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Thread: 5.56 RECCE vs Identical .300 BLK Rifle

  1. #21
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    Quote Originally Posted by foxtrotx1 View Post
    Sure, 300 super can make 750 hits. Heck, you could make 750 hits with a 9mm carbine if you arced it enough. Whats the time of flight? How effective are you going to be on targets that move with a 3 second flight time and a huge drop?
    Bob Munden hitting a head sized balloon at 200 yards with a .38 snub revolver:

    http://www.youtube.com/watch?v=Tied-t1fFsk

    with a 1911, he went 300 yards.

    RIP Bob.
    - Will

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    “Those who do not view armed self defense as a basic human right, ignore the mass graves of those who died on their knees at the hands of tyrants.”

  2. #22
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    Quote Originally Posted by Noodles View Post
    We were taking my 16" and a 14.5" out to 750 a couple weeks ago in Eastern Washington. The guns can easily do it.

    It was actually quite interesting for me as it all but eliminated my desire to have a 300blk. For all it's "stopping power" arguments, it's just not as versatile as 556. I mean, it would be cool to shoot expensive 220gr subs quietly, but it wouldn't be as quite as a bolt gun, and if it wanted to kill something it would be with supers anyhow. It's in the back of my mind, but considering a 14.5"-16" carbine is quite manageable and with a pre-zeroed scope can be taken to 600+ effectively... I just can't see supporting another caliber right now. ESP not one that can be chambered in my 556 guns with disastrous consequences.

    If I thought the smallest/shortest carbine was desirable than 300blk is cool, but after comparing an 8" 300 to my 12.5 to and then to other 14.5 and 16" guns, it's a pretty minor difference all around.
    The advantage comes when you suppress it. It won't tear blast-baffles up, it won't cycle much faster suppressed, and when you DO take the can off (or if you don't suppress it), it's not nearly as concussive.

  3. #23
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    Quote Originally Posted by Noodles View Post
    Nope.

    If you need to support a dedicated mag, bolt, barrel, basically an entire gun you're looking at something different than 300blk vs 556.

    If you feel you can support an entirely differently platform, go for it. 6.8 makes for some interesting crossover. However... imo 6.5G does everything but short barrels better.... BUT, why stop there!? Let's design a 6.7mm wildcat!!! And so on and so on... Pretty soon, you might wonder why you ****ing suck compared to the guy that got 4x more trigger time on his 556 for all the work and effort you put into your gun.

    If your hobby is shooting... 556. If your hobby is reloading or tinkering, 6.8mm. If your hobby is hunting 6.5mm. If you absolutely must have extra lethality or short barrel work within 200y, 300blk. If you even have to ask the questions asked above.... 556.
    As a civilian, 0-200 yards is all I really "care" about. I'd rather the extra horsepower in my livingroom than the academic argument that 600m shots are more do-able. I have a 5.56 gun configured identical that I can train with for higher volume knowledge gain.

  4. #24
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    5.56 vs 300 BLK

    1. Your first AR should be 5.56. Much cheaper ammo for training

    2. If you don't reload you should stick to 5.56. -See above-

    3. If you are not shooting suppressed just stick to 5.56. The advantage of the 300 BLK is being able to shoot supers sonic and sub sonic without having to have a heavily modified rifle with an adjustable gas system.

    4. If you don't want an SBR then stick to 5.56.

    I wouldn’t recommend 300 BLK to anyone that doesn’t already have a 5.56 AR, doesn’t reload, and wouldn’t benefit from the SBR and suppressor benefits.

    ---------------------------------------------------------
    The 300 BLK is a niche cartridge, but it fits my niche PERFECTLY (FWIW I also have a Glock 20 in 10mm for backpacking). Having a soft shooting SBR that can be suppressed, which isn't as hard on suppressors, and can actually be used for hunting in all states that allow semi autos (many states do not allow anything less than .23 caliber minimum). It also helps that I do a lot of 7.62X51 reloading and being able to share bullets is great for general plinking. Being that I live 200 yards from neighbors I can load up 220 grain subs and shoot suppressed in my backyard without pissing off the neighbors.

    For MY NICHE:
    0-200 yards: I would take a 9 inch suppressed blackout all day long
    200-800 yards: I am grabbing a 7.62x51
    800+ yards: 300 RUM
    Backyard Plinking: 300 BLK in 220 grain subs.
    Carbine class: I would take a 5.56 just for the cheaper ammo
    Home Defense: 300 BLK
    "Bugout scenario via car": 300 BLK in hand with a 7.62x51 nearby, 5.56 upper packed away.
    "Bugout scenario on foot": 7.62x51
    Last edited by domestique; 08-12-13 at 02:40.
    "When governments fear the people, there is liberty. When the people fear the government, there is tyranny. The strongest reason for the people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government." Thomas Jefferson.

  5. #25
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    Quote Originally Posted by domestique View Post
    Home Defense: 300 BLK
    "Bugout scenario via car": 300 BLK in hand with a 7.62x51 nearby, 5.56 upper packed away.
    "Bugout scenario on foot": 7.62x51
    This is part of a post from thehighroad.org concerning defense loadouts. Thought it was relevant to the conversation since you brought up HD and bugouts.

    "I have shot competitively with people from all backgrounds, many military. I have shot with former Army SFOD-D, SEALs, and even Recon Marines. People who have used the AR/M16 platform in a role that most people never will.

    Do you want to know the loadout that they choose for self defense? It is all quite similar actually.

    1. Rifle caliber.

    Want to guess how many of them use 6.8 SPC? Zero. Want to know how many use 5.56? All of them. If the 5.56 wouldn't do the job, then they wouldn't use it.

    2. NFA.

    Want to guess how many of them use a rifle with a suppressor or a SBR? Zero. There isn't a need for it, and this is coming from guys who all have used short barrel rifles to kill other 2 legged threats at one point or another in their lives. And they have each killed more people than a non-veteran civilian ever will."

  6. #26
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    That's actually a stupid post and really doesn't address the subject. I don't understand why you started this thread. Listen to the guy from THR and stay with 5.56.

    Quote Originally Posted by Tacti-square View Post
    This is part of a post from thehighroad.org concerning defense loadouts. Thought it was relevant to the conversation since you brought up HD and bugouts.

    "I have shot competitively with people from all backgrounds, many military. I have shot with former Army SFOD-D, SEALs, and even Recon Marines. People who have used the AR/M16 platform in a role that most people never will.

    Do you want to know the loadout that they choose for self defense? It is all quite similar actually.

    1. Rifle caliber.

    Want to guess how many of them use 6.8 SPC? Zero. Want to know how many use 5.56? All of them. If the 5.56 wouldn't do the job, then they wouldn't use it.

    2. NFA.

    Want to guess how many of them use a rifle with a suppressor or a SBR? Zero. There isn't a need for it, and this is coming from guys who all have used short barrel rifles to kill other 2 legged threats at one point or another in their lives. And they have each killed more people than a non-veteran civilian ever will."



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  7. #27
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    Quote Originally Posted by Iraqgunz View Post
    That's actually a stupid post and really doesn't address the subject. I don't understand why you started this thread. Listen to the guy from THR and stay with 5.56.
    Why are you so hostile? Did my thread defile an otherwise pristine forum? I thought this was a place to learn.

  8. #28
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    I've trained with delta and rangers that run sbr and cans. Needed? No, but they ran them.

  9. #29
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    If SBRs and can's were not NFA, I would have all 10-12" barrel guns suppressed. Well, I would keep 16" gun around, setup for longer range stuff.
    Last edited by Corse; 08-12-13 at 07:34.

  10. #30
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    Quote Originally Posted by Tacti-square View Post
    This is part of a post from thehighroad.org concerning defense loadouts. Thought it was relevant to the conversation since you brought up HD and bugouts.

    "I have shot competitively with people from all backgrounds, many military. I have shot with former Army SFOD-D, SEALs, and even Recon Marines. People who have used the AR/M16 platform in a role that most people never will.

    Do you want to know the loadout that they choose for self defense? It is all quite similar actually.

    1. Rifle caliber.

    Want to guess how many of them use 6.8 SPC? Zero. Want to know how many use 5.56? All of them. If the 5.56 wouldn't do the job, then they wouldn't use it.

    2. NFA.

    Want to guess how many of them use a rifle with a suppressor or a SBR? Zero. There isn't a need for it, and this is coming from guys who all have used short barrel rifles to kill other 2 legged threats at one point or another in their lives. And they have each killed more people than a non-veteran civilian ever will."
    My old team/squad leader is now SF and his favorite rifle is a Mk18. Everyone is going to have their favorites and a good SBR does have some size and weight advantages over a traditional 16" carbine. And a SBR with a can definitely has some advantages when you need to shoot and dont want everyone around knowing where you are at.

    But like I said earlier if you want a semi auto precision rig just get a 5.56 and learn it. Its got some legs on it and no matter what any internet 'expert' thinks it is still plenty lethal at range.
    C co 1/30th Infantry Regiment
    3rd Brigade 3rd Infantry Division
    2002-2006
    OIF 1 and 3

    IraqGunz:
    No dude is going to get shot in the chest at 300 yards and look down and say "What is that, a 3 MOA group?"

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