Precision Armament M4 Muzzle Thread Adaptor – 1/2-28 to 5/8×24
This precision-engineered muzzle thread adaptor allows you to mount 5/8-24 threaded devices onto 1/2-28 threaded barrels. It’s ideal for attaching muzzle brakes, suppressors, and other accessories to standard AR-15/M16 barrels with perfect alignment.
This adaptor is manufactured from pre-hardened 400-series stainless steel and offers superior heat and corrosion resistance. Its compact design adds minimal length while maintaining full thread integrity.
Product Highlights:
- Wrench flats for easy installation/removal
- Visible shoulder after installation
- Single-point cut internal and external threads
Specifications
- Brand: Precision Armament
- Model: M4 Muzzle Thread Adaptor 1/2-28 to 5/8×24
- MPN: A02002, A02001
- Thread Conversion: 1/2-28 to 5/8-24
- Material: HTSR 400-series stainless steel
- Finish Options:
- PVD matte-black
- Matte stainless
- Construction: CNC machined
- Thread Tolerance: UNEF Class-3
- Forward Extension: 0.100″






















