Sig Sauer P365X / P365XL 9mm 10-Round Steel Magazine Black - 8900250

Sig Sauer P365X XL Micro Compact 10RD 9MM Magazine Black Steel 8900250 UPC 798681616886

Product Description

The genuine OEM SIG Sauer® P365X / P365XL 10-Round 9mm Steel Magazine (SKU: 8900250 / UPC: 798681616886) is engineered specifically for defensive concealed carry in capacity-restricted jurisdictions. Designed to provide full-frame mechanical purchase and reliable feeding, this factory magazine integrates seamlessly into the extended P365X and P365XL grip frames while adhering strictly to 10-round legal limits without sacrificing factory durability or spring tension balance.

Constructed from premium heat-treated carbon steel, each magazine body undergoes precision progressive stamping with micro-polished interior channels to eliminate friction-induced feed stalls. The exterior is treated with a rugged, self-lubricating anti-friction matte black finish that repels sweat, moisture, carbon build-up, and chemical cleaning solvents. The internal geometry relies on a tempered high-tensile steel spring driving an anti-tilt polymer follower, ensuring positive slide lock engagement on an empty chamber even after thousands of cycles.

The integrated impact-resistant polymer basepad interfaces directly with the bevel of P365X/XL grip modules, eliminating pinches during aggressive tactical reloads while presenting a snag-free profile under concealment garments. Whether serving as your primary everyday carry payload or staged as a backup loadout, this OEM assembly guarantees factory-certified feed geometry, consistent extractor interface, and uncompromising duty-grade reliability.

*Armorer Bench Notes & Real-World Staging Guidance:*

Fitment Matrix: Native flush fit for SIG Sauer P365X, P365XL, and aftermarket modules matching XL grip frame dimensions (e.g., Wilson Combat WCP365 XL, Icarus Precision ACE 365 XL). CRITICAL: Will NOT seat into standard P365-XMACRO frames (the magazine body is too short to reach the mag catch). While it will physically lock into a standard subcompact P365 short grip, the extended baseplate will protrude beyond the bottom of the grip frame.

1. Ensure the host firearm is completely clear, magazine removed, and chamber visually and physically verified empty.
2. Depress the magazine floorplate retainer insert using a dedicated punch or armorer tool to slide the baseplate forward for routine cleaning or spring inspection.
3. Verify follower orientation and clean carbon residue from the heat-treated steel feed lips; avoid applying heavy liquid oils inside the magazine body to prevent unburned powder accumulation.
4. Slide the floorplate rearward until the basepad retaining lock audibly snaps and mechanically seats flush into the housing detent.
5. Perform a tactile lockup check into your cleared P365X/XL frame, ensuring immediate positive retention on the mag catch and crisp drop-free ejection when depressing the magazine release.

Key Features

• Factory OEM Precision: Manufactured directly by SIG Sauer to original factory tolerances, guaranteeing identical feed geometry and zero timing issues.
• Capacity-Compliant Engineering: Restricted 10-round capacity designed specifically for compliance in state-regulated jurisdictions without altering external XL grip dimensions.
• Heat-Treated Carbon Steel Shell: Resists feed lip deformation, impact damage, and drop trauma during rapid administrative or tactical reloads.
• Anti-Friction Black Finish: Superior corrosion resistance against body perspiration, humidity, and duty wear while enhancing drop-free release speeds.
• Anti-Tilt Follower System: Engineered follower geometry stabilizes each 9x19mm round throughout the feed cycle to ensure smooth transitions into the chamber.
• Flush-Fit XL Ergonomics: Extended basepad completes the grip contour of the P365X and P365XL, facilitating full three-finger purchase for superior recoil mitigation.

Product Specifications

• Brand: SIG Sauer®
• Model/Series: P365X / P365XL Micro-Compact Magazine
• MPN / SKU: 8900250 / MAG365X910
• UPC: 798681616886
• Caliber: 9x19mm Parabellum / 9mm Luger
• Capacity: 10 Rounds
• Body Material: Heat-Treated Carbon Steel
• Baseplate / Follower Material: High-Impact Polymer
• Finish: Matte Black Anti-Friction Coating
• Platform Compatibility: SIG Sauer P365X, P365XL, Spectre Comp XL, and XL-Profile Grip Modules
• Country of Origin: United States (or Italy / Mec-Gar OEM Production for SIG Sauer)