Description
If you run a P228 or an older P229, you need reliable magazines that won't let you down. This Mec-Gar 10-rounder is made in Italy with the same quality standards that Mec-Gar applies to Sig's factory magazines. In fact, Mec-Gar has been the OEM supplier for Sig Sauer magazines since the brand's early days, so you're getting equipment that actually exceeds most expectations for an aftermarket piece.
The construction is solid. The tube is heat-treated carbon steel with a blued finish that provides both protection against corrosion and a clean look. Inside, a high-tensile music wire spring and polymer follower work together to feed consistently through your pistol. The magazine has witness holes along the side so you can see your round count at a glance without unloading it.
One thing worth noting: this is specifically designed for the P228 and the earlier generation P229 with the narrower magazine well. If you have a P229 E2, you'll need the P229-1 magazine with the wider tapered design. But if your gun takes the standard narrow mag, this one locks in flush with the grip and functions just like the factory version.
Customers who've run these report flawless feeding and durability that holds up whether you're practicing at the range or in daily carry. It's the kind of magazine that works quietly in the background and lets you focus on your gun, not your gear.
Key Specifications
- Manufacturer: Mec-Gar
- Manufacturer Part Number: MGP22810B
- UPC: 765595113909
- Fits: Sig Sauer P228, older P229 (flat-sided narrow magazines)
- Caliber: 9mm Luger (9×19)
- Capacity: 10 rounds
- Type: Detachable magazine
- Tube Material: Heat-treated carbon steel
- Finish: Blued
- Spring: High-tensile music wire
- Follower: Polymer
- Baseplate: Polymer
- Features: Witness holes, flush fit, low-friction finish
- Made in: Italy
- Length: 9.25 inches
What’s Included
- 1 x Mec-Gar 10-round magazine
Frequently Asked Questions
Will this P228 magazine work in my P229?
It depends on which P229 you have. This magazine fits P228 and the earlier generation P229 models with the narrower, flat-sided magazine well. If you own a P229 E2, you'll need the wider P229-1 magazine instead. When in doubt, check your gun's magazine well width before ordering.
Is Mec-Gar as good as factory Sig magazines?
Mec-Gar is actually the manufacturer behind many Sig Sauer factory magazines, so they're built to the same standards. The difference is price and sometimes minor variations in finish or packaging. Customers consistently report these function identically to OEM Sig magazines with the same reliability.
What do the witness holes do?
The witness holes along the side of the magazine let you see how many rounds you have loaded without removing the magazine. It's a quick visual reference that's useful both at the range and in the field.
Should I expect the spring to be stiff when it's new?
Yes, new magazines often come with a fairly stiff spring, which can make loading to full capacity feel tight at first. This is normal and the spring will break in with use. Mec-Gar uses high-tensile music wire that actually improves reliability as it settles in.
How does the blued finish hold up to everyday use?
Blued steel is a traditional finish that resists corrosion well and develops character with use. It requires occasional maintenance like any blued firearm part, but Mec-Gar's finish is treated to handle the wear and tear of regular carry and shooting without significant issues.
Is this magazine limited to 10 rounds because of regulations?
The 10-round capacity on this specific model is designed as a practical middle ground for general use and complies with restrictions in certain areas. Mec-Gar makes this same magazine in 15-round and 18-round versions if you need higher capacity and live where it's permitted.





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