AR10/AR308 .375 Raptor Custom Stainless Steel Barrel



  • precision barrels

  • If you need a custom length let us know! When ordering choose the barrel that is closest to the size you are looking for. Give us the details and we will be in touch!

  • Check Barrel Profiles This link will take you to the barrel profile page.

  • To reliably cycle both Sub-Sonic and Super-Sonic Ammuntion it is necessary to drill the port large enough to cycle Subs, and to be able to tune the size down to allow cycling for Supers. We strongly suggest you purchase an adjustable Gas Block for most reliable cycling.

Gas Block Journal

  • Steel Low Profile Gas Block

Gas System Length

  • Stainless Steel Gas Tubes


Barrel Finish

Adding Nitride or Cerakote to your barrel will extend your lead time out 2-4 weeks depending on our vendor lead time.

  • Adding an exterior process to your barrel will increase your lead time 2-4 weeks.

  • Cryogenics will add 2 weeks to your barrel lead time.

  • Carbon Wrap will add 6-8 weeks to your lead time

Sig/Q Taper 25° Taper

  • 300 Blackout 1:5 Twist

    This 25° Taper is made for specific muzzle devices and suppressors. You will know if you need one.

Current Lead Times


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AR10/AR308 .375 Raptor Custom Stainless Steel Barrel$385.00
Barrel Length -
Custom Length -
Barrel Profile -
Twist Rate -
Gas Port Size -
Gas Block Journal
Gas Block Journal -
Add Gas Block -
Gas System Length
Gas System Length -
Add Gas Tube -
Crown/Muzzle -
Barrel Finish
Barrel Finish Options -
Cryogenics - $125.00
Carbon Wrap - $300.00
Sig/Q Taper 25° Taper
Sig/Q Taper - $45.00
Current Lead Times
Lead Times are Currently 16-18 Weeks -
Comments -

Product total

Options total

Grand total


Custom .375 Raptor Premium Barrel Stainless

Match Grade

416 R Stainless

5 R rifling

375 Raptor is a great short action / AR-10-length cartridge for firing both high BC, supersonic hunting and target shooting projectiles as well as heavy, accurate subsonic projectiles.  The .375 bore provides amazing performance from short barrels and spot-on results when suppressed.

Additional information

Weight4 lbs
Dimensions20 × 2 × 2 in


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