Have you seen the new CBS seal team Season 3 ?
All the coolest boys in the school is now running the 14.5" 416.
Sure we HAO are here to help you turn your 10.5" HK416 into 14.5" setting.
The 14mm CCW steel made extension barrel can apply on most of Airsoft 416 platform.
The 16" can be used for your DMR setting.