Sierra MatchKing 6.5mm .264 142gr HPBT Bullets 500 brand_-ISOtunes We designed the Ambient Jacket

We designed the Ambient Jacket to be durable

Made in the UK by Gr8Fun

while the touch-fastening strap means the fit can be tweaked without fiddly buckles

This metal housing effectively dissipates the heat generated by electronics and increases the consistency of operation during long-term observation

The interior is lined in green felt to keep cartridges secure and prevent rattling

Sierra MatchKing 6.5mm .264 142gr HPBT Bullets 500 brand_-ISOtunes We designed the Ambient JacketSierra's MatchKing 6. 5mm (. 264") 142 grain Hollow Point Boat Tail is a component bullet for handloaders, supplied here in a bulk box of 500 not loaded ammunition. Sierra draws the jacket to very thin, tightly held tolerances in both diameter and weight, and finishes each bullet with a small meplat to maximise ballistic coefficient. This 142 grain design has a longer ogive radius than Sierra's 140 grain MatchKing, giving it an even higher ballistic