APOD Firearms

Was just reading the Remington box for the 300bo ammo I got

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  • Rebel_Rider1969

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    White box 220 grain OTFB vel 1015 fps.

    Muzzle. 100yrd. 200yrd. 300yd
    1015. 985. 958. 934
    -2.5. 0. -33.3. -104.5

    This round has almost the same power or more as .45 colt
    Does at 100 yards. I'm impressed. Of course my power levels will be lower with the 10.5 barrel. They used a 16 inch.

    Flat base hollow point should do a real # on game inside 100. Pretty impressive for a sub round.

    When you see the numbers you notice even though it drops like a rock the power is still damm good.

    Looks to be good brass for reloading as well.
     

    SAWMAN

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    Look through the bullets especially designed for a 30-30Win. Usually a thinner jacket,with alot of exposed lead up front which makes for faster expansion.
    Especially consider the 130/135gr bullets.
    Some even have a HP cavity in the lesd nose. --- SAWMAN
     

    FLT

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    This expands reliably at 100 yards and under , that’s what I’ve experience in my use of them. They will cycle in all three of the ARs I’ve used them in.

    EEA17893-7B9D-4E08-8626-C51CBA35B102.jpg . CB26188A-3D90-499B-86AC-25F870242199.jpg . EC19DFF9-66F9-4974-B981-E94F685BF532.jpg
     

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    Rebel_Rider1969

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    The stats on that one matches the Remington 220gr. I'm guessing that all these are tested or made for 16 inch barrel. So I'm guessing you could hand load for the short barrel to match the 16 inch performance.
     
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    Rebel_Rider1969

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    So using the 10.5 the numbers will be much lower than what's on the box. Seems to me most factory ammo is very weak? So you'll never get the full pontenal unless you reload.
     

    SAWMAN

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    Scuze me for saying . . but . . if you wanted to get/expected to get,the "full potential" from the 300BLK chambering,why did you get a 10.5" bbl ??
    Any factory super ammo is gonna give you the full potential out of a 10.5" pistol gassed bbl.
    AND - -> (IMO) don't dick with the gas ports. Your looking for trouble if you do. ---- SAWMAN
     

    Rebel_Rider1969

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    Scuze me for saying . . but . . if you wanted to get/expected to get,the "full potential" from the 300BLK chambering,why did you get a 10.5" bbl ??
    Any factory super ammo is gonna give you the full potential out of a 10.5" pistol gassed bbl.
    AND - -> (IMO) don't dick with the gas ports. Your looking for trouble if you do. ---- SAWMAN

    Well according to the interwebz the round was designed to reach full burn on a 9 inch barrel. I just like short barrels better. What I'm getting at is getting the most performance I can from the 10.5. That I have.
     

    Daezee

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    Well according to the interwebz the round was designed to reach full burn on a 9 inch barrel. I just like short barrels better. What I'm getting at is getting the most performance I can from the 10.5. That I have.

    I HATE (no, I don't hate you) that on the Internet it's often posted/repeated that the Blackout was designed to reach full velocity/powder burn in a 9/8/10/10.5/whatever length bbl the poster says. With the Blackout and normal burning powders for the Blackout, the longer the bbl, the more powder is burnt, the more gas produced, and higher velocity achieved period. Do a search for Blackout velocity vs barrel length and look at some of the charts. Some folks may disagree, but the chronographs don't lie. Charts will show velocity increasing up to a 30" bbl, the longest I remember seeing.

    I've been doing a study of Blackout bbl material and bore treatment vs bbl wear for years now. I keep tract of the throat wear via use of gauges and fire all the bbls the same rate of fire (5 shots and cool to ambient temp). I have bbls 8" to 16" (sold my 22" bbl). Don't feel like adding up all the rounds fired in my data right now, but suffice to say it's up to 20,000 rounds now. I guarantee that overall, the longer the Blackout bbl, the higher the velocity. There can be some anomalies, such as my 9.5" bbl is near as fast as my 10.3-10.5" bbls or I have 2 16" Ruger bbls, seemingly identical...one has always been faster than the other. My 16" Daniel Defense bbl is slower than the 16" Ruger bbls, but is more accurate.
     
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    Daezee

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    Regarding the Remington 220 OTFB load:

    If the bullet is not designed to expand at subsonic velocities (I have no information that bullet is designed to expand), unless it hits the CNS or tumbles, it's likely to just drill a 30 caliber hole in the animal and not make a humane kill. While I've killed many hogs with subsonic 220gr hollow point bullets, it was all done in a trap at 10-30 feet with nothing but brain hits. Hit the hog head-on and find the unexpanded bullet somewhere in the body near the spine past the front shoulders after it went through the brain. It may have the foot pounds of energy, but not the expansion to deliver the energy.
     

    Rebel_Rider1969

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    Yeah the Remington ammo is for target and silhouette. No animals. I know I can't get the kind of energy that the 16 inch barrel gets. But I should be able to get better power shooting loads matched to the barrel lenght, that shooting factory stuff designed for a 16 inch. Thank y'all for all the information.
     
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