SPR/MK12 18.1″ .223/5.56

Contour:
-SPR/MK12 & Recon(.850 UHC, .750 Gas Block, .7495, .725 for Allen Eng Ops Inc Collar and Brake)
Bolts that are added to you order will be headspaced to your barrel. Complete Bolt

 

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  • Price: $0.00

Additional information

Barrel Brand

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Chamber Type

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Length

Gas System Length

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Thread

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Finish

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Matched Bolt

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Barrel Fluting

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Contours

SPR

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