Metal Concavo-Convex with 14mm Inverse Thread Connector -

Features:
.Made of metal, durable in use
.The whole length is 13cm, inside diameter is 11mm, outside diameter is 19mm, Outside diameter of front thread joint is 14mm, inside diameter of rear thread joint is 14mm
.Suitable for modification of water gel beads , but matching RIS/RAS/RAILS are needed for modification. Suitable for JM Gen.8/9/10 M4 / BD556 fission
Specifications:
.Color: Black
.Material: Metal
.Inside Diameter: 11mm
.Outside Diameter: 19mm
.Outside Diameter of Front Thread Joint: 14mm
.Inside Diameter of Rear Thread Joint: 14mm
.Whole Length: 13cm
.Product Size: 12 x 1.9 x 1.9cm
.Product Weight: 80g
.Package Weight: 110g
.Packing: Bag
Package Content:
.1 x Concavo-Convex