Mag Ria Tm22 22lr Poly

The Armscor TM22 magazine is the factory-spec feeding device for Rock Island Armory TM22 rifles chambered in .22 Long Rifle. It holds 25 rounds, giving plinkers and small-game shooters extended range time between reloads on a platform built for high round counts. This is a standard replacement and spare magazine made to Armscor/Rock Island Armory specifications and tolerances, so it drops into both standard and A-18 TM22 receivers without fitting. Shooters running a TM22 as a trainer or a weekend rimfire gun will find this a straightforward way to keep multiple loaded magazines on hand. We stock it under SKU MGARMD05057-OP.

Construction is high strength polymer with a black matte finish, which keeps weight low and resists the corrosion that plagues steel feed lips in humid storage. At 25-round capacity in .22 LR, the body is sized to feed reliably through the TM22 action while staying light enough that a handful of spares barely adds to a range bag. Armscor backs these magazines with a limited lifetime warranty for their intended purpose, per manufacturer specifications. Because the magazine is built to OEM tolerances rather than a generic aftermarket pattern, the fit at the catch and feed geometry match what the rifle was designed around. That matters on a rimfire platform, where feed angle and rim presentation drive cycling consistency more than on most centerfire designs.

If you shoot a TM22 regularly, having three or four of these on hand turns a casual range session into uninterrupted trigger time. They suit small-game hunting, steel practice, and entry-level training where .22 LR keeps cost down. Pair them with the rifle and a brick of ammunition and you have an inexpensive day out. Shooters comparing rimfire options can also look at the SIG P322 25-round magazine or the Ruger BX-25 two-pack for 10/22 platforms. Browse our full lineup of rifle and pistol magazines to round out your kit.