ProMag’s USGI mag loader (manufacturer part number PM017) slips over a compatible AR-15/M16 .223 Rem/5.56 NATO magazine and speeds up loading — drop in up to 5 cartridges at a time and press the plunger to seat them, repeating until the magazine is full. It’s a loading tool, not a magazine.

Key Specifications

• Manufactured by ProMag.
• Built for .223 Rem/5.56x45mm NATO AR-15/M16 magazines.
• Classified by ProMag as a Mag Loader/Unloader, not a magazine.
• Fits AR-15 and M16 pattern magazines.
• Slips over the magazine and loads 5 cartridges at a time by depressing the plunger.
• Originally designed alongside ProMag’s 100-round .223/5.56 Beta drum magazine.
• Molded in polymer with a black finish.
• Weighs about 0.2 lb shipped.
• This is a loading tool, not a magazine — it does not hold or feed ammunition on its own.

Frequently Asked Questions

Is this a magazine? No, it’s a loading tool that slips over a compatible AR-15/M16 magazine to speed up loading; it does not hold ammunition on its own.

How does it work? You drop in up to 5 cartridges at a time and depress the plunger to seat them into the magazine, repeating the process until the magazine is full.

What magazines does it fit? It fits standard AR-15/M16 .223 Rem/5.56 NATO magazines, and was originally designed alongside ProMag’s 100-round .223/5.56 Beta drum magazine.

Buy the ProMag USGI AR-15/M16 5.56 Mag Loader

This ProMag loader makes topping off AR-15 magazines faster and easier on your hands. Shop more ProMag gear or browse the full AR Magazines selection. Order it from our Lubbock, Texas gun shop and it ships fast to your door.