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Rifles, Reloading, Optics, Equipment
Reloading
Jumping Berger bullets
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<blockquote data-quote="jcann" data-source="post: 634194" data-attributes="member: 37453"><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">I think I already know the answer to this question but I wanted to get other opinions. I've got an old, meaning shot a lot Ruger M77 in 7RM I purchased new in 1979. It still shoots 1 to 1.5 moa and on occasions it will deliver sub moa groups.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">I bought a box of 7mm 180gr Berger hunting VLD's to use in a build GA Percision is doing for me now and thought I might give them a try in my old Ruger. Last night I took measurements for bullet seating depth (touching lands) and this is what I came out with.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Base of case to ogive is 2.79", this gets me to the lands.</span></span></p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Overall cartridge case length is 3.50"</span></span></p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">Magazine box is 3.38"</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">From what I've read Berger VLD's have a very narrow "sweet spot" on seating depth. As you can see I can't get close to the lands if I want to use this rifle and these bullets as a repeater. So here's my question; am I wasting my time trying to jump 0.12" and achieve any type of accuracy with these bullets? I'm not even sure I could chamber reliably a loaded round that is 3.35 to 3.38 inches long.</span></span></p><p> </p><p><span style="font-size: 12px"><span style="font-family: 'Times New Roman'">What be your thoughts?</span></span></p></blockquote><p></p>
[QUOTE="jcann, post: 634194, member: 37453"] [SIZE=3][FONT=Times New Roman]I think I already know the answer to this question but I wanted to get other opinions. I’ve got an old, meaning shot a lot Ruger M77 in 7RM I purchased new in 1979. It still shoots 1 to 1.5 moa and on occasions it will deliver sub moa groups.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]I bought a box of 7mm 180gr Berger hunting VLD’s to use in a build GA Percision is doing for me now and thought I might give them a try in my old Ruger. Last night I took measurements for bullet seating depth (touching lands) and this is what I came out with.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]Base of case to ogive is 2.79”, this gets me to the lands.[/FONT][/SIZE] [SIZE=3][FONT=Times New Roman]Overall cartridge case length is 3.50”[/FONT][/SIZE] [SIZE=3][FONT=Times New Roman]Magazine box is 3.38”[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]From what I’ve read Berger VLD’s have a very narrow “sweet spot” on seating depth. As you can see I can’t get close to the lands if I want to use this rifle and these bullets as a repeater. So here’s my question; am I wasting my time trying to jump 0.12” and achieve any type of accuracy with these bullets? I’m not even sure I could chamber reliably a loaded round that is 3.35 to 3.38 inches long.[/FONT][/SIZE] [FONT=Times New Roman][SIZE=3] [/SIZE][/FONT] [SIZE=3][FONT=Times New Roman]What be your thoughts?[/FONT][/SIZE] [/QUOTE]
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Reloading
Jumping Berger bullets
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