INCLUDES: Hop Bucking and Nub
UNICORN Nitroflon Coating 6.03MM Ultimate Precision Inner Barrel For AEG with Hop-Up & Hop Up Knob/Nub and AEG Fixed copper ring.
outer: 8.55MM
inner: 6.03MM
material: Brass electroplating nitroflon coating
included: UNICORN AEG 60 degree Hop Up Bucking
included: UNICORN 50 degree Rubber Hop Up Knob/Nub
included: AEG Fixed copper ring