57DF1C7 : Barrel, 10.4" PS90 4140 CMV CL 1:9, 5.7x28

SKU

152665

Great choice for your PS90 SBR project. Pair this with a CMMG PS90 Flash hider or thread adaptor to complete your SBR.

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10.4?
4150 Chrome Moly Vanadium
Chrome Lined
Maganese Phosphate Coated
1:9 Twist
5.7×28 Chamber
Threaded M12x1.0 LH