SIG TAPERED SHOULDER BARREL ADAPTER

SKU:
SIG-TAPERED-999
$14.00
(1 review)
Current Stock:
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This adapter converts rifle barrels to traditional 90-degree shoulders

1/2" (9mm,5.56mm,.22cal)

5/8" Up to 308 Win

304 stainless

Threads:
1/2-28
Threads:
5/8-24
Threads:
1/2-36
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Reviews

  • 5
    Perfect

    Posted by Josh on March 30, 2026

    Fit a sig m400 Tread rifle perfectly so I could install a regular 1/2x28 Plan B flash hider. Doesn't stick out or anything, blends right in.