Gas Block Combo Without Detent Hole

These come stripped, they do not include the windage drum, front sight post, or barrel component pins.

This uniquely made AK gas block started with a high definition scan of an original part from Larry Vickers, then JMAC teamed up with Sabrewerks13 to oversee the casting process, and finally back to JMAC for machining. This does NOT have a Detent Hole in the Front.

Available fixed or as an adjustable gas model.

• 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 gunsmithing
• Uses standard front sight windage drum and pin (available for purchase here - Windage Drum Front Sight Post)
• 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
• Weighs 3.59oz
• JMAC recommends having a Kalashnismith install.