Tisas 1911 Double Stack Polymer Mainspring Housing – Black

This high‑strength polymer mainspring housing is an OEM replacement for Tisas Double Stack Duty and Carry pistols. Featuring a textured checkered surface for improved grip, it installs easily and fits MAC 9 Double Stack models as well.

Notable Features:

• High‑Strength Polymer

• Checkered Grip Texture

• Fits Tisas 1911 Duty & Carry Double Stack

• Compatible with MAC 9 Double Stack