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Angel Custom Steel Valve Knocker for KWA ATP Gas Blowback Airsoft Pistol

ID: 56074 (ACC-ATP-VK)
Angel Custom56074
3.0 stars, based on 1 reviews
Angel Custom Steel Valve Knocker for KWA ATP Gas Blowback Airsoft Pistol
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$15.00 $12.75


  • CNC machined steel upgrade component
  • Machined to factory specifications ensuring drop in fitment
  • Improved durability over factory knocker
Compatibility: KWA/KSC ATP gas blowback pistols
Material: CNC machined steel

Manufacturer: Angel Custom

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1 Customer Review

(Write a review)

by Simon G. on 10/20/2016
"This is a very finicky install. Extremely finicky. By far the hardest install I have done. That isn't saying much because I have little to no background in upgrading lowers.
Disassembly is always easy enough, but watch every single thing you take apart with extreme detail. It makes it much harder to figure out how to put it back together if you don't know how it looked when it started.

The hardest part is hooking the tiny spring back to the knocker. This will require patience and a thin string. Hook the spring with the string, and pull up the spring while positioning the knocker to try to get under the hook opening and just play with it until it hooks.

This is for purely removing questions about the integrity of the atp. Also this is great for learning about your gun which I value.

I love what Angel Custom offers for the atp, and would love to see a 6.03 inner barrel and possibly a 140mm extended barrel compatible with this hop to add even better accuracy + range. I would be sold the day it came out.

3*** Not a bad product, but the hard install outweighs the benefits.

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