K&M - Micro-Adjustable Neck Turner 50deg 3 in 1 10x-60x56mm employs "High Master Lens

10x-60x56mm employs "High Master Lens System" and "Temperature Anti-Drift Lens System"

so it's surprisingly compact

5×47 Lapua

with a quality shooting rest

K&M - Micro-Adjustable Neck Turner 50deg 3 in 1 10x-60x56mm employs "High Master Lens50MANTCRB Includes Neck Turner Body (carbide with 50deg cutter), Power Adapter and Handle. NTBODYCRB Neck Turner Body (carbide, 50deg cutter) only The K&M neck turner has a very unique cutter adjustment mechanism that allows for a very precise cutter adjustment. This design incorporates very fine pitched threads of a screw within a screw concept which yields 0. 002 cutter advance for each rotation of the adjustment nut. As a point of reference and