APS M4 CQB-R Convertible Barrel Adapter / Extension Set (Thread: 14mm- Negative)

Features

• Aluminum alloy construction
• Matte black finish
• Short, medium and long sections allow for customizable barrel length
• 14mm barrel threads

Included Lengths: .75", 1.6", and 3.75" (21mm, 41mm, and 96mm)
Compatibility: 14mm threaded barrels
Material: Aluminum Alloy

Manufacturer: APS