat properly on the barrel nut nor the front end of the picatinny rail. It appeared that the profile of the picatinny rail did not match the alignment tool. A little care with the wrench on the barrel nut and the alignment came out good without that tool. I think the alignment tool would work a little better if it encompassed the entire circumference of the barrel nut.

Nice hand guard at a nice price

It went on easy. It looks great. Only thing I would add is integral quick disconnect sling mounts.

Solid Handguard for $110-120

Solid handguard, very nice barrel nut/attachment system and extremely rigid/sturdy, as advertised. Only gripe: would like a couple extra QD slots.. Comparable to Midwest industries Gen III or Atlas R-one from aero - but has an Arca-Swiss attachment. Owning both of those handguards, I can say the barrel nut is better: more rigidity in handguard + no need for Armorers wrench (great for someone just starting out building).

Don't Bother

The 15 inch one worked and looked great until the barrell nut split when moving to a different AR. Wasn't even torqued to spec when it broke. This is made by someone else for Brownells and getting a replacement nut was impossible.