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Jacob Grey Firearms 9mm Bolt Carrier Group (BCG)s
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Very good BCG

by Question-asker, Verified Owner from VA, United States Written on December 19, 2023
I have never had a single feeding issue across about 500 rounds, this barrel in an EPC9 performs very well. Rear weight can be removed exposing a standard sized hole in the rear side of the bolt carrier group.
Would recommend: Yes
Was it helpful to you? Yes | No

jacob gray 9mm bolt carrier

by Jon Park, Verified Owner from FL, United States Written on December 5, 2023
Fits the Aero upper I bought perfectly! No issue with cycling between rounds and last round held open works as well! Well made, flawless!
Would recommend: Yes
Was it helpful to you? Yes | No

Sleeper...wasn't familar with this company but this thing is great!

by Hans47, Verified Owner from KY, United States Written on August 14, 2023
Honestly had not heard of this company before. I researched them and they looked like a well equipped shop with the machinery to do great work. Man, am I glad I took a chance on this thing. I am totally impressed with the quality and its perfect functioning. Its clearly well made and finished. I put his in a KE Arms KP-9 Glock magazine polymer lower build. (Standard AR trigger parts). I ran two different 9mm uppers on it. I used a mix of Glock and Brand-X Glock style magazines (Korean stuff). I ran it with six different 9mm loads both factory and reloads. 100% perfect functioning with everything I tried it with.
I would highly recommend this bolt to anyone. I can't believe other companies charge twice as much for their bolts. Perfect is perfect, paying more won't get you anything better than this.
Pros:
  • price construction quality
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

Sleeper...wasn't familar with this company but this thing is great!

by Hans47, Verified Owner from KY, United States Written on August 14, 2023
Honestly had not heard of this company before. I researched them and they looked like a well equipped shop with the machinery to do great work. Man, am I glad I took a chance on this thing. I am totally impressed with the quality and its perfect functioning. Its clearly well made and finished. I put his in a KE Arms KP-9 Glock magazine polymer lower build. (Standard AR trigger parts). I ran two different 9mm uppers on it. I used a mix of Glock and Brand-X Glock style magazines (Korean stuff). I ran it with six different 9mm loads both factory and reloads. 100% perfect functioning with everything I tried it with.
I would highly recommend this bolt to anyone. I can't believe other companies charge twice as much for their bolts. Perfect is perfect, paying more won't get you anything better than this.
Pros:
  • price construction quality
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No
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