CMMG AR15 Carbine Receiver Extension and Stock Kit

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Ratings Snapshot

4.5

out of 5

5 (6)

4 (3)

3 (1)

2 (0)

1 (0)

Would recommend this product.

100%

SKU: 222-CMMG-55CA634
UPC: 815835012629

This AR15 Stock Kit is a decent product, and thoughtful to include the take-down pin retainer and spring along with buffer retainer and spring omitted by some suppliers. Some vendors notch a slight v in buffer tube to allow one more turn of buffer tube for a much better retainer bite. I elected to leave as delivered though felt the retention was barely adequate without modification. Time will tell if adequate.

I gave this item a 4 due to it being about 3/4 inch shorter in full extended position compared to my very similar DPMS stock. I was expecting it to be the same length. For a smaller person it could very well be perfect. I'd compare LOP before ordering. Functions as it should otherwise.

Installed this on my ar-15 lower. This was my first AR build. Install was fairly simple. Everything functions well. It's mil-spec so nothing fancy and no bells and whistles but it works fine and gets the job done. Sometimes when sliding between two positions I find it doesn't always want to "click" right into the next hole but once you get it to lock in it's definitely there. And it's not like I need to change my length of pull every time I shoot anyway. Used so far with a 6.5 Grendel upper and held up well. No problems.

I have used this stock for custom built AR-15 type rifles. The 6 positions makes the LOP adjustable enough to accommodate my small grandchildren and men larger than my average size. Installation is easy.

This is a good value for your buck. It is basic, no frills, feels like a service rifle option. It's isn't the anything-est (tightest, loosest, etc.) , it's just a tried and true design for a reasonable cost.

The unit arrived in good condition and as advertised. It installed easily and works well. Two minor issues I have with the product is the sling mount at the bottom does not swivel and when the ar stock is fully extended there is just the tiniest bit of play in it. However I fell that the item was worth the money for my use.

I'm building a Mil-spec Colt Commando and needed the correct stock. This kit came with all the parts including buffer tube, spring, buffer, castle nut, receiver end plate, and M4 stock. All pieces went together easily and fit the lower exactly.

Got this stock to finish an AR build. Overall it functions well and the buffer tube/buffer installed without an issue. The buttstock itself, which came pre-mounted on the buffer tube, has a little more play than I would like but not enough to make me swap it out. I would buy again for a basic build.

For a basic build this AR15 stock is ok it does not have the fit or finish of the brands but it does not have the price either.

Very easy install and functions as I expected. Other reviews expressed that it is a bit sloppy. I agree, it is but, not to the point that I would complain for the price. Finish is pretty ok. Could be better, could be worse. All in all, for the price, I'm happy with it.