Description
The MC1911SC is one of the more popular compact 1911s on the market right now, and one of the most common complaints from owners is that the pistol ships with only one magazine. This is the fix for that. It's a factory OEM-spec replacement magazine from Girsan, distributed in the US through European American Armory, built to the same tolerances as the mag your pistol came with. That matters more than people sometimes think when it comes to compact 1911s, where mag fitment can be finicky.
The body is steel with a black finish that holds up to regular handling and carry. Seven rounds of 9mm Luger is standard capacity for this compact officer-size format, keeping the baseplate flush with the grip frame so nothing snags on your cover garment during a draw. The side window cutout on the magazine body works especially well on MC1911SC variants equipped with windowed G10 grips, where you can glance through the grip panel and see your round count without dropping the mag.
The window feature is subtle but genuinely useful in a defensive context. Instead of guessing at your round count after a string of fire, a quick glance tells you where you stand. It is the kind of detail that does not sound like much until you actually use it.
This magazine is primarily designed for the Girsan MC1911SC Ultimate and related compact MC1911SC variants. It is the right call for anyone who wants to keep a second mag loaded and ready without worrying about whether it will seat, lock, and drop free the way it should.
Key Specifications
- Manufacturer: Girsan / European American Armory (EAA)
- Model: MC1911SC
- MPN: 390505
- UPC: 741566904059
- Caliber: 9mm Luger
- Capacity: 7 Rounds
- Material: Steel
- Finish: Black
- Window: Yes, visual capacity window
- Magazine Length: 4.5 in
- Magazine Width: 2.0 in
- Magazine Height: 0.70 in
- Fits: Girsan MC1911SC Ultimate (9mm) and compatible compact/officer-size 1911 platforms in 9mm
Frequently Asked Questions
Will this magazine work with my Girsan MC1911SC in 9mm?
Yes, this is the factory OEM-spec magazine designed specifically for the Girsan MC1911SC Ultimate in 9mm Luger. Because it is built to the same specifications as the magazine that shipped with your pistol, fit, feeding, and slide lockback should all function as intended. It is the safest choice if you want to avoid the fitment questions that can come up with aftermarket options.
What is the purpose of the window on this magazine?
The window is a cutout in the side of the steel magazine body that lets you visually confirm how many rounds are remaining without removing the magazine. On MC1911SC Ultimate variants with the windowed G10 grips, you can actually see the round count right through the grip panel. It is a practical feature for situational awareness during defensive use or at the range.
Is this magazine compatible with other compact or officer-size 1911s besides the MC1911SC?
This magazine is designed and listed primarily for the Girsan MC1911SC and MC1911SC Ultimate in 9mm. It is also noted to be compatible with most officer or compact-size 1911 platforms chambered in 9mm Luger, though fitment can vary between manufacturers. For best results, use it in the MC1911SC it was built for, and verify compatibility with any other platform before relying on it for carry.
Does the 7-round magazine sit flush with the grip?
Yes, the 7-round capacity is sized for the compact MC1911SC grip frame and is intended to sit flush at the baseplate. This makes it the right choice for carry use where a protruding magazine base could cause printing or snagging. If you are looking for extra rounds and do not mind a slight extension, there are higher-capacity options available for this platform.
How many magazines does the Girsan MC1911SC come with from the factory?
The Girsan MC1911SC ships from the factory with one magazine. For most people running this as a carry gun or using it at the range, having at least one spare on hand is a practical necessity. This OEM replacement is the straightforward way to add a second mag that you know is correct for the gun.





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