raineirarms

JMAC Customs GBC-13 AK Gas Block Without Detent Hole

Gas Block

In stock
Only 2 left
JMAC Customs GBC-13 AK Gas Block Without Detent Hole
$107.96

PLEASE NOTE: These come stripped, they do not include the windage drum, front sight post, or barrel component pins. This does NOT have 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
  • 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


Weight 3.59oz

More Information
SKU GBC-13-WO
Product Type Gas Block
Manufacturer JMAC Customs
Option Non-Adjustable

Product Recommendations

Google Customer Reviews Google Customer Reviews