ERGO GRIPS
308 AR ARMORERS BLOCK

874748005548 573000088

Description
Ratings (3)

This is one of the most useful maintenance accessories available for an AR-10. Simply bolt or clamp securely to a bench or other work surface, place an AR 308 rifle onto the block inside the magazine well, and the rifle is held in place for cleaning, maintenance, or storage. 1-piece glass filled polymer design Fits rifles that use SR-25 pattern magazines Weight: .7oz 6-1/8" tall x 2" long(at the base) x 4-1/4" wide (at the base) 1/4" mounting holes

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Customer ratings for ERGO GRIPS 308 AR ARMORERS BLOCK

Number of ratings: 3
From brownells.com: 3
Average rating: 3

Much stronger than pivoting types (27/12/2015)

After breaking two of the pivoting types of these I purchased this. I have had no problems removing and installing muzzle devices, removing or tightening castle nuts on receiver extensions, or performing any other types of work using this. I simply screwed it to my work bench. I works with the lower receiver right side up or upside down which makes installing grip screws easier.

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Not for a POF 308! (24/06/2016)

If your rifle uses MagPul P-MAgs then this block will be real sloppy and a block of wood wrapped with Gorilla tape would be better.

The block measures: 2.93 X 1.029. If you add 2 wraps of Duct Tape it will work: but if it were made properly, that would not be necessary. Block needs to be at least: 3.00X 1.00; and preferably 3.07X1,06 for a snug fit.

Needless to say I'm returning the block.

if the dimensions on the BROWNELLS - 308 AR LOWER RECEIVER VISE BLOCK 080-000-494WB are correct, it should fit perfectly for MagPul .308 P-Mag users.

Machinist, Gunsmith, Mechanic, Shooter for over 65 years, disabled Navy Vet..

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Borderline useless !! (04/02/2017)

Block sits loose and sloppy in my XCR-M, barely clicks into the mag release latch.

When upper is unpinned, the lower receiver falls down passed the mag release latch and the block jams up inside the magwell.

I'm considering taking a magazine and welding it to a piece of steel, which makes this block a paper weight. Would have sent it back if it weren't only $20 USD

Read 3 more ratings on brownells.com

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Product no.: 573000088
ERGO GRIPS 308 AR ARMORERS BLOCK
Mfr Part: 4989 874748005548 This is one of the most useful maintenance accessories available for an AR-10. Simply bolt or clamp securely to a bench or other work surface, place an AR 308 rifle onto the block inside the magazine well, and the rifle is held in place for cleaning, maintenance, or storage. 1-piece glass filled polymer design Fits rifles that use SR-25 pattern magazines Weight: .7oz 6-1/8" tall x 2" long(at the base) x 4-1/4" wide (at the base) 1/4" mounting holes

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Specs: Make: AR .308

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Top takeaways

The ERGO GRIPS 308 AR Armorer's Block is a highly useful tool for securely holding an AR-10 for cleaning, maintenance, or storage.
It is designed to fit rifles that use SR-25 pattern magazines and is made from a 1-piece glass filled polymer.
The block measures 6-1/8" tall, 2" long at the base, and 4-1/4" wide at the base, with a weight of .7oz and includes 1/4" mounting holes for bench attachment.