Ruger 22/4 Mark III Magazine
The Ruger 22/45 Mark III Magazine (90229) is a genuine factory 10-round .22 LR magazine built specifically for the Mark III 22/45 and Mark III 22/45 Lite pistols. It features a steel body with corrosion-resistant electroless nickel plating, a polymer follower for smooth rimfire feeding, an impact-resistant polymer baseplate, and a side-mounted loading button to make topping off easy. A steel wire spring keeps tension consistent for reliable lock-back when empty. If you run a Mark III 22/45 for plinking, training, or small-game work, this is the OEM replacement or spare mag to keep in your range bag.
In stock
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- SKU
- 90229
$31.16
Description
Features
- Genuine Ruger Factory Magazine — Built by Ruger to exact OEM specs and tolerances for guaranteed fit and feed reliability in the Mark III 22/45 platform.
- 10-Round .22 LR Capacity — Full factory capacity in .22 Long Rifle keeps you on target through extended plinking and training sessions.
- Steel Magazine Body — Heavy-gauge steel construction stands up to thousands of cycles without deforming or fatiguing.
- Electroless Nickel Finish — Corrosion-resistant E-nickel plating protects the body from moisture, sweat, and powder residue.
- Impact-Resistant Polymer Baseplate — Reinforced polymer floorplate absorbs drops on hard range surfaces without cracking.
- Polymer Follower — Low-friction follower delivers smooth, consistent feeding of rimfire rounds from first shot to last.
- Side-Mounted Loading Button — Thumb-assist button lets you depress the spring and stack rounds quickly without fighting the tension.
- Steel Wire Spring — Durable spring maintains consistent pressure for reliable lock-back on the empty magazine.
- Platform-Specific Fit — Designed exclusively for the Ruger Mark III 22/45 and Mark III 22/45 Lite; does not fit Mark IV models.
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Customer Reviews
Top customer reviews
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Best Magazine for My Ruger 22/45 Mark IIIAs an avid Ruger enthusiast, I've tried several magazines for my 22/45 Mark III, but ruger mags are the best. The stainless steel construction is top-notch, and it holds 10 rounds perfectly. The springs were a bit stiff initially, but after a few rounds, they loosened up nicely. Feeding is smooth, and I haven't had any jams so far. It fits well in the grip and doesn't rattle around like some aftermarket mags.
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