This Iver Johnson drum magazine (mfr. part no. 1911DRUM28RD) holds 28 rounds of .45 ACP and is built for Iver Johnson’s own 1911-pattern pistols, in metal with a polymer floor plate.

Key Specifications

• Holds 28 rounds of .45 ACP.
• Drum-style magazine for 1911-pattern pistols.
• Built by Iver Johnson for its own 1911 pistols.
• Constructed of metal with a polymer floor plate.
• Overall length of approximately 10.1 inches.
• Ships as a single (1) magazine.
• Holds roughly four times the capacity of a standard 7-round 1911 magazine.
• Classified by the manufacturer as a Drum-style magazine.
• Manufactured by Iver Johnson.

Frequently Asked Questions

Will this drum fit any 1911 pistol?

Iver Johnson lists this drum for its own 1911-pattern pistols; verify compatibility with other manufacturers’ 1911s before ordering.

How many rounds does it hold?

28 rounds of .45 ACP, well above a standard 1911 magazine’s capacity.

Buy the Iver Johnson 1911 28-Round Drum Magazine

Shop the Iver Johnson lineup or browse our full Handgun Magazines selection to find the right fit for your firearm.