H.A.D H-plate

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The Hadron Airsoft Designs H plate, designed to fit under the hop arm of the G17/G18 (excl. WE),  Mk23. ASG, STTI, and TM

Works best with Flamingo or Maple Leaf Auto bot bucking.

The H plate increases the pressure on the hop rubber, using a custom designed concave pattern on the underside. The H plate sits in a self centralised position. Check the build guide sections for fitting instructions. ( Hop Arm NOT INCLUDED )

Best suited to an UN BRIDGED barrel.


See the new Hadron Airsoft H-Arm here:- Mk23 SSX23 NBB Hadron Designs H-Arm

21 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Akira Mizutani on 22nd Mar 2018

    Very good!

  • 5

    Posted by Eduardo on 12th Mar 2018

    Serious improval in hop up adjustement range,weight of bbs capability to lift to longer distances.This is a must for anyone willing to give his MK23 a much needed buff :)

  • 5
    H plate

    Posted by Darron Whitbread on 12th Feb 2018

    works well lifting 0.40g bbs getting good range,worth it to upgrade any mk23.

  • 5
    it's the best

    Posted by Gabor Fogel on 7th Feb 2018

    the best H olate for stti mk23

  • 5
    H Key

    Posted by Dillon DeJesus on 7th Feb 2018

    Allows me to use heavier weight bbs, thus allowing greater range and accuracy

  • 5
    Highly Effective

    Posted by Mike Walworth on 30th Jan 2018

    This is super easily installed. Took me 3 minutes with a screwdriver. Combined with the TDC dust cover, I can easily hop .50 gram BBs. If someone made .75 gram BBs, this thing could probably handle them just fine. Great value, probably the single least expensive upgrade with the highest benefit in existence.

  • 5

    Posted by John Browning on 22nd Dec 2017

    Works very well. Is somewhat flexible but has no sharp edges that could potentially harm the bucking. Has a nice groove that molds to the circular shape of the bucking, it is not visible from the photos but it was a pleasant surprise. Works very well with the TDC dust cover.

  • 5
    Hadron H plate

    Posted by Mark on 19th Dec 2017

    Between the i and the h the h uses less hop to achieve the same/better ranges. Because of this i also noticed a small fps gain vs using the i key. I highly suggest this part with a maple leaf bucking you will not regret it.

  • 5

    Posted by Wayne Price on 18th Oct 2017

    Awesome upgrade, especially in conjunction with the TDC cover turns a MK23 in to a sniper !