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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.

Griffin Armament

Griffin Armament Optimus GAOPT

Product Code : 791154081068


Mfg Item #: Griffin GAOPT

Available Online
Secure online ordering

Diameter: 1.375 - Overall Length: 9.4 - Weight: 18.5 oz - Materials: Stainless Steel - Finish: Melonite QPQ - Full Auto Rated: Yes (9mm and 300BLK subsonic only) - Attachment: Taper Mount devices 3 Lug attachment Booster Pistons and direct thread adapters

FinishMelonite QPQ
Weight18.5 oz

Determined at checkout.