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JP Enterprises Enhanced Bolt Assembly
As Low As $125.35 Save Up to $7.50
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Most Helpful Positive Review Superior bolt fixed ejection problems
I recently completed an AR-10 build and while I was happy with the accuracy of my build I had ejection problems that led to double feeds approximately 20% of the time. I tried different magazines but that didn’t help. Then I purchased the JP enterprises enhanced bolt assembly which dropped into my current BCG without an issue and instantly fixed my ejection and double feed problems. I am very pleased with this product and would recommend it to anyone who is having the common ejection problem with their AR-10.
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Best AR15 Bolt Period!

by NATHAN CUNNINGHAM, Verified Owner from PA, United States Written on May 31, 2025
This is my 3rd JP Enhanced DLC Bolt for 223/556. These are the best quality, machined, and DLC coated bolts ive come across. Even Chad from SOTAR does a full bolt teardown and says their basically machined perfect and the DLC coating is also some of the best hes seen. These are the easiest coatings to clean and nothing sticks to it. Theses bolts are Enhanced and beefed up in multiple areas. The 2 bolts ive been using the one has about 800rnds and the other 1200rnds and honestly they bearly show any wear. If you want the best these are it and I can usually get them off OP for $110-$120 which is $30-40 cheaper than most places.
Pros:
  • DLC coating
  • Design & Build
  • Enhanced bolt design
Cons:
  • Cost (but I call that quality)
Best Used for:
  • AR15 platform
Would recommend: Yes
1 of 1 found the following review helpful.
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Review of JP Enterprises Enhanced Bolt Assembly

by Vinny, Verified Owner from MI, United States Written on April 18, 2025
Works great! Very good quality product. Priced as such but quality costs money. Optics planet is one of few sites that handle a great selection of JP Products.
Would recommend: Yes
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Awesome Bolt

by Clint, Verified Owner from CO, United States Written on May 31, 2024
Really well finished and nice tolerances. This is my go-to bolt for any new builds.
Would recommend: Yes
1 of 1 found the following review helpful.
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Great as expected!

by Rick, Verified Owner from CA, United States Written on May 15, 2024
Just as the other JP Enterprises, this product is great! It fit right into the carrier in which it is installed. I tested it in a couple different carriers, and it fit. The plan is for it to go into my Lantac Enhanced, as soon as I get around to assembling the upper.
The current barrel / bolt combo is a Faxon barrel / Bear Creek side charging upper. It passed headspace gauge inspection when I swapped it into the BCA carrier.
This bolt is reliable so far, and upon detailed visual and mic inspections, it is of quality worthy of the name JP.
Highly recommended! Oh, and I bought another one for my next project, which is a 22ARC, as soon as Faxon gets the barrels in stock �
Would recommend: Yes
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Worth the money

by Bucky6604, from MN, United States Written on January 12, 2024
I tried buying a cheaper bcg for my 6 arc build. Needless to say I bought this bolt after the other was causing failure to feeds as well as other issues. Spent the money on the bolt I should have bought in the first place. No issues. JP is where it’s at.
Would recommend: Yes
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.300 BlK PDW

by J.A.G, from TX, United States Written on September 24, 2023
I chose those for a .300 blk pdw build. This was bolt has to be one of the best bolts on the market and if you’re a gunner, you know the other one. Super slick, smooth and strong. I have it mated to a RBC titanium carrier w/adjustable gas key, runs like a champ!
Pros:
  • Smooth
  • Strong
  • Slick
Cons:
  • Price $$$
Best Used for:
  • AR Builds
Would recommend: Yes
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Slow Shipping

by Big dog, from WA, United States Written on February 23, 2022
They make a great product. Have used many other products in the past. Although optics planet shipping was very slow.. I wasn’t happy with that some items I ordered through them took over three weeks to arrive other sellers product Scott to me within 10 days.
Pros:
  • Good quality products
Cons:
  • SLOW shipping
Would recommend: Yes
1 of 1 found the following review helpful.
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JP bolts!!

by Grendel man, Verified Owner from OH, United States Written on October 12, 2021
I got one of these bolts in my 6.5 Grendel and one in my .50 Beowulf and they both perform great. No issues at all and Highly Recommended. I would however suggest ordering a good carrier of equal quality if you plan on using this bolt in a Beowulf do to the amount of force generated by the larger caliber.
Pros:
  • Malti caliber-6.5 Grendel/.50 Beowulf
Cons:
  • None
Best Used for:
  • Hunting applications
Would recommend: Yes
1 of 1 found the following review helpful.
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It's worth the money.

by Grendel man, Verified Owner from OH, United States Written on August 19, 2021
This is my second JP Bolt for the 6.5 Grendel. The bolts are with out question the best on the market. If your building your own setup this bolt is the way to go. Never have anymore jams, Miss feeds, or have any ejection issues again. My only complaint is that my second bolt fit loosely into my carrier witch means the rings are not making a good seal and I did try other bolts to check and make sure it wasn't the carrier it's self. All my bolts seem to fit snug so I'm not sure how this will end up when I get around to firing it for the first time. I will be buying more of the JP Bolts in the future and I highly recommend these to anyone.
Pros:
  • Perfect head spacing
  • Functional and durable
  • consistent feed at any speed
Cons:
  • gas rings did not seal properly
Best Used for:
  • all types of shooting and hunting applications
Would recommend: Yes
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JP Grendel bolt

by Koal, Verified Owner from TX, United States Written on August 1, 2021
Really impressed with this bolt. Head spaced perfect with Rainier 12.5” barrel. Beefy, slick surface, very easy to clean. Combined it with an NP3 carrier, one smooth shooter. Will get 2 more on the next sell !
Would recommend: Yes
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