4140 Chrome moly material M4 profile threaded barrel sub-assembly. 1/2-36 threads. Salt bath Nitride finish inside and out. 1:10 inch twist. 0.750 inch carbine length gas journal. Chambered for 9x19mm NATO.
Manufacturer | CMMG
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Model | 90D1A0A
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UPC | 815835014098
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Caliber | 9x19mm
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Unit/Measure | ea
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Stock | 0
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