![APS M4 CQB-R Convertible Barrel Adapter / Extension Set (Thread: 14mm- Negative), Accessories & Parts, External Parts, Barrel Extensions - Evike.com Airsoft Superstore APS M4 CQB-R Convertible Barrel Adapter / Extension Set (Thread: 14mm- Negative), Accessories & Parts, External Parts, Barrel Extensions - Evike.com Airsoft Superstore](https://www.evike.com/images/21/large/aps-27518.jpg)
APS M4 CQB-R Convertible Barrel Adapter / Extension Set (Thread: 14mm- Negative), Accessories & Parts, External Parts, Barrel Extensions - Evike.com Airsoft Superstore
![Matrix 4.5" Outer Barrel Extension for M4/M16 Profile Barrels, Accessories & Parts, External Parts, Barrel Extensions - Evike.com Airsoft Superstore Matrix 4.5" Outer Barrel Extension for M4/M16 Profile Barrels, Accessories & Parts, External Parts, Barrel Extensions - Evike.com Airsoft Superstore](https://www.evike.com/images/21/large/aimtop-33478.jpg)
Matrix 4.5" Outer Barrel Extension for M4/M16 Profile Barrels, Accessories & Parts, External Parts, Barrel Extensions - Evike.com Airsoft Superstore
![Angel Custom Barrel Extension Stabilizer w/ O-Ring for Airsoft Rifles (Length: 1.5" / Negative Threading), Accessories & Parts, External Parts, Threaded Adapters - Evike.com Airsoft Superstore Angel Custom Barrel Extension Stabilizer w/ O-Ring for Airsoft Rifles (Length: 1.5" / Negative Threading), Accessories & Parts, External Parts, Threaded Adapters - Evike.com Airsoft Superstore](https://www.evike.com/images/154/large/kimry-90680.jpg)