Product Overview
Upgrade your Vz.58 5.56x45mm rifle or pistol to accept mil-spec USGI M16/AR-15 magazines with this precision-engineered mag well adapter from Czech Small Arms. Constructed from high-strength Zytel 80G25H polymer, this second-generation adapter includes all necessary components for installation and is specifically designed to function with aluminum USGI mags.
The adapter features a built-in bolt catch that locks the bolt to the rear on an empty magazine, maintaining optimal function and user feedback. While designed for mil-spec aluminum mags, CSA has tested and confirmed compatibility with a range of reliable manufacturers.
Compatibility Note:
This adapter is only for Vz.58 rifles and pistols chambered in 5.56x45mm. It is not compatible with 7.62x39mm variants.
Recommended Magazines:
- NHMTG
- D&H Industries
- Okay Industries
- Lancer L5AWM
Test Results:
- Surplus Colt, Adventure Line, and Labelle USGI mags: Excellent fit and function
- P-Mags, E-Mags, and TangoDown ARC: Require minor filing to fit
- Orlite, Thermold, old 20-round mags, and some Brownells or C-Products: Not fully compatible or inconsistent performance
Key Features:
- Converts Vz.58 5.56mm rifles/pistols to accept USGI M16/AR-15 magazines
- Made from Zytel 80G25H polymer – lightweight and durable
- Includes bolt catch for automatic lock-back on empty mags
- Drop-in design – all required parts included
- Designed specifically for mil-spec aluminum USGI magazines
