The GBC-13 is a high-quality replica of the East German 74nk gas block, designed to enhance AK builds with a lightweight yet durable construction. Precision-cast from 4140 steel, machined, heat-treated, and black nitrided in the USA, it offers exceptional strength and corrosion resistance. The detent version is ideal for SBRs and pistols, while the non-detent option suited for rifles with pinned and welded muzzle devices. Choose between the standard version or the adjustable model, which allows for fine-tuned gas flow.
Key Features:
- Authentic Design – Classic East German 74nk style
- Versatile Fit – Works with 0.591″ barrel journals, fits 90° gas ports (45° with minor mods)
- Durable & Corrosion-Resistant – Heat-treated 4140 steel, black nitride finish
- Perfect for Pistol, SBR, and Rifle builds to lighten up the front end and give it a custom look
- Uses standard front sight windage drum and pin
Specifications:
- Constructed from durable 4140 Steel casting and precision machined
- Black QPQ Nitride Finish
By purchasing JMac GBC-13 AK Gas Block Non-Adjustable w/o Detent Hole Black from our online store, you are guaranteed to receive a high-quality item. We work with trusted brands to offer shooting and hunting enthusiasts, both amateur and professional, quality products at a reasonable price. Choosing to buy from us means opting for quality and practicality
The actual appearance of the product may differ from the image on the website. For additional information about payment, delivery, and product specifications, please contact us by phone or email.
