Sig Sauer P365 X-Macro 21rd Extended Magazine 9mm Black

The Sig Sauer P365 X-Macro 21-round factory magazine provides extended capacity for P365-series pistols in 9mm. Constructed from steel with an orange anti-tilt polymer follower and a high-quality steel spring, it is built for consistent feeding and everyday use. Rear-facing numbered witness holes allow quick visual confirmation of remaining rounds.

Key Specifications

• Holds 21 rounds.
• Chambered for 9mm / 9mm Luger.
• Designed to fit Sig P365-series pistols including X-Macro models.
• Constructed from steel for durable service life.
• Equipped with an orange anti-tilt polymer follower.
• Features rear-facing numbered witness holes for round count verification.
• Finish is black.
• Style is extended for increased capacity.
• Manufacturer model designation: P365-XMACRO.
• Package/individual weight is approximately 0.35 lb.

This factory Sig Sauer magazine delivers extended capacity and practical features that suit range days, duty roles, and everyday carry setups where extra rounds are preferred. Its steel construction, anti-tilt follower, and clear witness holes make it a straightforward, dependable option for owners of P365-series pistols seeking consistent feeding and simple round management.