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Questions & Answers
is this compatible with Aero Precisions 308 BCG Expert Answer

The JP Enterprises High Pressure Enhanced Bolt Assembly is compatible with DPMS LR-308 pattern rifles and BCG's. So it should work fine with an Aero Precision M5 BCG.

by Hunter, Gear Expert, August 16, 2022
Is this compatible with DPMS G2 bolt carriers? I.e., Adams Arms. Expert Answer

The JP Enterprises High Pressure Enhanced Bolt Assembly is compatible with DPMS LR-308 BCG's. So it will work with a DPMS pattern Adams Arms BCG.

by Hunter, Gear Expert, July 28, 2022
Customer Reviews
Helpful Positive Review
I had a problem with an AR-308 build a while ago in 6.5 Creedmoor caliber. I was getting pierced primers with a brand of factory ammo I was using. I didn't want to stop using this ammo as it was the most accurate ammo I had found for this rifle so ...
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7/7 found this helpful
Most Recent Reviews
Saved my build! by Johnnyonthespot, Verified Owner, May 30, 2026
This high pressure bolt solved the issues of pierced primers in my 308.
Most Recent Reviews
Awesome upgrade by Badguybuster, Verified Owner, March 28, 2026
What a difference such a small part can make. No more restricting my ar10 loads to the lightest levels, I can now run the same loads in my bolt action and ar10s. It also corrected the ejction issues in my PWS Mk218. Highly recommended
Most Recent Reviews
Perfect fit by Igollad, Verified Owner, February 16, 2026
BCG to use with JP HP bolt on my 6.5 CM. Works great with my BKF receiver set. My new go to!
Most Recent Reviews
High pressure bolt by Steve, Verified Owner, June 3, 2025
Installed on a customers 6.5 Creedmoor fixed all the issues of hole punching primers common with the AR-10,
Most Recent Reviews
I highly recommend this product! by George Williamson, Verified Owner, February 14, 2025
I've installed these in several AR10 BCG's and the appropriate model in several AR15 BCG'S. I there were issues they were fixed just by installing this bolt. Extractor marks, ejector marks and flattened primers on factory ammo and reduced handloads....
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Read All 9 Reviews

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Color:
Black
Finish:
Black DLC
Caliber:
.308 Winchester
Condition:
New

Code: J5-ABA-EVCZQ-JPEB-308HP

MPN: JPEB-308HP

UPC: 812872020730

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List: $213.95Save $10.70
$203.25

Product Info for JP Enterprises High Pressure Enhanced Bolt Assembly

This bolt assembly is compatible with the JP LRP-07 and the DPMS LR-308 platforms (or clones thereof) only and cannot be used to replace bolts in the Armalite AR-10 platform (or clones thereof). This bolt uses a specialized firing pin that is not compatible with other bolts nor can it use standard .308 firing pins.image

Specifications for JP Enterprises High Pressure Enhanced Bolt Assembly:

Manufacturer: JP Enterprises
Color: Black
Finish: Black DLC
Fabric/Material: SAE 9310 Steel
Caliber: .308 Winchester
Condition: New
Projectile Caliber: .308 Caliber

Package Contents:

  • JP Enterprises High Pressure Enhanced Bolt Assembly

JP Enterprises High Pressure Enhanced Bolt Assembly Orderable Models

List of Orderable Models

  • JP Enterprises Enhanced Bolt Assembly, .308 High Pressure With High Pressure Firing Pin, Black JPEB-308HP , MPN: JPEB-308HP , UPC: 812872020730 , Code: J5-ABA-EVCZQ-JPEB-308HP

JP Enterprises High Pressure Enhanced Bolt Assembly Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, JP Enterprises Enhanced Bolt Assembly, .308 High Pressure With High Pressure Firing Pin, Black JPEB-308HP , MPN: JPEB-308HP-DEMO , Code: J5-ABA-EVCZQ-JPEB-308HP-DEMO
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Last updated 2026-09-21 UTC.