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Very nice barrel. - Stern Defense SD .40SW AR-15 Barrel Threaded

by Zack856, Verified Owner from PA, United States Written on January 24, 2026
Review for Stern Defense SD .40SW AR-15 Barrel Threaded
Stern Defense SD .40SW AR-15 Barrel Threaded
Stern Defense SD .40SW AR-15 Barrel Threaded
As Low As $109.99 Save Up to 23%
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Zack856's Review of Stern Defense SD .40SW AR-15 Barrel Threaded

Chamber is good. Rifling is crisp with no chattering. They definitely put some thought into the feed ramp. It's fully supported but still slick and smooth. .45 muzzle device fits perfectly. Came extremely overpackaged and even the most hate filled mail carrier could never hurt it.
Pros:
  • Four tee bay bee
Cons:
  • Not $60 like a 9mm barrel
Best Used for:
  • Short and wide applications
Would Recommend: Yes
Was it helpful to you? Yes | No
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