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How much recoil does a bolt 50 bmg have?

 
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  #1  
Old 02-10-2010, 10:24 PM
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How much recoil does a bolt 50 bmg have?

Im arguing with some one that a 50 bmg has manageable recoil

50 bmg really popular - Page 2 - Shooters Forum

p.s. im tkbigbore
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Old 02-10-2010, 11:08 PM
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Re: How much recoil does a bolt 50 bmg have?

I own a custom 50. that weighs in at 67lbs. It is a baby to shoot. My 7 year old daughter has shot it on a couple of outings. Granted the weight has a lot to do with it. A friend owns a AMAC 50 that weighs in at 25lbs. It gets a little hairy to shoot if you shoot it with out the brake, but it throws a huge fireball from the business end.
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Old 02-11-2010, 12:14 AM
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Re: How much recoil does a bolt 50 bmg have?

Quote:
Originally Posted by 460or338 View Post
Im arguing with some one that a 50 bmg has manageable recoil

50 bmg really popular - Page 2 - Shooters Forum

p.s. im tkbigbore
There are a lot of people that shoot the 50BMG and if it had terrible recoil then they wouldn't.

Weight has a great effect on felt recoil (Recoil velocity) you can have a rifle that weights 5
pounds and produces 40 ft/lbs of recoil energy but 20+ ft/sec recoil velocity that kicks like a
mule take the same load (The same ft/lbs of recoil energy) and shoot it in a 10 pound rifle
and you will reduce the recoil velocity for all practical purposes to 10 ft/sec recoil velocity.
And it will be very mild.

This is what happens to the big calibers when weight is added. even though they produce
70 + ft/lbs of energy they will /may only have 10 to 20 ft/sec recoil velocity and feel very mild.

Most people feel comfortable with 30 to 40 ft/lbs of recoil energy and a recoil velocity of 10 to
15 ft/sec and the 50 BMG can have a recoil velocity of 15 ft/sec if it weights enough.

The Barret light 50 (M82 A1) weight is 29 pounds but it has a recoil operated action(The barrel
moves back to operate it) and this reduces some of the felt recoil and in addition it has a Fish
gill type brake that reduces recoil even more .

So with all or these things combined it is very manageable and exciting to shoot.

The bolt actions have a locked breach and depend solely on weight and the muzzle break
to reduce recoil so they are generally heaver (40 to 60 pounds).

I would have to say that the big 50s are more manageable than most of the dangerous
game rifles! and the reason is most dangerous game hunting rifles weigh 7 to 10 lbs
and have a high recoil velocity.(Kick like s#*T).

The one thing that is bad however is muzzle blast. with 250 + grains of powder there is a lot
happening at the muzzle end.

So if you don't like the recoil of a 300 win mag without a break then the 50 BMG is not for you.

J E CUSTOM
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Old 02-11-2010, 01:05 AM
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Posts: 131
Re: How much recoil does a bolt 50 bmg have?

well ive been slammed by 86 ft lbs and 30 recoil fps .I have a very light 12 ga 3.5"
around 6 lbs I like shooting it though lol .Most people say lean into it but for me instead of fight recoil i just kinda roll with it in a fluid like motion if that makes sense to y'all.
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Old 02-11-2010, 01:16 AM
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Re: How much recoil does a bolt 50 bmg have?

Any caliber out there can have recoil made manageable. The engineering behind the M107, M82A1 etc are designed with special features to depress harsh recoil. Letís face it though. They arenít going to touch your shoulder like an HMR.
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Old 02-11-2010, 09:27 AM
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Join Date: Jul 2004
Location: Texas
Posts: 5,381
Re: How much recoil does a bolt 50 bmg have?

Up date on recoil of a Barret M 82 A1 light fifty=

After looking for a Recoil program to run the numbers I found Lens Excel program
and plugged in the numbers and this was the results.

750 grain A max @ 2950 using 250grs US 869 in a 29 pound rifle = 138.857 ft/lbs of
recoil and 14,569 ft/lbs muzzle energy.

NOTE: This is not accounting for the recoil operated action and the muzzle break.

I have no way of measuring actual recoil but it has to be less than 1/2 of 137.8 ft/lbs
(Somewhere below 70 ft/lbs).

Most brakes are from 30 to 50% effective.

J E CUSTOM
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Old 02-11-2010, 09:57 PM
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Re: How much recoil does a bolt 50 bmg have?

I don't think a 50 BMG can come close to 2950 fps, 2700 fps will make a big difference in recoil.
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