(G)as (B)lock (C)ombo (13) Collab with Sabrewerks13 (Without) detent hole

PLEASE READ THIS FIRST: 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 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
• 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

We recommend having a Kalashnismith install.