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Only the items listed as "Gunbroker" or "GB" are in the physical store. The rest of the items from the menu are at the warehouse. Items not in store inventory take about two 3 days to get in.

If you have questions please call. All ammo listed in stock is in store and ready to ship.

Proof Research

Proof Research PROOF 100561

Product Code : 843068100561


Mfg Item #: 100561

Available Online
Secure online ordering

Caliber: 300 ACC Blackout - Barrel/Gas Tube: 16 (Carbine) - Contour/Journal: Medium / .750 - Threads: 5/8 x 24 - Twist: 1:8

Caliber300 ACC Blackout

Determined at checkout.