Geissele Super Duty MOD1-A SBR 5.56 NATO 12.5" Rifle

This is the black version of the Geissele Super Duty MOD1-A, a 5.56 NATO short barrel rifle built around a 12.5 inch barrel. Barrel length is the whole conversation on a gun like this. Cut a 5.56 down to 10.5 inches and you lose velocity fast, which changes what your ammunition does at distance; leave it at 16 and you have a full size carbine. A 12.5 sits in between and gives up less than most people expect.

The practical payoff is size. Getting a rifle out of a case, out of a vehicle or through a door is easier when the muzzle is not four inches further out, and the gun stays balanced instead of nose heavy. No magazine comes with the rifle. A note on the data behind this listing: the distributor record carries the model, the caliber, the barrel length and the finish color only. Handguard, muzzle device, trigger, sights and weight are not published in it, so nothing is claimed about them here. Check the manufacturer's specification sheet if the build details drive your decision.