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40 cal ar barrel - Stern Defense SD .40SW AR-15 Barrel Threaded

by Gary Stiles, Verified Owner from TX, United States Written on January 29, 2025
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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Gary Stiles's Review of Stern Defense SD .40SW AR-15 Barrel Threaded

I purchased this barrel to build an AR carbine in 40 Smith & Wesson. This caliber is either hard to find or rather expensive. Optics Planet had a few different manufacturers and good selection on barrel lengths with reasonable pricing.
Pros:
  • Good selection and price
Cons:
  • hard to find in stock
Best Used for:
  • AR in 40 cal
Would Recommend: Yes
Was it helpful to you? Yes | No
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