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Rifle Parts Gas System Parts Gas Blocks JMAC CUSTOMS GAS BLOCK COMBO WITH DETENT HOLE - ADJUSTABLE Support

The JMAC Customs Gas Block Combo features a detent hole, fits 0.591" barrels, and is perfect for custom Pistol, SBR, and Rifle builds with a lightweight design.

JMAC CUSTOMS GAS BLOCK COMBO WITH DETENT HOLE - ADJUSTABLE

GBC-13-W-ADJ 100800075
Variations
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Variations:

Variations:

The JMAC Customs Gas Block Combo features a detent hole, fits 0.591" barrels, and is perfect for custom Pistol, SBR, and Rifle builds with a lightweight design.
GAS BLOCK COMBO WITH DETENT HOLE - GAS BLOCK COMBO WITH DETENT HOLE - ADJUSTABLE
169.9 GBP 0 £169.90 *
Not available
Style: Front Sight Product no.: 100800075
Not available
169.9 GBP 0 £169.90 *
-9 %
The JMAC Customs Gas Block Combo features a detent hole, fits 0.591" journals, and is ideal for custom builds, enhancing performance and aesthetics.
GAS BLOCK COMBO WITH DETENT HOLE
154.9 GBP 2 £154.90 * £169.90
In stock
Style: Front Sight Product no.: 100800074
In stock
154.9 GBP 2 £154.90 * £169.90
154.9 169.9 2 GBP
169.9 GBP £169.90

Prices inclusive of duty & VAT.

Product no.: 100800075

Mfr. No.: 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.
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154.9 169.9 2 GBP
Description Specification Customers reviews Accessories

JMAC CUSTOMS GAS BLOCK COMBO WITH DETENT HOLE - ADJUSTABLE

169.9 GBP £169.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.
Requires order by phone

Description:

Elevate your firearm's performance with the JMAC Customs Gas Block Combo.

The Gas Block Combo is a collaboration with Sabrewerks13, designed to enhance your shooting experience. This model features a detent hole at the front, making it a perfect choice for Pistol, SBR, and Rifle builds.

Key Features:

  • Includes a detent hole for added functionality.
  • Inspired by the East German 74nk Front Sight Gas Block Combo.
  • Lightens the front end for a custom look.
  • Fits common 0.591" gas block barrel journals.
  • Equipped with a 90° gas port, direct replacement for most 90° gas blocks.
  • Compatible with 45° gas ports with minor gunsmithing.
  • Uses standard front sight windage drum and pin (available for purchase).
  • Available with detent and spring at the 12 o'clock location.
  • Accepts standard AKM spring and detent.
  • Built-in cleaning rod holder for convenience.
  • Cast in the US using Wax Casting techniques similar to modern Russian barrel components.
  • Machined in the US from 4140 Heat Treated steel to Rockwell 32C.
  • Black Nitrided in the US for durability.

Installation: JMAC recommends having a Kalashnismith install the Gas Block Combo for optimal performance.



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

Customers reviews

Customer ratings (0)

0 / 5

Variations:

The JMAC Customs Gas Block Combo features a detent hole, fits 0.591" barrels, and is perfect for custom Pistol, SBR, and Rifle builds with a lightweight design.
GAS BLOCK COMBO WITH DETENT HOLE - GAS BLOCK COMBO WITH DETENT HOLE - ADJUSTABLE
169.9 GBP 0 £169.90 *
Not available
Style: Front Sight Product no.: 100800075
Not available
169.9 GBP 0 £169.90 *
-9 %
The JMAC Customs Gas Block Combo features a detent hole, fits 0.591" journals, and is ideal for custom builds, enhancing performance and aesthetics.
GAS BLOCK COMBO WITH DETENT HOLE
154.9 GBP 2 £154.90 * £169.90
In stock
Style: Front Sight Product no.: 100800074
In stock
154.9 GBP 2 £154.90 * £169.90

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