Out of stock
SKU: MGMPI1488SST
UPC: 840815150398
MPN: MAG1488-SST
The Magpul AMAG 12 SG9 delivers a metal-bodied 12-round magazine engineered specifically for the SIG P365 platform. Chambered in 9x19mm, this magazine brings Magpul's manufacturing standards to one of the most popular micro-compact carry pistols on the market. Defensive shooters and concealed carry permit holders who run the P365 will find this magazine offers factory-spec capacity without adding unnecessary bulk. For those building out their P365 holster and carry setup, the SG9 provides a reliable feeding solution backed by Magpul's reputation in the firearms accessory space.
Magpul designed the SG9 with a steel construction that prioritizes durability over polymer weight savings, a deliberate choice for shooters who value longevity in their magazine rotation. The 12-round capacity matches the P365's extended magazine options while maintaining a profile suitable for everyday carry. Feed lips are precision-formed to ensure consistent round presentation, and the follower geometry is optimized for the 9x19mm cartridge dimensions. At 2.8 ounces, the loaded weight remains manageable for all-day carry. The stainless steel finish provides corrosion resistance for humid environments or extended storage in vehicle-mounted setups. Made and engineered in the USA, the SG9 reflects Magpul's quality control standards applied to their expanding handgun magazine lineup.
This magazine fits shooters who treat their P365 as a primary carry gun and need spare magazines that match or exceed OEM reliability. Whether rotating through a compact holster rig for daily carry or keeping spares staged at home, the SG9 handles repeated loading cycles without degradation. Competition shooters in production divisions and defensive training classes will appreciate the consistent lockup and drop-free function. We stock this alongside our full magazine inventory and handgun ammunition selection for one-stop ordering on your P365 loadout.
The SG9 is designed for the SIG P365 platform. Compatibility with P365X, P365XL, and other P365-series pistols should be verified against your specific model, as grip module lengths vary across the lineup.
This magazine features steel construction rather than polymer. Magpul chose metal for increased durability and longevity, with a stainless steel finish that resists corrosion during carry and storage.
The 12-round capacity matches SIG's own extended magazine offerings for the P365. This provides two additional rounds over the standard 10-round flush-fit magazine while maintaining a reasonable grip extension.
Yes. At 2.8 ounces unloaded, the SG9 is designed for everyday carry applications. The 12-round capacity adds slight length compared to flush-fit options but remains practical for concealment with proper holster selection.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
