Semi-Auto External Parts Collection

The Eemann Tech Aluminium Red Dot Mount for CZ Shadow and CZ Shadow 2 is precision-machined from high-strength 7075-T6 aluminium alloy to provide a lightweight and durable mounting solution for a wide range of popular red dot optics. Designed to deliver a seamless interface...

Built for competitive shooters who demand fast, consistent reloads and uncompromising performance, the Boss Components STI 2011 Aluminium Magwell is designed specifically for IPSC and USPSA Limited Division pistols. Precision CNC machined from high-quality aluminium, this magwell provides a lightweight yet durable solution for...

Upgrade your CZ Shadow 2 for modern optics without permanently modifying your slide with the Boss Components CZ Shadow 2 Dovetail Red Dot Mount. Designed as a direct replacement for the factory rear sight, this mounting solution allows shooters to securely fit a red...

Unlock the full potential of your CZ Shadow 2 Optic Ready pistol with the Boss Components CZ Shadow 2 Optic Ready Red Dot Mount. Designed to provide a secure and precise interface between your pistol and optic, this mounting plate delivers the reliability and...

Take control of your competition pistol with the Boss Components 1911 / 2011 Large Wide Thumb Rest Adjustable, engineered for shooters seeking maximum grip stability, recoil control, and consistency on the clock. Featuring an oversized wide-profile design, this thumb rest provides a larger contact...

The Boss Components CZ Shadow 2 Slide Stop is a high-quality replacement component designed to deliver reliable operation and long-term durability in one of the hardest-working parts of your pistol. Precision manufactured to suit the CZ Shadow 2 platform, this slide stop plays a...

Gain greater control and consistency from your competition pistol with the Boss Components 1911 / 2011 Adjustable Thumb Rest, designed specifically for STI and compatible 2011 platforms. Engineered to provide a stable indexing point for the support-hand thumb, this adjustable thumb rest helps shooters...

Gain a competitive edge with the Boss Components CZ Shadow 2 Extended Magazine Release, designed to deliver faster, more efficient magazine changes without compromising control or reliability. Featuring an enlarged and extended profile compared to the factory magazine release, this upgrade allows shooters to...

Speed up your reloads and enhance the ergonomics of your pistol with the Boss Components 1911 / 2011 Extended Magazine Release, designed for STI, Bul Armory, and other compatible 1911/2011 platforms. Featuring an enlarged and extended profile, this competition-focused upgrade allows for quicker and...

Looking to improve reload speed and magazine changes on your CZ Shadow 2? The Boss Components CZ Shadow 2 Magazine Release Button is a simple yet highly effective upgrade designed to provide increased contact surface and improved accessibility without compromising reliability. Machined from high-quality...