Type 1 chrome Bore-Up cylinder

Type 0 Chrome Bore-Up Cylinder

Made of brass

• Cylinder covered with chrome
• Inner part polished for efficiency
• Designed for M4A1/SR16 and similar replicas with inner barrels 360mm to 450mm long
• Increased diameter for use with Bore-Up cylinder heads and pistons

Type: 1

Designed for: M4A1/SR16

Manufacturer: Guarder

Type 1 chrome Bore-Up cylinder