Sig Sauer MCX-SPEAR Multi-Cal 20rd Steel Magazine

This factory replacement magazine from Sig Sauer is made for the MCX-SPEAR platform and the civilian variant of the system. It provides a 20‑round, double‑stack configuration and is offered in a Coyote Tan finish. The magazine is multi‑caliber compatible per manufacturer information and is constructed from steel.

Key Specifications

• The magazine capacity is 20 rounds.
• Compatible calibers are listed as 277 SIG FURY / 6.8x51mm / 6.5 Creedmoor / 7.62 NATO.
• The magazine construction material is Steel.
• The finish/color is Coyote Tan.
• The model/fit is specified as MCX-SPEAR for Sig MCX-SPEAR firearms.
• The magazine type is Double Stack.
• The baseplate material is Steel.
• The magazine includes Side witness holes for round count visibility.
• The magazine accepts rounds up to 2.850 in length as listed by the manufacturer.
• The listed weight value is .266 (unit not specified in source data).

With factory specification and multi‑caliber compatibility, this Sig Sauer MCX‑SPEAR magazine is a straightforward replacement option for owners seeking a steel, double‑stack 20‑round magazine in a Coyote Tan finish. Its design follows the manufacturer’s stated features for fit and compatibility.