The Truth About Rifle Optics

John Farnham writes [via ammoland.com]: Last weekend, a student brought an H&K MR762A1 Rifle to my Armed Response to a Terrorist Attack training course last weekend. It’s the commercial version of H&K’s 417, a gas-piston, autoloading, military rifle in 7.62×51 (308) with an “AR profile.” My student fitted his long gun with a 6x ACOG optic (6×48) mounted on the upper […]