Q&A: .577 Trex or .700 Nitro Express?

January 20th, 2012 admin Posted in RC Heli Info | 10 Comments »

Question by Ryan R: .577 Trex or .700 Nitro Express?
Which is a better gun/ cooler gun, the trex or the nitro express?

Best answer:

Answer by none of our buisssness
.700 nitro is crazy powerful it will break your wrist if your not careful
But I personaly like pistols
.577 trex is awesome though
I go with .700 nitro

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10 Responses to “Q&A: .577 Trex or .700 Nitro Express?”

  1. sugarguy103 Says:
    September 13th, 2011 at 9:10 pm

    Both, seriously are kick ass guns!! Very, Very powerful!!!!!

  2. Paul Preston Says:
    September 13th, 2011 at 9:29 pm

    The .577 T-rex looks better but man are you going to hunt rhinos or what? those guns are some heavy power.

  3. CIH(Ret) Says:
    September 13th, 2011 at 9:57 pm

    I don’t know what it takes for a gun to be “cool’ for you so I can’t tell you which gun is the coolest. However, the .700 Nitro Express packs a good bit more muzzle energy than the .577 T-Rex. The T-rex generates about 10,180 ft. pounds of kinetic energy at the muzzle while the .700 Nitro Express will generate 14,374 ft. pounds..

  4. john r Says:
    September 13th, 2011 at 10:09 pm

    The .700 is larger (bore diameter) and classier, being developed by Holland & Holland, but one of their rifles in this caliber is strictly a custom affair and will set you back $ 100,000-$ 200,000 and require a 3 or 4 year wait. Nice though. It fires a 1000 grain bullet at about 2000 fps for about 9000 ft-lbs of energy.
    The .577 Tyrannosaur was developed by A-Square in 1993. It fires a 750-grain bullet at 2460 fps for 10,180 ft-lbs of energy, so it’s more powerful, and much more affordable at $ 3000-$ 4000. Here’s a video of the developer, Art Alphin discussing its origin: http://www.fieldandstream.com/fieldstream/gearingup/photogallery/article/0,13355,1710791,00.html

    EDIT~The .700 NE is not more powerful than the .577. The figure of 14,000 ft-lbs comes from the Wikipedia article about the .700, which also states the following:

    “The .700 Nitro Express develops an approximate average of 8900 foot pounds (12 kJ) of muzzle energy with a 1000-gr bullet at 2,000 ft/s (610 m/s). However handloaders can push the cartridge to generate as much as 15,000 ft·lbf (20.3 kJ) in a modern bolt action, by using a 1000-gr bullet fired at 2,600 ft/s (792 m/s). However, doing so makes the action of the rifle used nearly inoperable (especially in the case of a boxlock or sidelock rifle), while at the same time rupturing the cartridge casing and the primer cap.”

    On other words, it’s not do-able, safely or sanely. I’m sure if the .577 were also loaded to case-wrecking presssures, higher velocity and energy levels could likewise be acheived.

  5. Cam Says:
    September 13th, 2011 at 10:48 pm

    Ha Ha…..let’s pick what torture device you would like!

    The 700 Nitro is packing about 11500 lbs of energy at the muzzle with a 1000 grain bullet!(factory loaded bullet) That is some AMAZING power! It also recoils with about 198lbs!!! In comparison a 30.06-depending on the load and the rifle- has about 18 lbs.

    Surprisingly the T-Rex, the less powerful of the two with a 750 grain projectile producing just over 10000 lbs of energy has a recoil average of 220 lbs!!!! That is enough to break your wrist if you do not know what you are not experienced and know what you are doing.

    Basically the bottom line is that you do not fire either of them unless you know it is worth it.

    The reason the .50 BMG is so much more comfortable to fire for people even though it is significantly more powerful (Edit: The standard loads of a 50 BMG is more powerful: A 700 nitro can top the ENERGY of the 50 BMG in a hot load, but with something that big it really is not practical to make a hot load out of it) than either of the two is that you are dealing with a rifle not made for hunting. You can add weight to it, length, muzzle break, etc. You are not as concerned with the weight of the weapon or the size so you can make it more comfortable to fire.

    With the two aforementioned brush guns you are dealing with rifles that are designed for hunting, meaning you have to watch the weight of the firearm which weight can be your greatest ally against hard recoil followed by the ergonomics of the weapon.

    With that being said, not because of the power, but because of the velocity of the two projectiles I would have to go with the .577. A factory load is fired at just under 2500 ft per second. This high velocity is important to carrying the projectile farther and hitting harder at range.

    A debatable minimum standard for a big game hunting rifle in Africa is that it is a projectile over 500 grains moving faster than 2250 feet per second. Even though the 700 nitro is double the weight at 1000 grains it is barely capable of meeting that 2250 standard.

    This is a question that really either one is the right answer though. If you hit most land animals with something that is 5 digits in energy….it’s most likely going to die!

  6. W W D Says:
    September 13th, 2011 at 11:08 pm

    Neither is particularly useful. You’d do much better to find a good 450 or 470 double if you’re planning that sort of thing. It’s personal opinion, of course, but I don’t think of them as “cool” unless they’re really useful. The Wow! factor is certainly still there with a 470.

  7. evo741hpr3 Says:
    September 13th, 2011 at 11:43 pm

    Of course the nitro is the better gun, but for cool factor I dont think it beats the T-Rex ; )

  8. geraldine f Says:
    September 14th, 2011 at 12:21 am

    If I could afford one “thumper”, or “crumpler” as Jeff Cooper used to call the super-heavies, it would be a .585 Nyati, with a 750gr. bullet at 2500fps this will give 10,000 foot-pounds, and a comparatively manageable (!) 150-odd lbs. recoil. With a weighted stock and 26″ heavy barrel, it shouldn’t be too bad, eh?

  9. IamMeYouareYou Says:
    September 14th, 2011 at 1:02 am

    The .700 is the most powerful of the two at 14412 ft-lbs, making it more powerful than some .50 BMG loads. The .577 generates 10976 ft-lbs. The .700 also has around 10 times the recoil of a .30-06, making it a very unpleasant rifle to shoot.

  10. H Says:
    September 14th, 2011 at 1:48 am

    Cooler? I don’t know about cooler but the .700 Nitro Express is no longer in production. It shoots a wider bullet than the .577 T-Rex but ballistically it isn’t better. I’m ‘old school’ so I like double rifles but the .700 NE is a bit much as is the .577 T-Rex. I only know one man who tells me he’s fired a .700 NE. He said it was ‘intense,’ but not impossible. Of course, he is a big guy. Just for reference, the newer .460 Weatherby Magnum generates about as much recoil as the older .600 Nitro Express. The Weatherby puts out nearly a hundred pounds of felt recoil. My .458 Winchester Magnum generates approx. 63 lbs. of recoil. So that’ll give you a reference point for the T-Rex and .700 NE. Can you catch a fifty pound sack of flour thrown abruptly at you? How about a hundred pound sack of seed? Get the idea?

    H

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