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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.

Geissele Automatics

Geissele Automatics Super Gas Block 05-231N

Product Code : 854014005274


Mfg Item #: 05231N

Available Online
Secure online ordering

The Super Gas Block's (SGB) bore is machined to closely fit around .750 diameter mounting bosses found on most M4 Carbines and AR-15 rifles.

TypeGas Block
SeriesGas Block

Determined at checkout.