Rock Island 1911 10mm Magazine - 8 Round Blued

8-Round 10mm 1911 Magazine

This is a factory replacement magazine from Rock Island Armory, built to the company's own specifications for its 1911 pistols chambered in 10mm Auto. It holds eight rounds and fits full-size and mid-size 1911 frames. Owners use it to replace a worn original, add spares for range days, or put together a full set of carry and practice mags for a 10mm 1911.

Features

• 8-Round Capacity — The single-stack body holds eight rounds of 10mm Auto stacked in one column, the standard layout for a 1911 grip.
• Chambered For 10mm Auto — It is sized for 10mm Auto cartridges, so it will not substitute for a .45 ACP or 9mm 1911 magazine.
• Steel Body — The tube is formed from steel, which holds its shape and keeps the feed lips (the curled edges at the top that release each round) consistent over repeated loading.
• Blued Finish — Bluing is a chemical treatment that turns bare steel a dark blue-black, giving the magazine a low-glare surface that matches traditionally finished 1911s.
• Flat Follower — The flat follower, the plate the spring pushes up under the rounds, presents the top cartridge level to the slide for feeding.
• High-Tensile Steel Spring — A high-tensile spring is made to keep steady upward pressure on the stack from the first round to the last.
• Polymer Base Pad — A black polymer pad on the floor of the magazine gives your palm a solid surface for seating it and adds some protection when a magazine drops on the ground.
• Witness Holes — A column of holes along the side of the body lets you see roughly how many rounds are loaded without emptying the magazine.
• Factory Part Number 10-777 — The Rock Island Armory part number is 10-777, which helps you match it to your pistol's documentation or reorder the same mag later.

Build and Fit

Armscor, the parent company of Rock Island Armory, builds this magazine to the same specifications and tolerances as the ones shipped with its pistols, so it should drop in and lock without any fitting. It is intended for full-size and mid-size 1911 models chambered in 10mm. Before buying, check the caliber stamped on your slide, because 1911 magazines differ by cartridge even when the frames look the same.