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CMMG AR-15 Complete Upper Receiver .22LR 16" M4 Profile Barrel Carbine Length Polymer Handguard Railed Gas Block Phosphate Coated Bolt Group Black 22B7C16
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Brand: CMMG, Inc. 22B7C16
Item: 9-61929
UPC: 815835010557

CMMG is a leading manufacturer of AR-15 and AR-15 related accessories. CMMG's commitment to quality and creating product at the best value at the best price is unmatched. This complete upper receiver is designed to connect seamlessly with your existing AR-15 or AR-15 pattern lower receiver. For your convenience, a bolt carrier group is included and everything on this complete unit features a matte black finish.

Specifications and Features:
CMMG Complete Upper Receiver 22B7C16
.22 Long Rifle
16" M4 profile WASP treated 4140 chrome-moly steel barrel
1:16" Twist rate
Carbine length handguard
Polymer handguard
Receiver height railed gas block
Flash hider
Phosphate coated .22 bolt group
Matte black finish


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Customer Reviews

Most Helpful Customer Reviews

0 of 0 people found the following review helpful
1.0 Rating Save your money on this - 12/2/2012
Reviewer: Barry 17870
First I would like to thank cheaper than dirt for offering no hassle returns on their products that you are not happy with. I purchased the CMMG AR15 22 Upper Item # 9-61929 CMMG Sierra .22 LR 16 inch upper with Low Profile Railed Gas Block, Optic Ready. I mounted it on my COLT LE6920 AR223 lower that with over 1000 rounds through it that has worked like a fine Swiss watch. Not one problem. I used the ammo recommended by CMMGs Web site in my new upper. My first trip to the range almost made me cry. I was unable to fire more than 8 rounds without a FAILURE TO FIRE. Most times, it was 3 or 4 rounds and on several occasions, one shot after another did not fire. I had over 40 failures to fires in 200 rounds. I immediately contacted Cheaper Than Dirt and CMMG for assistance via e-mail. Both responded within hours of my e-mails. As instructed, I contacted Jason at CMMG via telephone and he was very polite and concerned. He stated that the .22 LR upper with the stock BOLT CARRIER had to be run wet for best performance, but for a fee, he would upgrade my upper and make it work better with a stainless steel bolt carrier. I thought to myself "if you know this is what is needed to make this work well for the consumer, why sell something that doesn’t work?" To sell you an upgrade, I guess. I did as he suggested and cleaned the bolt carrier and put more oil on it than I have in my car (that’s a joke but I loaded it with oil). My next trip to the range was as bad as the first. I fired the first 5 shots with no problem, then BAM! FAILURE TO FIRE AFTER FAILURE TO FIRE. 300 rounds and 50 plus FAILURES TO FIRE. During this trip, I used some information that I had found doing research on FAILURE TO FIRE WITH THE CMMG UPPER and found that as a normal problem, the FIRING PIN WAS NOT EVEN MAKING A DENT ON THE SHELL CASING. One post suggested that I try firing it without the firing pin spring and that could take care of the problem. IT DIDN’T. I was sickened by its performance and contacted Cheaper Than Dirt. They said return it for a full refund. After all of this, I suggest you save yourself some time, money, and aggravation and maybe buy a dedicated AR to shoot .22 LR ammo. I rate this item a one because they don’t have a ZERO for this item.
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CMMG AR-15 Complete Upper Receiver .22LR 16 M4 Profile Barrel Carbine Length Polymer Handguard Railed Gas Block Phosphate Coated Bolt Group Black 22B7C16
CMMG AR-15 Complete Upper Receiver .22LR 16 M4 Profile Barrel Carbine Length Polymer Handguard Railed Gas Block Phosphate Coated Bolt Group Black 22B7C16
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