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Rifles, Reloading, Optics, Equipment
Reloading
Why I Crimp
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<blockquote data-quote="Teri Anne" data-source="post: 2331572" data-attributes="member: 118816"><p>Good Morning <strong>ButterBean</strong>, I'm on my first cup of what will probably be many coffee's and I tip my cup to you. I seldom ever crimped before unless I was loading a cartridge that would go into a tubular magazine (30-30 & 35 Rem for friends) There was a long discussion here about the need to crimp or not to crimp. Note that I have never had an issue with bullets falling out or in your instance back into the case in some 51 years of reloading metallic cartridges Last winter I purchased a 300WM (Christmas Present to Myself) which was actually my second 300 WM (Couldn't get the first rifle to group less than about 3 MOA no matter what I did to the rifle or using factory or hand loads. It got traded in.) I was already well versed in the intricacies of the heavy recoil that the 300 WM produced so the new rifle out of the box was sent off to have a custom muzzle brake installed (no downward gas release to blow crap back in your face when prone) Anyway since I now had a rifle that has (had) significant recoil I thought I would at least pay attention to your expertise and experience on crimping and bought a 300 WM Lee FCD from Midway. Cutting to the chase, I loaded up a box of 20 using IMR4350 and Barnes TSX 165 gr copper bullets heading out of the 26 inch barrel on the Browning around 3050 FPS. 10 of the rounds were lightly crimped the other 10 uncrimped. Out on the range I first fired the uncrimped which shot an average 0.752 group which is actually quite good in most peoples book. Then I fired the <em>lightly</em> crimped rounds. These groups averaged 0.49 inches or about 1/4 inch smaller. I have to admit I was impressed, actually ecstatic and there were some Hoots and Hollers in glee out on the range. My girlfriend Kathy thought I was having some kind seizure while I was dancing around the shooting bench. Any way, it's too early for beer so you are stuck with coffee. I want to thank you again for teaching me something new as well as to help me shrink my group to the Holy Grail of the 5 shot 1 hole group. Almost there. I will be ordering LEE FCD dies for all of the other calibers that I load</p><p></p><p>Teri Anne <img class="smilie smilie--emoji" loading="lazy" alt="🥰" title="Smiling face with hearts :smiling_face_with_3_hearts:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f970.png" data-shortname=":smiling_face_with_3_hearts:" /><img class="smilie smilie--emoji" loading="lazy" alt="🥰" title="Smiling face with hearts :smiling_face_with_3_hearts:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f970.png" data-shortname=":smiling_face_with_3_hearts:" /><img class="smilie smilie--emoji" loading="lazy" alt="🥰" title="Smiling face with hearts :smiling_face_with_3_hearts:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f970.png" data-shortname=":smiling_face_with_3_hearts:" /></p></blockquote><p></p>
[QUOTE="Teri Anne, post: 2331572, member: 118816"] Good Morning [B]ButterBean[/B], I'm on my first cup of what will probably be many coffee's and I tip my cup to you. I seldom ever crimped before unless I was loading a cartridge that would go into a tubular magazine (30-30 & 35 Rem for friends) There was a long discussion here about the need to crimp or not to crimp. Note that I have never had an issue with bullets falling out or in your instance back into the case in some 51 years of reloading metallic cartridges Last winter I purchased a 300WM (Christmas Present to Myself) which was actually my second 300 WM (Couldn't get the first rifle to group less than about 3 MOA no matter what I did to the rifle or using factory or hand loads. It got traded in.) I was already well versed in the intricacies of the heavy recoil that the 300 WM produced so the new rifle out of the box was sent off to have a custom muzzle brake installed (no downward gas release to blow crap back in your face when prone) Anyway since I now had a rifle that has (had) significant recoil I thought I would at least pay attention to your expertise and experience on crimping and bought a 300 WM Lee FCD from Midway. Cutting to the chase, I loaded up a box of 20 using IMR4350 and Barnes TSX 165 gr copper bullets heading out of the 26 inch barrel on the Browning around 3050 FPS. 10 of the rounds were lightly crimped the other 10 uncrimped. Out on the range I first fired the uncrimped which shot an average 0.752 group which is actually quite good in most peoples book. Then I fired the [I]lightly[/I] crimped rounds. These groups averaged 0.49 inches or about 1/4 inch smaller. I have to admit I was impressed, actually ecstatic and there were some Hoots and Hollers in glee out on the range. My girlfriend Kathy thought I was having some kind seizure while I was dancing around the shooting bench. Any way, it's too early for beer so you are stuck with coffee. I want to thank you again for teaching me something new as well as to help me shrink my group to the Holy Grail of the 5 shot 1 hole group. Almost there. I will be ordering LEE FCD dies for all of the other calibers that I load Teri Anne 🥰🥰🥰 [/QUOTE]
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