HK MR556 (Civilian HK416) to 500yds: Practical Accuracy

Practical Accuracy scoreboard now on Patreon! 👉 The HK 416 was developed as a contender for special operations deployment as an operator’s service rifle. Nowadays, H&K offers the HK416 system in a civilian for, the MR556, with a heavy target barrel and lockable receivers. How does this compare to the 416? How does this perform on the service rifle range?  Ammunition used: IMI Razor Core 77gr match  Scope used: Vortex Gen II-E 1-6 Razor Mount