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    Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface.
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    Mil-spec dimensions and coating ensure the highest quality and correct component interface for your next big-bore AR.
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    The EPC-9 lineup is perfect for your next 9mm or 40S&W AR build.
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M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS S-ONE M-LOK HG - FDE Cerakote

M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS S-ONE M-LOK Handguard

new

Added

M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS R-ONE M-LOK HG - FDE Cerakote

M4E1 Threaded Complete Upper, 12.5" 5.56 Carbine Length Barrel w/ 10.3" ATLAS R-ONE M-LOK Handguard

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