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PepeLapiu
02-19-2017, 09:16 PM
I still say if you're that worried about recoil go to a smaller cartridge.

Well I WAS worried. Not because I'm scared of the recoil but because I just don't know what to expect.

But now I am confident that with one of those recoil buffer tubes, and a decent butt pad I can probably manage it

If that's not sufficient, I can always add the Fab Defense GL-SHOCK buttstock or add some weight to the XLR stock by pouring lead into it.

The gun will get on the scare at over 20 lbs after scope, high rings, bipod, and bubble have been added. So how bad can it be?

I also saw a guy at the range once wearing a floatation vest. I'm guessing that was for recoil. That can be a last resort option. But I'd rather not be walking around the range with a bright red flotation devise on me.

JASmith
02-20-2017, 10:46 AM
I have seen what are called shrouded brakes. The shroud directs the reduced velocity gas forward and acts as a blast shield for the shooter.

Since they don't reduce the overall sound intensity, they are allowed in California.

Would they be legal in Canada?

PepeLapiu
02-20-2017, 11:39 AM
I have seen what are called shrouded brakes. The shroud directs the reduced velocity gas forward and acts as a blast shield for the shooter.

Since they don't reduce the overall sound intensity, they are allowed in California.

Would they be legal in Canada?
That's interesting and worth the try. Here's what I found :
https://www.toolsforliberty.com/product/tactical-modular-ultra-low-concussion-shrouded-rifle-muzzle-brake
It certainly is worth trying.
Thanx.

When I'm done with that gun I have the feeling it will be a ***** cat even the wife won't be scared to try.
I'm pretty sure if it's legal in Communist Cali it's also legal here in Communist Canada.

FW Conch
02-20-2017, 03:30 PM
My question would be, is this product as effective as an unshrouded brake? I believe the purpose of the brake is reduce recoil by diverting the gas out/and or back. It seems a shroud would lessen the breaks ability to do this?

Yes, a round like a 338 Lapua could cause a detached retina, if the recoil is not controlled. Every 338 Lapua rifle I have seen has had a muzzle break. Old eye cells like mine get weaker with age, and are subject to damage from concussions produced from heavy recoiling rifles. Of course, the more weight that is added to the rifle, the less the problem. And good recoil pads also help. Even when shooting My 06 or 270 from the bench, I add the slip on Limbsaver, because what didn't bother Me 30 years ago, I definitely feel now.

PepeLapiu
02-20-2017, 03:42 PM
My question would be, is this product as effective as an unshrouded brake? I believe the purpose of the brake is reduce recoil by diverting the gas out/and or back. It seems a shroud would lessen the breaks ability to do this?



I believe you are correct. I don't think this thing would be as effective as a regular brake. I will be conducting some tests when I do get it.
But think of it this way. Imagine 10 gal/min of water coming out of a garden hose. The pressure would be extreme and you'd have to hold on to the hose pretty firmly as it would push back a bit.
Now imagine the same 10 gal/min of water coming out of a fire hose. Suddenly the pressure is relieved a great deal. And you can pretty much hold the hose with a limp hand.
I'm thinking this thing would work in a similar manner. Now you have the same amount of heated pressurized gas coming out of a much larger aperture (1.5" maybe?) instead of a 0.338" size hole.
So it would be acting more like a diffuser than a brake.
Of course you wouldn't have the counter action to recoil directing gasses backwards. I'll just have to try it. Under 100$ it's one of the cheapest large bore brakes out there.

And maybe it might actually make it less noisy for the shooter. I don't know. I'll just have to try it.

PepeLapiu
02-20-2017, 05:00 PM
According to the recoil calculator in link below the 20 lbs 110 BA with a 300 gr bullet pushed to 2900 fps by 93 gr of powder would produce about 24.5 ft*lbs of recoil energy.
http://handloads.com/calc/recoil.asp

That puts it at about the same recoil as my 12 gauge slug gun. Now I can shoot that gun all day long at the bench. But my shoulder will be a little sour. Not quite enough to flinch though.
I have never tried to shot my slugger in prone position.
But it's supposed to punch a bit more that way.

So similar to my slug gun. Than add the shrouded brake, the piston recoil buffer tube, and a good thick recoil pad and I should be pretty much okay. (fingers crossed)
I don't think the .338 LM is the kind of gun I will shoot 100-200 rounds per range visit like I do with the slugger or the trap shotgun. So hopefully it won't be too bad.

FW Conch
02-20-2017, 05:49 PM
Enquireing minds look forward to Your results :-))

JASmith
02-20-2017, 09:11 PM
I was worried, in the abstract, about recoil in the .338 Lapua Magnum. Then I compared it with the .378 Weatherby Magnum.

The Weatherby throws heavier bullets behind more powder.

I once tried to develop a 1moa load in the sporter version of that rifle. That bench rest experience tells me that the Lapua with a much heavier rifle and a good brake should be a comparatively pleasant experience.

BTW the whippy barrel, very long freebore and 1965 technology bullets made 3 moa more the norm with 2 moa something to celebrate.

I can also now say I am recoil averse with knowledge of what stout recoil is.

PepeLapiu
02-20-2017, 09:44 PM
I can also now say I am recoil averse with knowledge of what stout recoil is.
Were you shooting it on the bench with or without a brake? And what kind of muzzle velocity were you getting?

Zero333
02-21-2017, 02:24 AM
The 338 Lapua will not get a 300 gr bullet going at 2,900 fps unless you have a 32" barrel. Even then that's pushing it.

Realistically, the 338 LM with a 26" barrel will spit out a 300 gr bullet between 2,700 and 2,750 fps MAX. Higher velocity than 2,750 fps means it's generating more than 60,000 psi and that's not recommended.

Run the recoil numbers again at 2,,700 fps and compare them to my 300winmag shooting 240gr at 2,750 (76gr of powder / 17 lb rifle). Even tho I got up to 2,850 fps with out pressure, but accuracy was best at 2,750, and I couldn't tell any difference in the recoil between 2,750 and 2,850 fps.

PepeLapiu
02-21-2017, 03:30 AM
The 338 Lapua will not get a 300 gr bullet going at 2,900 fps unless you have a 32" barrel. Even then that's pushing it.

Realistically, the 338 LM with a 26" barrel will spit out a 300 gr bullet between 2,700 and 2,750 fps MAX. Higher velocity than 2,750 fps means it's generating more than 60,000 psi and that's not recommended.

Run the recoil numbers again at 2,,700 fps and compare them to my 300winmag shooting 240gr at 2,750 (76gr of powder / 17 lb rifle). Even tho I got up to 2,850 fps with out pressure, but accuracy was best at 2,750, and I couldn't tell any difference in the recoil between 2,750 and 2,850 fps.
Running through your gun I got 17.3 ft*lbs at 8.1 fps.
Running my gun at 20 lbs, 93 gr of powder, 300 gr pill, and 2750 fps pill speed I got 22.7 ft*lbs at 8.5 fps.
So if that means anything without a brake my gun would recoil about 25% harder...if that means anything.

Zero333
02-21-2017, 04:17 AM
25% more recoil wouldn't bother me. I'd probably not even notice the difference.

The 300winmag I'm referring to kicks less than my brothers 14 lb 308win. that has a solid buttpad.

My guess is that your 338 LM at 20 lbs shooting the 300 grainers around 2,700 - 2,750 will feel no different than a 8 lb 308 win.

JASmith
02-21-2017, 10:59 AM
Were you shooting it on the bench with or without a brake? And what kind of muzzle velocity were you getting?
No brake, the lightest countour available at the time. Standard velocities for 230, 270' and 300 gr bullets. Chronographs were hard to get in the mid-60's.

PepeLapiu
02-21-2017, 11:34 AM
My guess is that your 338 LM at 20 lbs shooting the 300 grainers around 2,700 - 2,750 will feel no different than a 8 lb 308 win.
Nah! Here are the numbers for the .308 versus my planned gun:


_____________________________recoil enery______recoil velocity
_______________________________ft*lbs___________fp s
.308 Win. 7.5 lbs (150gr at 2800fps)__15.8____________11.7
.308 Win. 7.5 lbs (165gr at 2700fps)__18.1____________12.5
.308 Win. 8.0 lbs (180gr at 2610fps)__17.5____________11.9
.338 LM 20 lbs (300gr at 2750fps)____22.7____________8.5
.
So yeah, mine would kick quite a bit more. And tge .308 I shot had a break on and probably was around 12-15 lbs with scope on. I don't know what it would feel like at 8 lbs and no brake. But to me the concussion and noise made me feel like the recoil was too much.

Edit: it's not coming out in neat table like I wrote it but I hope it's understandable.

CBryars2
02-21-2017, 12:35 PM
Shotmy 33 Steath with out break (baseline for Suppressor). Subjectively, it was not a lot of fun. Prone position and all I can say is - Thank Goodness for the suppressor, night and day.

PepeLapiu
02-21-2017, 01:48 PM
Shotmy 33 Steath with out break (baseline for Suppressor). Subjectively, it was not a lot of fun. Prone position and all I can say is - Thank Goodness for the suppressor, night and day.

Americans get to have all the fun with guns and silencers. Here in Canada silencers are illegal.
I wouldn't have a problem making or getting a can if I were not going to use it at a gun range.

My last gun range got shut down because people moved next to it before they figured out guns are loud.
So they are making illegal to make guns hearing safe and they shut us down because guns are too loud.
Gun laws in Canada are retarded. Hang on to your 2A my friend. You don't know how lucky you are.
Here's hoping your safe earning gun act goes through.