HK416D Next Generation Tritium Front Site concealment Dual Bore Barrel End-Crown Diameter:

Dual Bore Barrel End-Crown Diameter: ~7

resulting in quicker follow-up shots and improved full auto rate of fire

This sniper can be modified to function as:

KSG Shotgun Shell Quick Release Wide Handle

this version will safely charge both lithium ion and lithium polymer incredibly fast  and convenient (FCC

HK416D Next Generation Tritium Front Site concealment Dual Bore Barrel End-Crown Diameter:*Self illuminating! No electrical energy needed!! *Approx. 12 years long lifespan!! Tritium sights are self illumination, requires no electricity. Approx. 12 year long lifespan!! Tested under strict examination in Japan! The base is made with duralumin, designed specifically for the HK416D, so you can simply replace the original part! Make your dark and night games better with accurate sighting!