"redneck gunsmithing" muzzle crown

top predator

Well-Known Member
Joined
Nov 17, 2008
Messages
273
Location
NORTHEAST PA.
this month (november 2009) i had learned the value of a barrel crown and rimfires.

i was loosing accuracy somehow, then i did a "redneck" crown job on my mkii using a case chamfer used for reloading. i rolled the dice thinking 3 things:

1. need new barrel or take it to the smith to correct my stupidity
2. improvement in accuracy
3. no change what so ever

luckily it seems the "redneck" crown job worked. back in group size to where i was, and if not for 3 "flyers" @ 5:00, would have reduced my group from 2" to 1.5" at 100 yards. by the 2 large holes punched in, seems the consistancy is back.

the 200 yd group also looked better, with even less signs of vertical tracking.

i used the same ammo and similar weather conditions as before.

100 yards b-4



100 yards after



200 yards before



200 yards after

 
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