New customer? Click here to login or create an account.  Click to Sign In
CMMG Sierra .22 LR 16 inch Upper with Low Profile Railed Gas Block, Optic Ready
ImportantPlease Note
We're sorry, but this product is no longer available.

Please click here to be notified by email if this product becomes available.
Manufacturer: CMMG, Inc. 22B7C16
Item: 9-61929
UPC: 815835010557

The M4LEP .22 Caliber AR-15 upper maintains compatibility with all the same parts and accessories that fit your full caliber AR's, including the lower receiver. Comes with non-functional forward assist plug. May be upgraded to fully functional forward assist by upgrade below. Upgrade includes stainless steel forward assist equipped action with Mil-Spec Forward Assist. - Black Phosphated .22LR Action - 16 inch W.A.S.P. steel barrel - 1:16 inch twist - Mil-Spec 1/2x28 threaded muzzle - Carbon Steel Barrel - Live Round Extraction - Anti-Jam Charging Handle - Firing Pin retained by standard AR15/M16 Cotter pin - Mil-Spec M4 Receiver with Ceramic Finish - Gas Deflector - Receiver Height Single Rail Gas Block - A1 Flash Hider UPPER DOES NOT INCLUDE MAGAZINE

Can we ship this to you?

City: State:

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.
Was this review helpful to you? 
© 2014 Copyright, entire contents by CTD, Inc.
Cheaper Than Dirt! is a registered trademark of Direct Investments, Ltd. All Rights Reserved

This website is best viewed with Internet Explorer 8.0 and FireFox 15.0 with a screen resolution of 1024 x 768 or higher.
CMMG Sierra .22 LR 16 inch Upper with Low Profile Railed Gas Block, Optic Ready
CMMG Sierra .22 LR 16 inch Upper with Low Profile Railed Gas Block, Optic Ready