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JP Low Profile Adjustable AR Gas Block System .936 Bore
JP Low Profile Adjustable AR Gas Block System .936 Bore

JP Low Profile Adjustable AR Gas Block System .936 Bore

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On sale: $78.00 $76.46
Retail Price:$89.95
You Save:$13.49(15%)
Part Number: 135-JPGS-8
Availability: IN STOCK

JP Low Profile, Non-Railed
Adjustable AR15 Gas Block System .936 Bore

Allows tuning the AR15 bolt velocity to reduce bolt slamming, manage recoil, and increase accuracy potential. The JPGS-8 model gas block is our low profile large bore (.936 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 8 positive clamping screws
  • Easy to access side gas adjustment
  • Also available in .750 dia bore


  • Low profile, rail-free design allows installation under hand guards
  • Material: 6061 T6 Aluminum
  • Finish: Black Hardcoat Anodized
  • Weight: 2.7 oz.
  • Length: 1.88"
  • Height: 1.38" (overall), .77" (over bore)
  • Width: 1.34"
  • Minimum recommended tube ID: 1.75"
  • Attachment: 6-32 x 1/2" socket head screws, T15 Torx drive (Torx key included)
    (includes 5/64 x 1/2" roll pin for gas tube installation)
  • Adjustment: 6-32 x 3/8" stainless set screw, 1/16 hex drive (hex key included)


The installation of this gas block requires use of a 6-32 H1 or H2 bottoming tap. If you do not own such a tap, you can add one to your order at right. Click the link to the JPGS-8 instruction sheet below for more details.

Product Instructions

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