The Geissele Super Duty MOD1 is a 5.56x45mm NATO AR-platform rifle (Geissele part no. 08-479S) built around a barrel manufactured in-house by Geissele Automatics, a company better known to most shooters for its match-grade triggers and rail systems. This configuration is finished in Geissele’s DDC color option and fitted with a 13.9-inch barrel for a compact, maneuverable profile. It ships as a complete rifle without an included magazine, so shooters can run the magazines they already have on hand. Built on a reliable semi-automatic AR platform, the Super Duty MOD1 gives shooters Geissele’s manufacturing standards in a compact carbine configuration suited to home defense or range use.

Key Specifications

• Chambered in 5.56x45mm NATO for reliable, widely available performance.
• Runs semi-automatic operation for reliable, fast-cycling performance.
• Built on a familiar AR-pattern platform.
• Fitted with a 13.9-inch barrel manufactured in-house by Geissele.
• Ships without an included magazine, so shooters can run their own.
• Finished in Geissele’s DDC color option for a distinctive look.
• Runs Geissele’s own SSA-E X two-stage trigger for a crisp, consistent pull.
• Fitted with a Geissele Super Modular Rail (MK16) M-LOK handguard.
• Barrel twist rate is 1:7, matched to a wide range of 5.56 bullet weights.
• Ships with a HUXWRX Flash Hider-QD muzzle device.

Frequently Asked Questions

What caliber does the Super Duty MOD1 shoot? It’s chambered in 5.56x45mm NATO, the standard AR-platform cartridge.

Does it come with a magazine? No, this configuration ships without an included magazine.

Buy the Geissele Super Duty MOD1

Shooters who want a compact AR built around a Geissele barrel should look closely at the Super Duty MOD1. Order this Geissele Automatics rifle from our AR rifle selection at Schaefer Defense, and we’ll ship it insured to your local FFL from our Lubbock, Texas shop.