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Iver Johnson Arms® 1911 Full-Size High-Capacity Drum Magazine – .45 ACP – 28 Rounds – IJ1911DRUM45
The Iver Johnson Arms® 1911 Full-Size High-Capacity Drum Magazine (IJ1911DRUM45) is a premium, heavy-duty extended capacity feeding system engineered to completely redefine range endurance on the timeless single-stack 1911 platform. Traditional 1911 handguns are famously restricted by their low-capacity single-column magazine channels—maxing out at a mere 7 or 8 rounds before forcing a slide-lock reload. While originally engineered as a factory companion asset for the Iver Johnson 1911A1 Carbine rifle system, the IJ1911DRUM45 (740120787657) matches standard Government profile dimensions. This expands your firepower potential up to an outstanding 28 rounds of hard-hitting .45 ACP ammunition without forcing you to modify your frame or weapon geometry.
The construction architecture of this performance drum combines a rugged, parallel-walled carbon steel upper tower seamlessly welded to an impact-resistant, lightweight molded polymer drum housing. By utilizing steel for the feed lips and upper tracking tower, the magazine preserves critical factory feeding angles, shrugging off the violent upward slamming forces of a heavy .45 ACP slide assembly without bending or causing failures-to-feed (FTF). The lower polymer drum wheel features a generous texturing footprint to ensure a firm grip during range handling and includes an integrated manual loading assist dial to reduce finger fatigue when overcoming the high-tension internal spring arrays. Driven by a heavy-duty, heat-treated high-tensile spring coupled with a specialized low-friction anti-tilt follower, the assembly steadily drives massive 230-grain slugs up into the chamber with consistent, linear mechanical pressure. Finished in a professional matte black sheen, this tactical drum is the ultimate tool for running long, uninterrupted steel-plate challenges, target practice strings, or custom PCC builds.
Includes: (1) Iver Johnson Arms 1911 .45 ACP 28-Round High-Capacity Drum Magazine (Black Finish).
*Compatibility Note: This drum is explicitly built to fit standard, single-stack **1911 Government (Full-Size) and Commander** grip frames. It is also compatible with standard 1911 Officer models (the tower will protrude slightly past the base) and specialized 1911 Carbine variants. It is NOT compatible with double-stack 2011 platforms, Rock Island 1911 A2 double-stacks, or non-1911 .45 caliber firearms (such as Hi-Point or Springfield XD series).
Key Features
- Massive 28-Round Payload: Quadruples the standard firepower payload of traditional 1911 handguns, letting you execute long, high-volume firing strings without stopping to load.
- Steel-Polymer Hybrid Matrix: Uses an ultra-rigid steel feeding tower to eliminate feed-lip warping, paired with an impact-resistant polymer body to shed unnecessary weight.
- Manual Loading Assist Dial: Integrated finger ridges on the drum's core face allow the user to manually relieve spring pressure while loading heavy centerfire cartridges.
- Anti-Tilt Low-Friction Follower: Advanced internal geometric follower maintains absolute cartridge alignment to prevent internal nosediving and binding inside the transition junction.
- Perfect Carbine & Long-Slide Companion: Provides a visually striking and functionally balanced base profile when locked into 16-inch 1911 carbine stocks or long-slide models.
- Corrosion-Resistant Matte Finish: Clean black oxide and protective polymer layers shield internal componentry against oil degradation and outdoor environmental moisture.
Product Specifications
- Brand: Iver Johnson Arms®
- Product Line: High-Capacity Drum Series
- Model Name: 1911 .45 ACP 28rd Drum Magazine
- SKU / MPN: IJ1911DRUM45 (Catalog Part Number: MAG191128)
- Firearm Platform Fit: 1911 Full-Size Government / Commander Models (Single-Stack Only)
- Cartridge Caliber: .45 ACP (Automatic Colt Pistol)
- Total Capacity: 28 Rounds
- Upper Tower Composition: Heavy-Gauge Heat-Treated Carbon Steel
- Drum Body Composition: High-Impact Textured Polymer Composite
- Follower Architecture: Specialized Black Anti-Tilt Follower
- Spring Chemistry: High-Tensile Carbon Spring Steel
- Colorway / Finish: Tactical Matte Black
- Country of Origin: Imported
- Dimensions: Length: 10.10” x Width: 5.20” x Height: 2.80”
- Weight: 1.35 lbs (21.60 oz) Unloaded
- UPC: 740120787657
