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The APC9K Pro updates the APC9 CLASSIC with ambidextrous controls, foldable SB Tactical brace, dual folding non-reciprocating charging handles, and the integration of the bolt catch into the bolt release lever. Features include folding low-profile sights, 30-round magazine, threaded barrel, and polymer lower receiver. Barrel length is 5.5 inches with a 1/2-28 thread size.
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