| casper50 |
| (.400 member) |
| 17/01/12 06:43 AM |
Re: Took some photos of my Greener Martini
|
Square lands and grooves. The grooves are about 2.5 times wider than the lands. L= .074 G=.287 all approximate measurements. Has a tapered bore also. Went in tight at the muzzle and eased as it went down the bore.