Metal HopUp chamber for M4/M16 [Big Dragon]Metal HopUp chamber for M4/M16 [Big Dragon]

Metal HopUp chamber for M4/M16

Manufacturer: Big Dragon
Product SKU: 213
Availability: Not in stock
Description

A high precision replacement hop-up unit. Made of metal alloy for better durability.

 Material  Metal alloy
 Usage  For M4/M16 series
 Purpose  Durability
 Weight  45g