Originally Posted by
Muley Hunter
Ok, I have some information now. I just tried all the sabot/bullets that were sent to me by Mike and SS.
Bore was squeaky clean with alcohol.
Both Lehighs load firm, but smooth all the way down. I don't even feel the loose (?) spot.
290gr TMZ with yellow sabot loaded really firm all the way down
340gr Dead center with orange sabot loaded firm all the way down.
250gr Shockwave yellow tip with black sabot loaded firm all the way down.
250gr Red Hot with orange sabot loaded firm all the way down.
Not sure what this bullet is? It says 300gr Jacketed with black sabot. Was way too tight and got stuck just a few inches down the bore. I had to pound it back out.
495gr No Excuse almost fell through the bore. way too loose.
Whatcha all think? Will these all load harder after I shoot one with BH 209? Will plastic build up, and do I need to swab?
Plastic build up is a non-issue these days if you are using the newer sabots.
Shooting bh should allow you to load any of the .458 with Orange MMP sabots with out running a patch, and if that is the case a regular harvester 45x50 and an MMP HPH-24 (black) 45x50 should load well also. With any of these sabots you should not need to run a patch shooting BH.
I would say that your bore is very close to a standard 50 cal barrel rather than being classified as a tight bore.