Bloke denudes his match K31 of its diopter to explain all the funny business going on with the tangent rearsight.
Here's a photo of the B4 target mentioned in the video: https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-xpl1/t31.0-8/13308465_232954337087402_4713610398358302671_o.jpg
And another - the 4 ring is 20cm for scale: https://scontent-ams3-1.xx.fbcdn.net/v/t1.0-0/s480x480/13312751_231649413884561_4240797484083878703_n.jpg?oh=f80beeca5ed3bd803b3555926889f80b&oe=57D460E3
Firearms history, blokesplaining firearms mechanics, mythbusting, shooting sports and kitschy sketches all in one place. An often dry and sarcastic look at whatever takes the Bloke's and the Chap's fancy in the world of guns and shooting.