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Which 300?
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<blockquote data-quote="Ronald W Schaefer" data-source="post: 3005753" data-attributes="member: 109378"><p>So in my MK V .300 Wby, I load 79 grs IMR 4831, 180 gr Barnes TTSX bullet, Fed 215 primer and Wby Brass. I get 3208 MV with 26" barrel and about .8-9 MOA when I have my feet in the stirrups and handling the recoil well<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />! She do kick a bit. I discovered that load when I was 17 in 1973. Back then I used a 180 Hornady BT SP... upgraded to Barnes in about 2005. I've played with every bullet and powder suitable for the Roy and always come back to old plain jane 4831. Took it to Africa out of nostalgia (it's heavy) and zapped Eland and Kudu like Thor's hammer. </p><p></p><p>My son shoots a .300 Win Mag Sendero w carbon stock and 24" fluted stainless barrel, runs a muzzle brake suppressor adapter and Thunder Beast 338 BA can. It shoots like a BB gun...but is also a tad hefty with all that "gear" up front. He loads 180 gr Nos AB bullets or occasionally 180 gr Sierra Tipped Game King. He burns 68 grs of IMR 4350, Fed 215 Primer and Win Brass. (been playing with RL-17/19 but no data yet) He gets about 2950 which is mighty decent--it'll run 3050 before hitting max but accuracy goes down the toilet. His shoots really well too and much less recoil...about .08-1.0 MOA.</p><p></p><p>So... both get er done--a bit less velocity with Win Mag but less recoil, more velocity with 300 Wby but big bang and recoil. We should both try the 190 gr pills of several manufactures for increased BC...but you know--if it ain't broke...</p></blockquote><p></p>
[QUOTE="Ronald W Schaefer, post: 3005753, member: 109378"] So in my MK V .300 Wby, I load 79 grs IMR 4831, 180 gr Barnes TTSX bullet, Fed 215 primer and Wby Brass. I get 3208 MV with 26" barrel and about .8-9 MOA when I have my feet in the stirrups and handling the recoil well:-)! She do kick a bit. I discovered that load when I was 17 in 1973. Back then I used a 180 Hornady BT SP... upgraded to Barnes in about 2005. I've played with every bullet and powder suitable for the Roy and always come back to old plain jane 4831. Took it to Africa out of nostalgia (it's heavy) and zapped Eland and Kudu like Thor's hammer. My son shoots a .300 Win Mag Sendero w carbon stock and 24" fluted stainless barrel, runs a muzzle brake suppressor adapter and Thunder Beast 338 BA can. It shoots like a BB gun...but is also a tad hefty with all that "gear" up front. He loads 180 gr Nos AB bullets or occasionally 180 gr Sierra Tipped Game King. He burns 68 grs of IMR 4350, Fed 215 Primer and Win Brass. (been playing with RL-17/19 but no data yet) He gets about 2950 which is mighty decent--it'll run 3050 before hitting max but accuracy goes down the toilet. His shoots really well too and much less recoil...about .08-1.0 MOA. So... both get er done--a bit less velocity with Win Mag but less recoil, more velocity with 300 Wby but big bang and recoil. We should both try the 190 gr pills of several manufactures for increased BC...but you know--if it ain't broke... [/QUOTE]
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