Description
Gas Block Combo
- 13 Collab with Sabrewerks13
- With detent hole
- This HAS a detent hole in the front
GBC-13 is a copy of the East German 74nk Front Sight Gas Block Combo
- Perfect for Pistol, SBR, and Rifle builds to lighten up the front end and give it a custom look
- Fits common 0.591″” gas block barrel journals
- Has 90* gas port and is a direct replacement for most 90* gas blocks, will work on 45* gas ports with minor gun-smithing
- Uses standard front sight windage drum and pin (available for purchase here – Windage Drum Front Sight Post
- Available with detent and spring at 12 o’clock location. Accepts standard AKM spring and detent
- Has built in cleaning rod holder
- Cast in the US using Wax Casting techniques similar to the modern Russian barrel components
- Machined in the US
- 4140 Heat Treated to Rockwell 32C
- Black Nitrided in the US
JMAC recommends having a Kalashnismith install.
