DELTA 5® 20" .308 Win, 1:10", HPALMA

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Our cold hammer forged barrels are known to be as accurate and long lasting as any you’ll find. And now, you can easily switch the caliber of your DELTA 5® or DELTA 5® Pro with this barrel conversion kit.  We’ve taken the modularity found in our ARs and adopted it for the bolt-action rifle by attaching the barrel via a barrel extension.  Since the extensions are installed by us at our factory, headspace will always be correct because it is set at the time of manufacturing.  To change barrels, all you need to do is remove the barreled action, remove the barrel nut, install the new barrel, tighten the barrel nut to the proper torque and then re-install the entire barrel/action assembly into the stock.  With the included ½” barrel nut wrench, you can swap barrels in minutes. No gunsmith required!


  • Factory-Set Headspace
  • Easy to Install within Minutes
  • No Gunsmith Required


More Information
Barrel Length20"
Manuf. ProcessCold Hammer Forged
Twist Rate1:10
Muzzle Thread5 ⁄ 8 × 24 TPI (Threads Per Inch)
MaterialProprietary Steel
Outside FinishCobalt Cerakote H-Series
Inside FinishN/A
Diameter At Gas PortN/A
Barrel ExtensionDELTA 5
Barrel ProfileHeavy Palma
Weight3.16 lbs
ManufacturerDaniel Defense
Daniel Defense Satisfaction Guarantee
Guaranteed Satisfaction

All Daniel Defense products carry a 100% satisfaction guarantee against defects in original materials and workmanship. If your Daniel Defense product shows evidence of such defects, Daniel Defense will make every accommodation to fix, repair, or replace your product in the most expeditious manner possible. Daniel Defense does not warranty products or damage caused to our products by the correct or incorrect installation of other manufacturer's products.

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  1. Video for barrel change.
    Most awesome bolt action I have ever seen. When I was in the Military I had thought a long long time ago, if I could take the best of a M40A1 and combine it with the best things of a M16A1, that’s my Rifle. Well you all at Daniel Defense did that! So that’s why this old Soldier is saving now for a Delta 5, because that’s my dream!

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