Over 300,000 customers - we say thank you!

40,000+ products for hunting and shooting sports

JMAC CUSTOMS
GAS BLOCK COMBO WITH DETENT HOLE

100800074
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.
169.9 169.9 2 GBP
Product no.: 100800074
JMAC CUSTOMS GAS BLOCK COMBO WITH DETENT HOLE
Mfr Part: GBC-13-W 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.
169.9 GBP 0 £169.90 *
Is a 'Call to order' product.
Backordered, delivery time approx. 4-12 weeks from the USA warehouse.
Specs: Style: Front Sight

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The GAS BLOCK COMBO is a collaboration with Sabrewerks13 featuring a detent hole, ideal for customizing pistols, SBRs, and rifles.
  2. Compatible with 0.591" barrel journals and can replace most 90* gas blocks, also works with 45* ports with some gunsmithing.
  3. Manufactured and machined in the US, this gas block is cast using wax techniques and is heat treated and black nitrided for durability.

Attributes

Style: Front Sight Delivery weight: 0.104kg Shipping height: 19mm Shipping width: 102mm Shipping length: 146mm

Item details

Made in USA
US export classification: 0A501.x




Product no.: 100800075
JMAC CUSTOMS GAS BLOCK COMBO WITH DETENT HOLE - ADJUSTABLE
Mfr Part: GBC-13-W-ADJ GBC-13-W-ADJ 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.
169.9 GBP 2 £169.90 *
Is a 'Call to order' product.
Delivery time approx. 7-14 days.
2 pcs. in the USA warehouse
Specs: Style: Front Sight

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The GAS BLOCK COMBO WITH DETENT HOLE is a collaboration with Sabrewerks13, designed for custom builds to lighten the front end of a firearm.
  2. It fits 0.591" gas block barrel journals, has a 90* gas port, and requires minor gun-smithing for 45* gas ports.
  3. Manufactured in the US, the gas block is made of 4140 Heat Treated steel, features a black nitride finish, and is recommended to be installed by a professional.

Attributes

Style: Front Sight Delivery weight: 0.104kg Shipping height: 19mm Shipping width: 102mm Shipping length: 152mm UPC : GBC-13-W-ADJ

Item details

Made in USA
US export classification: 0A501.x

Upgrade your build with the JMAC Customs Gas Block Combo 🔧. Perfect for Pistol, SBR, and Rifle setups, featuring a detent hole for precision.

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.
Back to top