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JP Enterprises .936 Adjustable Alum. Gas Block JPGS-8

JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
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JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
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JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
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JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8
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JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8

Tap Tap to Zoom

Questions & Answers
Can anyone explain on exactly how to tap the gas tube.. ridiculous... Expert Answer

The instructions can be found here in regards to installation of that gas block and instructions on how to properly pin/tap the gas block to the barrel: https://www.jprifles.com/document_pdfs/JPGS8_756.pdf

by Armando R., Gear Expert, March 22, 2019
See 1 More Answer
will this fit under an aero precision atlas handguard Expert Answer

Yes it should, it is intended to mount underneath many hand guard models on the market. Please make sure you a have a barrel that uses a .936 gas journal it will fit.

by Bethany Kopel, Gear Expert, February 25, 2021
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Review of the JP Enterprises .936 Adjustable Alum. Gas Block, BY TMP, UNION, N.J. by TMP, Verified Owner, April 14, 2016
This adjustable gas block allows the precision shooter to fine tune the amount of gas required to eject the spent brass and reload another round without beating your rifle to death. This device is only for direct gas guns & not a piston system. Most ...
Read More...
4/4 found this helpful
Helpful Positive Review
Excellent Quality by Clint H, Verified Owner, April 13, 2017
I am always impressed with the extra effort JP puts in to their products. The build quality and engineering on this gas block are both outstanding. Thanks OP for the quick delivery and great prices on the parts I want for my builds.
1/1 found this helpful
Helpful Positive Review
J.P. Adjustable Gas block by Ray, Verified Owner, January 31, 2017
Has a low profile and fits under various hand guards, I used it to fit under a Seekins rail and it worked perfectly. When tapping the gas adjustment hole with the bottoming tap be sure to use a good quality one. My bottoming tap broke off inside the ...
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1/1 found this helpful
Helpful Negative Review
Don't buy this, there are way better and easier ones out there. by Steve, Verified Owner, December 21, 2019
This thing is ridiculous to say the least.. Comes with the most over complicated, out of order instructions I've ever seen. My gas tube hole didn't line up with the gas block to begin with. It doesn't even tell you why you need to tap the gas tube. I...
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3/3 found this helpful
Most Recent Reviews
Requires Machining and additional tools by Aaron, Verified Owner, September 10, 2018
Bought many gas blocks,, never had to buy additional tools and machine them as part of basic install, of course they leave this out until the end of the install. Instructions incomplete. Probably be returning this product,, expected more from JP......
Read More...
3/5 found this helpful
Most Recent Reviews
Jp .936 adj gas block by Toby M, March 22, 2018
I have to be honest , I expected a lot more from JP when it comes to an adjustable gas block . In order to adjust you have to back off the set screw from the front then adjust a screw counter clockwise from the right side of the block and are complet...
Read More...
5/6 found this helpful
Read All 11 Reviews

Product Discontinued by Manufacturer

JP Enterprises .936 Adjustable Alum. Gas Block has been discontinued by JP Enterprises and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Parts, AR Gas Blocks yourself to try and find the perfect replacement for you!

Product Info for JP Enterprises .936 Adjustable Alum. Gas Block

Customize your weapon with the JP Enterprises Adjustable Gas System Model JPGS-8 so you can tune your bolt velocity to a particular load and optimize firing feel. These AR Gas Blocks from JP Enterprises mount underneath many available hand guard models. This JP Enterprises Adjustable Gas System mounts securely because of the locking adjustment feature, which consists of an integral brass set screw that can be tensioned against the adjustment screw after it has been set. These gas systems provide better heat dispersal due to full coverage sealing around the gas port. The JP Enterprises Adjustable Gas Block Model JPGS-8 provides one more way to make your gun perform like a champ.image

Specifications for JP Enterprises Adjustable Gas Block JPGS-8:

Material: 6061 T6 Aluminum
Finish: Black Hardcoat Anodized
Weight: 2.7 oz.
Length: 1.88 in.
Minimum recommended tube ID: 1.75 in.

Features of JP Enterprises JPGS-8 Adjustable Gas System:

  • Easy to access side gas adjustment
  • True clamp-on design with eight positive clamping screws
  • Low profile, rail-free design allows installation under hand guards
  • Suitable for any small-frame application
  • Use of the JPGS-8H is required for the following uses:
  • a) Mounting on barrels with OD behind the gas block of 1.12 in. or higher such as the DPMS LR-308 SASS barrels
  • b) Mounting on .308 barrels with JP MK III Hand Guard System

Package Contents:

  • JP Enterprises Adjustable Gas Block
  • 6-32 x 1/2 in. socket head screws for attachment
  • T15 Torx drive (Torx key included)
  • 5/64 x 1/2 in. roll pin for gas tube installation
  • 6-32 x 3/8" stainless set screw for adjustment
  • 1/16 hex drive (hex key included)

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JP Enterprises .936 Adjustable Alum. Gas Block Unavailable & Discontinued Models

List of Unorderable Models

  • JP Enterprises .936 Adjustable Gas Block, Bull BARrel Aluminum, Black, Black JPGS-8 , MPN: JPGS-8 , UPC: 812872021492 , Code: J5-RGB-JPGS-8
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Last updated 2026-07-19 UTC.