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If you run a Colt M4 .22 LR, having extra magazines around makes range days smoother and training more efficient. The ProMag COL27 keeps things simple and functional. This is a polymer-bodied magazine that's lightweight enough to toss in a range bag, yet durable enough to handle regular use without complaint.
The magazine body is made from DuPont Zytel polymer, the same material you'll find in ProMag's lineup across different platforms. It's corrosion-resistant, which matters when you're running rimfire ammo that can leave powder residue and lead deposits over time. The heat-treated chrome-silicone wire spring inside maintains consistent tension through hundreds of load cycles, and the injection-molded follower keeps rounds aligned for smooth feeding every time you charge a mag.
At 10 rounds, this mag fills a specific role. It's small enough to pocket or slip into a pack, and the compact capacity works well for controlled practice sessions or for anyone who just wants a lighter load to manage. Many shooters keep a few of these alongside higher-capacity options. The magazine is made in the USA, backed by ProMag's lifetime warranty against manufacturing defects, and strips down for cleaning if rimfire residue builds up inside.
This magazine fits Colt M4 .22 LR rifles. It does not fit Ciener and G.I. style .22 conversion rifles, so double-check your rifle before ordering. If you have a Colt M4 Carbine in rimfire, you're good to go.
This magazine is designed specifically for the Colt M4 .22 LR rifle. It does not fit Ciener or G.I. style .22 conversion rifles, and compatibility with other platforms should be verified before purchase. When in doubt, check with the manufacturer of your rifle.
Yes, the magazine strips down for cleaning. The floorplate and follower can be removed to clear out rimfire residue and lead deposits that build up over time. This makes maintenance straightforward if you run a lot of rounds through it.
The magazine is manufactured with a 10-round capacity and works as designed. If you need higher capacity options, ProMag also makes 30-round versions for the Colt M4 .22 LR. Pick the capacity that suits your training style.
ProMag backs this magazine with a lifetime warranty against manufacturer defects. Normal wear from use is expected, but if the magazine fails due to a manufacturing issue, ProMag will support you.
| UPC | 708279013904 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | COL27 |
| Brand Fit | Colt |
| Caliber/Gauge | .22 LR |
| Capacity | 10 |
| Model | |
| Model Fit | M4 |
| Product Type | Detachable |
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