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Carbine Varmint Round SR |
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New2brass
Moderator Group Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4627 |
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Posted: Jun 28 2019 at 11:33am |
Spotters Report: an interesting .30 carbine round Dave Tennent came across these very interesting bullets for the M1 carbine. These are known as accelerator type sabots. These were designed as a varmint round. It is a .223 (.224) caliber projectile and weighs 55 grains. It is loaded into a plastic sabot. The sabot engages the rifling which gives the bullet its spin. sab·ot /ˌsaˈbō/ noun a device which ensures the correct positioning of a bullet or shell in the barrel of a gun, attached either to the projectile or inside the barrel and falling away as it leaves the muzzle. Upon exiting the barrel the sabot peels off and the .223 heads down range. The R-P 30 Carbine headstamp is from Remington Arms Company, Inc., Bridgeport CT. I have found a reference that suggests these rounds are from circa 1960 If anyone here has experience, load data, etc, with these rounds please share your thoughts.
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W5USMC
Moderator Group Joined: Apr 29 2017 Location: Missouri Status: Offline Points: 2949 |
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Dan, pretty interesting, I have no experience with Carbine sabots, I do shoot sabots in my muzzle loaders. I would be interested in accuracy with these things and also how much plastic is left in the barrel to clean up.
I will say that I am a fan of pointed bullets, many years ago one of my Marines gave me 500 rds of his uncle's reloads (I know big no no shooting reloads from a stranger) they were loaded with a pointed soft point bullet, ended up being the most accurate carbine ammo I have ever shot, unfortunately I have no idea what the load data and bullet weight was. |
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Wayne
USMC Retired NRA Life Member |
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Donnie
On Point Joined: May 31 2018 Location: Newburgh, IN Status: Offline Points: 335 |
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Wow, a Sabot round for our carbines. That scores high on the cool factor! (read: I don't have a need for it, but I sure want it)
New2brass, thanks for the story and great pics.
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shumba
On Point Joined: Oct 07 2020 Location: OK Status: Offline Points: 42 |
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i remember that accelerator ammo. i still have a few boxes of 30-06 accelerator but never saw any for the carbine.
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35 Whelen
On Point Joined: Jul 11 2020 Location: Texas Status: Offline Points: 178 |
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Smokpole
Hard Corps Joined: Oct 21 2019 Location: Madison ohio Status: Offline Points: 1052 |
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I recall reading an article about the carbine accelerator round. IIRC, it was discontinued due to it not being very accurate. The problem was that the long bullet would tumble because the slow twist rate of the carbine barrel didn't properly stabilize it. Can't remember where I read that. It could have been in the Rifleman.
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OGCA Life member
NRA Life member Ashtabula Rod and Gun Life member |
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painter777
Hard Corps Joined: Feb 18 2016 Location: Central MI Status: Offline Points: 1708 |
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35 Whelen,
Thx for that link. Ch-P777 Edit Add: I wonder how well they'd strip out of a magazine? Would / could the plastic Sabot catch the mag's feed lip ? Would you single feed, then add 1 in the mag ? Or would you try filling the mag ? Guess you'd have to load a mag and hand cycle to see how the Mag Lip and feed ramp like that plastic Sabot. Also wonder if the Sabot would help fill up a older barrel, like one that gage's at 3. Enough powder that it would Eject and Cycle a new round ? Would 1 in 20 twist be too slow for 50 - 60 grn tip ? Just Random Thoughts Added .......
Edited by painter777 - Oct 12 2020 at 11:16pm |
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Living Free because of those that serve.....
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floydthecat
Hard Corps Joined: Oct 13 2016 Location: Mississippi Status: Offline Points: 1996 |
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I wonder....why bother. I think all these sabot rounds were just another gimmick to sell ammo. If someone wanted to shoot Woodchucks at 300 yards on a routine basis, he would likely get a gun for that. A 86-grain .308 Mauser projectile over 16.5 grains of H110 zips along at 2500 fps.
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