Kratos Gas Block / SOLGW Gas Tube Bundles | .750″

MSRP: $61.75 - $61.95
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(9 customer reviews)

The Kratos Design Group Gas Block is CNC machined from precision ground 4140 steel bar stock. Featuring a .750 gas journal and a QPQ finish it is an incredibly robust low-profile gas block.

Several features throughout make the installation and maintenance easier.

  • Located directly opposite the gas port hole is a small witness hole that you can use to verify proper alignment of the gas block over the barrel’s gas port. Jordan B. is responsible for providing Kratos Design Group with the idea for this hole. It’s a simple and effective way to visually confirm proper alignment.
  • On the front of the gas block, there is a small hole that can be used to aid in the removal of the gas tube when needed for replacement or inspection. A 1/16″ punch can be used.
  • Our gas block also features a built-in shelf to make drilling easier when pinning the gas block to the barrel. A ⅛” drill bit and ⅛” x ⅝” steel pin is recommended.
  • Included are (3) 10-32 black oxide knurled set screws with a Rockwell hardness of C-45. We include an extra screw because they are easy to lose. Also in the package are (2) stainless steel gas tube coil pins.
    Set screw spacing: .400” Screw size: 10-32 (3/32” drive)
    Weight: 1.4oz

100% made in Texas from US-made steel.




4140 Precision ground US steel. Heat treated and QPQ’d. Honed to 0.750″ID. Machined in TX.


10-32 black oxide alloy steel knurled cup-point set screws.  Rockwell hardness of C-45. Allen key drive size: 3/32″. Made in the USA


420 Stainless Steel coil pin. 550 pound breaking strength, Rockwell hardness of C46. Chamfered at both ends. Made in the USA


-Witness Hole to Verify Gas Port Alignment
-Machined Shelf for Pinning To Barrel
-Front of Gas Block Drilled For Gas Tube Removal
-4140 Steel
-QPQ & Heat Treated
-.750″ ID
-(3) Knurled Set Screws Included
-(2) Gas Tube Coil Pin Included
– Made in Texas
-Lifetime Warranty

Sons of Liberty Gas Tubes QPQ – Includes coil spring pin


Additional information

Weight 2 oz
Dimensions 1 × 1 × 1 in
Gas System Length

Carbine, Mid-Length, Rifle, Pistol

9 reviews for Kratos Gas Block / SOLGW Gas Tube Bundles | .750″

  1. Sergie Bodunov (verified owner)

    Love the design with hole to aligned the gas hole. Definitely made my life little easier

  2. mateothe7th (verified owner)

    Stellar gas block. I’ll be hard pressed to use anything else from now on. That witness hole is genius. The combo just makes this a no brainer.

  3. Anthony (verified owner)

    Great price for a dead easy to install gas block, fast shipping.

  4. Arturo Gonzalez (verified owner)

    Great Combo!

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