Carbon Rail Barrel for Speargun upgrade

O.D.: 30.3 mm   I.D.: 26.7 mm
Wall Thickness:  1.8 mm
Length : 60cm 70cm 80 cm 90cm 100cm 105cm 110cm 115cm 120cm 125cm 130cm
135cm 140cm
Offset : (Rail height) 2.3 mm

Please Note:
This is DIY product in special order so you need to check your parts careful and 100% can fit our DIY parts, you just buy it. 
Before you order this produce, please make sure you have ability to modify your muzzle plug to match our barrel ID, in this special order we are not accept refund and we sale this barrel is not for customer order for test purpose.

We have checked the barrel ID it can fit Rob Allen handle as well.