GBL M4 Captain America Metal Hop Unit New Version

$85.00

  • Brand: GBL
  • Product Code: GBL-M4-HOP
  • Availability: In Stock

GBL M4 Captain America Metal Hop Unit New Version

DIY ability required !

Feature :
No need to remove rail, it can adjust directly.
- There are two ways to adjust HOP.
● Material: Metal made
● Shooting range: above 70M (test with 0.36bb)
● It can be matched with Maple leaf inner barrel. (275/310/370mm)
● Only compatible with GBB inner barrel
   (The original GHK inner tube is AEG specification)

[Click here] to see the tutorial of installation.
2023 Upgraded version : 
Added function that can be adjusted with GHK Patented Adjustment tool. 
Here can buy the GHK Patented Adjustment tool. [Click here]

 

※The product can't use on Forging Receiver Special chamber.
If you have Forging Receiver you can change to original chamber (M4-11) to fit this product.