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Kaw Valley Precision Blow Back Bolt Carrier Group (BCG)
As Low As $139.95 Save Up to $15.00
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Most Helpful Positive Review I’d buy another
Purchased this bcg for my Aero Precision EPC-9 build because every site was sold out of AP bcg. So I went with Kaw Valley. People sleep on Kaw Valley because you really don’t hear their name out there but every product I have from them works. The finish on the bcg was super clean and slick. Screws were stacked perfectly. I cleaned it up, put some rem oil on it and popped it into my build. I ran a couple of different mags with different ammo, and my only issue came when I was using sig sauer JHP white box. I think those rounds are slightly smaller than normal and couldn’t feed into my ramp but ...
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Works as expected

by Rott, Verified Owner from AR, United States Written on April 14, 2026
Looks nice and runs great. Has met my expectations so far.
Pros:
  • Slick finish
Cons:
  • na
Best Used for:
  • AR9/PCC
Would recommend: Yes
Was it helpful to you? Yes | No

Good value

by Fernando, Verified Owner from CA, United States Written on April 14, 2026
Watch blowback9’s review of various bcg’s and he will show how many of them are probably made by he same manufacturer and then sold by various brands. Anyways, this one is on the list and a great value when you combine it with a OP coupon and free shipping!
Would recommend: Yes
Was it helpful to you? Yes | No

Great with super safety.

by Rdanger., Verified Owner from AL, United States Written on March 12, 2026
Great bolt runs smoothly no issues with super safety. I did have to modify the weight but easy to punch out roll pin and slide out weight. I just cut It straight and reinstalled it. I am running it with the Kaw Valley 10oz dead blow buffer.
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Nice bolt.

by Rdanger., Verified Owner from AL, United States Written on March 3, 2026
Nice bolt runs excellent and was packaged very nice.
Would recommend: Yes
Was it helpful to you? Yes | No

AR9 SBR Build

by GreenLight, Verified Owner from CO, United States Written on January 31, 2026
Bought this bolt to try in a 5.5” suppressed AR9 SBR upper build using a DTT FRT and the Gentle Recoil System buffer set up (blowback9.com). Ran with no issues. Bought a second one for an 8” build, it ran too. I would recommend it.
Would recommend: Yes
1 of 1 found the following review helpful.
Was it helpful to you? Yes | No

Blow Back Bolt

by GreenLight, Verified Owner from CO, United States Written on January 21, 2026
Use this 9mm Bolt in an AR( (SBR) build with a Kaw Valley Precision 9mm Barrel and the “Gentle Recoil System”
Pros:
  • Enhanced feed cone and fit
Cons:
  • 1/2-36 threaded muzzle threads
Best Used for:
  • AR9 pistol or SBR builds
Would recommend: Yes
Was it helpful to you? Yes | No

Great quality bolt

by Frankie Santillan, from ID, United States Written on October 21, 2025
Cycles perfectly. I'm only around 100 rounds in but zero issues so far
Would recommend: Yes
Was it helpful to you? Yes | No

quality product, but had extraction and feed issues

by Owen, Verified Owner from PA, United States Written on September 3, 2025
The part itself Is quality made and machined. I matched it with a heavy buffer from the same manufacturer. I did have feed and extraction issues however, Which is disappointing given the reviews of how well this works for other folks. I tried using it with a Sylvan arms adapter as well as the exomag magazines, as I was not using a dedicated 9 mm lower. I suspect that it had to do with the barrel not being an enhanced feed ramp, and that an EPC style barrel may have helped. I was using a PCC upper receiver without any dust cover.
Would recommend: No
0 of 1 found the following review helpful.
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Kaw Valley

by P. Lock., Verified Owner from MD, United States Written on July 20, 2025
Another Quality product from Kaw Valley . Complimented a 9 mm Aero /BA build. Ran great on last build. Like 10 th product that has not let me down.
Would recommend: Yes
Was it helpful to you? Yes | No

Great value

by Malcom, Verified Owner from MO, United States Written on April 25, 2025
Good price for a top quality product. Well made and dependable. Would recommend if you're building a 9mm AR platform
Would recommend: Yes
Was it helpful to you? Yes | No
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Last updated 2025-11-12 UTC.