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JP Low Profile Adjustable AR15 Gas Block System .750 Bore

JP Low Profile Adjustable AR15 Gas Block System .750 Bore

Your Price:$69.00
Retail Price:$79.95
You Save:$10.95(14%)

Part Number:135-JPGS-5B

JP Low Profile, Non-Railed
Adjustable AR15 Gas Block System .750 Bore

  Allows tuning the AR15 bolt velocity to reduce bolt slamming, manage recoil, and increase accuracy potential. The JPGS-5B model gas block is our low profile large bore (.750 dia) model with a non-railed design to fit under extended handguards. This model also now includes our locking adjustment feature, which consists of an integral set screw that can be tensioned against the adjustment screw after it has been set to prevent any migration that might occur.

  • Full coverage around gas port providing improved seal and better heat dissipation
  • True clamp-on design with three positive clamping screws
  • Easy to access side gas adjustment
  • Also available in .936 dia bore
5 Stars
Works great and fits under slim grip, but adjustment can be tricky. Adjust then mount forearm grip if the adjustment does not line up. Bought first one for 300 Blackout SBR this one for 300 Blackout pistol. Can adjust for minimum recoil and maximum silence. Easy install.
Reviewed by:  from TN. on 6/27/2017
5 Stars
The product was shipped and arrived in a very timely manner. The gas block works fantastic as all the JP block I have I'll order again when I need to set up another AR
Reviewed by:  from Pennsylvania. on 11/27/2016
5 Stars
Top teir quality
I ordered this gas block to replace my Anderson adjustable gas block that gave me lots of problems and I couldn't be happier. This thing is built like a tank yet has a wonderful look and exceptional fit and finish. JP definitely delivers the goods!
Reviewed by:  from Wisconsin. on 10/19/2016
5 Stars
Great Gas Block
Great fit and finish and fully adjustable.
Reviewed by:  from Hadar NE. on 9/24/2016
5 Stars
Jp gas block
Very nice quality, great price, and fast shipping
Reviewed by:  from Louisiana . on 9/9/2016
4 Stars
Very solid part, with great fitment and performance. Only complaint is you might have to drill a small new hole in your handguard/forearm to have access to the adjustment screws.
Reviewed by:  from Wetumpka. on 8/20/2016
5 Stars
Jp makes quality products.
When I received my jp adjustable gas block i was impressed by the product and packaging. It has a very nice even finish, good looking hardware, and proper fit. It comes in a nice package with the tools you need for installation and instructions. There was a small burr in one of the tapped holes, but it was easily removed and the set screw threaded in fine. Other than that I can't find anything remotely bad to say about it.
Reviewed by:  from Ohio. on 5/30/2016
5 Stars
Shooting Enthusiast
As with all of JP's products the fit and finish was great and I recieved the part 3 days after I placed the order, not 7 - 10 days like most other sites. The only problem I had was with the gas tube hole, there was some type of what I believe to be tumbling media in it and at first I couldn't get the gas tube in far enough. I took a small drill bit and gently cleaned it out, then everything matched up nice. The weather hasn't been cooperative lately so I haven't had a chance to use it but with JP's reputation I'm sure it will perform as advertised.
Reviewed by:  from Colorado. on 4/28/2016

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