JP Enterprises D2 Series Ultra Low Profile .750 Adj Gas Block With Detent
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- Slim Profile Design: The D2 Series boasts a streamlined profile, purpose-built to fit cleanly beneath even the slimmest profile hand guards with top rail, such as our M-LOK Series.
- Short Journal Optimized: Shorter dimensions cater to shorter gas block journals such as those on Proof Barrels, ensuring a superior fit.
- Enhanced Dirt Tolerance: The exterior detent mechanism on the nut enhances dirt and carbon tolerance while the robust 5/32 drive also allows for heavier torque to overcome and easily eject fouling.
- Minute Adjustment Refinement: With 52 clicks between full open and full close, the D2 Series doubles the adjustment clicks of our current detent blocks, making them ideal for SBRs and other high-pressure/short-dwell-time barrels.
- Versatile Adjustment Options: The adjustment nut features a 5/32 hex drive and slots, providing flexibility for customization with a range of tools, including screwdrivers and knives.
- Lightweight Design: The D2 Series add negligible weight at just 2.5 oz.
- Barrel Diameter: .750/.875
- Material: 416 stainless
- Finish: Black
- Weight: 1.73 oz. to 1.76 oz.
- Length: 1.5"
- Height: 1.24" – 1.33” (overall), .79" - .81” (over bore)
- Width: 1.17" – 1.29”
- Attachment: 6-32 x 3/8" socket head screws
- (includes 5/64 x 5/16 roll pin for gas tube installation)
- Adjustment: 5/32 hex or screw driver





