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Questions & Answers
Will this free float handguard work with this gas block, Bushmaster BFI Free Float Handguard M-Lok? Expert Answer

The JP Enterprises .750 Adjustable Gas Block requires a handguard with an internal diameter larger than 1.40". It would not be compatible with your Bushmaster handguard.

by Ethan, Gear Expert, September 23, 2022
Is this compatible with Bushmaster AR-15 M4 MOD XM15-E2S? Expert Answer

Yes, the JP Enterprises .750 Adjustable Gas Block will replace your FSB. You will also have to remove your handguard cap and delta ring and use a free float handguard.

by Ethan, Gear Expert, September 15, 2022
Customer Reviews
Helpful Positive Review
Set it up on a shorty 300 Blk build and set it up about 4.25 turns out and runs perfectly with 147 grain and cycles reliably with 208 amax. Only problem is, the profile is a little too large for my m lock handguard where the set screw hits the handgu...
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2/2 found this helpful
Helpful Positive Review
Just drill it by Marc, Verified Owner, December 25, 2022
For the price it would not have hurt them to drill out the set pin hole. And include a dab of loctite. Any way optics planet split up my order into like five shipments all different delivery dates. One as much a a month out....
3/3 found this helpful
Helpful Positive Review
Great gas block by JoeM, February 19, 2020
Quality product and very well machined, would definitely buy again!! It was to big for one of my rifles handrail but I was able to use it on another build! The clamp on feature is best for barrels with no predrilled detent hole if you don’t wanna dr...
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2/2 found this helpful
Helpful Positive Review
The Jp low profile gas block slid onto my barrel smoothly and was easily able to align it with gas port and get it clamped onto barrel nice and snug. The adjustable set up seems to work well after you get it tuned allowing the right amount gas to go ...
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18/18 found this helpful
Helpful Positive Review
Jp gas block by Maddmaxx, January 26, 2018
This is the second jp enterprise adjustable gas block i have bought. The first was a new build . And this one is a upgrade to a dpms lr 308. Work great to tune the recoil and cycling of the weapon. To change the rail on lr308 you have to change out g...
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1/1 found this helpful
Helpful Positive Review
Easy Install by LMS Systems, Verified Owner, May 22, 2018
Great Product. Fit perfectly under my Aero Precision Rail on a Seekins Barrel. Comes with a long Allen key to adjust the block without removing the hand guard. I did not need shims or any extra parts.
1/1 found this helpful
Read All 43 Reviews
10% Bonus Bucks
Get even more OpticsPlanet Bucks with the purchase of select models to use on future purchases! You will find the amount you'll earn near eligible models.
Color: Black Size: 1.4 inAdditional Features: No Picatinny Condition: New

Code: J5-RGB-GB750-JPGS-5B

MPN: JPGS-5B

UPC: 812872021478

10% Bonus Bucks
List: $79.95Save $4.00
$75.95

Product Info for JP Enterprises .750 Adjustable Gas Block

The JP Enterprises .750 Adjustable Gas Block is an important part of the JP Enterprises recoil management system. These AR Gas Blocks from the experts at JP Enterprises contribute to a smoother shooting rifle since they help control bolt velocity. By having a qualified gunsmith install the JP Enterprises .750 Adjustable Gas Block, you can optimize the feel of your rifle by turning your bolt velocity to a certain load. Another huge feature of the JP Enterprises .750 Adjustable Gas Block is the Picatinny rail on top; it allows for use of front sights, flashlights, lasers, and other accessories with just a few simple adjustments.image

Specifications for JP Enterprises .750 Adjustable Gas Block:

Manufacturer: JP Enterprises
Color: Black
Fabric/Material: Stainless Steel
Size: 1.4 in
Additional Features: No Picatinny
Condition: New

Features of JP Enterprises .750 Adjustable Gas Block:

  • Controls bolt velocity
  • Professional looking way to eliminate the front sight on flat top rifles
  • Allows for quick-detach front sight, but this also allows for use of flashlights, lasers or any other accessory item

Package Contents:

  • JP Enterprises .750 Adjustable Gas Block

JP Enterprises .750 Adjustable Gas Block Orderable Models

List of Orderable Models

  • JP Enterprises .750 Adjustable Gas Block, Stainless Steel, Black, Black JPGS-5B , MPN: JPGS-5B , UPC: 812872021478 , Code: J5-RGB-GB750-JPGS-5B

JP Enterprises .750 Adjustable Gas Block Unavailable & Discontinued Models

List of Unorderable Models

  • JP Enterprises .750 Adjustable Gas Block, Aluminum, Black, Black JPGS-1 , MPN: JPGS-1 , UPC: 812872021423 , Code: J5-RGB-GB750-JPGS-1
  • JP Enterprises .936 Adjustable Gas Block, Bull Barrel Aluminum, Black, Black JPGS-3 , MPN: JPGS-3 , UPC: 812872021461 , Code: J5-RGB-GB750-JPGS-3
  • JP Enterprises .750 Adjustable Gas Block, Stainless Steel, Silver JPGS-5S , MPN: JPGS-5S , UPC: 812872021485 , Code: J5-RGB-GB750-JPGS-5S
  • JP Enterprises .750 Adjustable Gas Block, Stainless Steel, Black, Black JPGS-2B , MPN: JPGS-2B , Code: J5-RGB-GB750-JPGS-2B
  • JP Enterprises .750 Adjustable Gas Block, Stainless Steel, Silver, Silver JPGS-2S , MPN: JPGS-2S , Code: J5-RGB-GB750-JPGS-2S
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