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Questions & Answers
Are these barrels dimpled at the gas block Expert Answer

The JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrels are not dimpled.

by Ethan, Gear Expert, December 16, 2022
Do the barrels come with gas tubes? Expert Answer

These JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrels do not come with a gas tube or gas block.

by Hunter, Gear Expert, June 16, 2022
Customer Reviews
Helpful Positive Review 14.5" with 2.85 linear comp 1-11: twist by Enkleburt Humperdink, Verified Owner, February 28, 2024
Pretty sure the only thing that could be improved is lightening the barrel carbon fiber style. Most attentive I've ever seen to deburring/finishing detail on the mating end of barrel, polished dang near but I never received the bolt so thats all i go...
Read More...
2/2 found this helpful
Most Recent Reviews .308 JP Barrel by jemdvm, Verified Owner, November 14, 2024
Excellent product. High-quality barrel. My fifth JP Barrel. Have been extremely happy with the Sub moa performance.
Read All 2 Reviews
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Product Info for JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrel

Equip this JP Enterprises 308 Winchester barrel to upgrade your rifle with a sturdy aftermarket barrel that will boost your shot performance. These AR15 Barrels are machined from stainless steel for extra durability and longevity. Built with 5/8x24 TPI, these 308 barrels feature an enhanced bolt that results in a perfect fit for your weapon. Upgrade your firearm today with a JP Enterprise .308 Win barrel to ensure smooth performance and repeatable results.image

WARNING: California`s Proposition 65

Specifications for JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrel:

Manufacturer: JP Enterprises
Finish: Machined Stainless
Fabric/Material: 416R Stainless Steel
Cartridge: .308 Winchester
Barrel Profile: Light
Gas Block Journal Size-Diameter: .750 in
Threads per Inch: 5/8x24
Barrel Twist Rate: 1-11.25
Barrel Material: 416R Stainless Steel
Included Accessories: Standard
Condition: New

Features of JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrel:

  • JP EnhancedBolt individually head-spaced to the barrel for flawless fit and function;
  • Contour: .750 under hand guard/.600 in front of gas block;
  • Material: 416R Stainless

Package Contents:

  • JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrel

JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrel Orderable Models

List of Orderable Models

JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 18 in Barrel, 1-11.25 Twist, .750 in, Rifle Length, Black, JPSM308-18L11R-BT , MPN: JPSM308-18L11R-BT , Code: J5-ATB-JPENT77-JPSM308-18L11R-BT
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 16 in Barrel, 1-11.25 Twist, .750 in, Mid Length, Silver, JPSM308-16L11M , MPN: JPSM308-16L11M , Code: J5-ATB-JPENT77-JPSM308-16L11M
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 18 in Barrel, 1-11.25 Twist, .750 in, Rifle Length, Silver, JPSM308-18L11R , MPN: JPSM308-18L11R , Code: J5-ATB-JPENT77-JPSM308-18L11R

JP Enterprises Supermatch Headspaced Enhanced Bolt .308 Win Barrel Unavailable & Discontinued Models

List of Unorderable Models

JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 14.5 in Barrel, 1-11.25 Twist, .750 in, Mid Length, Silver, JPSM308-14.5UL11M , MPN: JPSM308-14.5UL11M , Code: J5-ATB-JPENT77-JPSM308-14-5UL11M
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 20 in Barrel, 1-10 Twist, .936 in, Rifle Length, Silver, JPSM308-20M10R , MPN: JPSM308-20M10R , Code: J5-ATB-JPENT77-JPSM308-20M10R
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 22 in Barrel, 1-11.25 Twist, .936 in, Extended Length, Silver, JPSM308-22M11XL , MPN: JPSM308-22M11XL , Code: J5-ATB-JPENT77-JPSM308-22M11XL
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 20 in Barrel, 1-11.25 Twist, .936 in, Rifle Length, Silver, JPSM308-20H11R , MPN: JPSM308-20H11R , Code: J5-ATB-JPENT77-JPSM308-20H11R
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 14.5 in Barrel, 1-11.25 Twist, .750 in, Mid Length, Black, JPSM308-14.5UL11M-BT , MPN: JPSM308-14.5UL11M-BT , Code: J5-ATB-JPENT77-JPSM308-14-5UL11M-BT
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 20 in Barrel, 1-11.25 Twist, .875 in, Rifle Length, Silver, JPSM308-20M11R , MPN: JPSM308-20M11R , Code: J5-ATB-JPENT77-JPSM308-20M11R
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 22 in Barrel, 1-11.25 Twist, .936 in, Extended Length, Black, JPSM308-22M11XL-BT , MPN: JPSM308-22M11XL-BT , Code: J5-ATB-JPENT77-JPSM308-22M11XL-BT
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 20 in Barrel, 1-11.25 Twist, .936 in, Rifle Length, Black, JPSM308-20H11R-BT , MPN: JPSM308-20H11R-BT , Code: J5-ATB-JPENT77-JPSM308-20H11R-BT
DEMO, JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 18 in Barrel, 1-11.25 Twist, .750 in, Rifle Length, Black, JPSM308-18L11R-BT , MPN: JPSM308-18L11R-BT-DEMO , Code: J5-ATB-JPENT77-JPSM308-18L11R-BT-DEMO
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 16 in Barrel, 1-11.25 Twist, .750 in, Mid Length, Black, JPSM308-16L11M-BT , MPN: JPSM308-16L11M-BT , Code: J5-ATB-JPENT77-JPSM308-16L11M-BT
JP Enterprises Supermatch Headspaced Enhanced Bolt Barrel, .308 Winchester, 20 in Barrel, 1-11.25 Twist, .875 in, Rifle Length, Black, JPSM308-20M11R-BT , MPN: JPSM308-20M11R-BT , Code: J5-ATB-JPENT77-JPSM308-20M11R-BT
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