Gearbox / Internal Part's

Nuprol M4 Metal 1pc Hop up unit

£16.00
Product code: NUP-04-01
Improves Firmness of the chamber & stabilizes the muzzle velocity
Enhanced Hop-Up Bucking for Accuracy
Also, fit tightly to the barrel base to keep the chamber being centered
Replacement hop unit for M4 style AEG's.

This Nuprol One-Piece Metal Chamber Set is more durable and accurate in feeding BB 
Improves Firmness of the chamber & stabilizes the muzzle velocity 
Enhanced Hop-Up Bucking for Accuracy. 
Also, fit tightly to the barrel base to keep the chamber being centered 

Includes all parts needed for installation  

 
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Condition New