I have a pre64 mod 70 which has been reworked by G&H. Am considering magnaporting the rifle to reduce muzzle flip. anyone have any experience with this?

In 2006 I hunted Cape Buffalo with a PH who used a BRNO 602 in 458 Lott that had been Magnaported.

The rifle had apparently been given to him by a client. It was very well used ... having little bluing anymore. But, he said he liked it.

Did it just get an action job and checkering from G&H, or was it a "G&H built" rifle?

The latter has colletor's value, - particularly depending on when it was done - and I would leave it alone.

If there's no collector value, then do what you want to it.

However, a good, clean pre-64 would be easy to sell, and you could buy one more suitable (heavier) or another caliber.

It has a quarter rib, banded front sight, blackburn bottom metal, G&H top mount, stock is as came from the factory(had to put a spacer to increase the lop). I don't know if it has any particular value except to me: I used it to shoot my first elephant in Doma with Gordon last year.

I would look at the different brakes out there. While the magnaport style was one of the first. I think the newer ones with more holes ( I cant think of the official term) work much better. I shot one of the first ones on a 300 Weatherbey and it really worked great. The only problem is the increase in muzel blast with any break.
Bill

I magnaport most of my magnums. It is unobtrusive (better looking than a brake) and it reduces barrel jump and does reduce the recoil some and I don't notice the muzzle blast.
It does not reduce recoil as much as a brake but the brakes are loud. I would think twice about doing it to a gun that has significant collector value, but then I don't buy those. I buy guns to hunt with and they must suit me or they get sold.

What Butch said. Magnaporting is effective and leaves everyone with their hearing intact. It is hardly noticible, esthetically.

as for ME (it's not my rifle)
1: a 458 winmag doesn't kick worth noticing
2: *I* WILL make fun of you for having sissy ports in a winmag
3: *I* believe they are high pitched whistles.. and if you can't hear them (sorry Bob) then your hearing is already damaged
4: you will get doc'ed by the next buyer, or your heirs will, for "ruining" a perfectly good rifle.

Ask Bobc about his at-one-time ported 375HH .. it's a couple inches shorter now! ..

Ports on a popgun? That's like a 3" exhaust on a 1.6L naturally aspirated import car ..

In other words, (if you don't already) learn to reload and hunt north america with 405 rems or 400 woodleighs at 2150 (that way the sights more or less work... you might need to go a little slower) .. and then load your 500s starting at 1900fps and work up...

with the spacer on the LOP, it will feel FAR less

jeffe

Well, just call me a wimp! It's not the recoil; rather, the muzzle flip I want to calm down a bit in order to reacquire my target a bit faster. i was leaning towards magnaporting since I have read that it does not increase muzzle blast.

quote:

Originally posted by Bryan Chick:
Well, just call me a wimp! It's not the recoil; rather, the muzzle flip I want to calm down a bit in order to reacquire my target a bit faster. i was leaning towards magnaporting since I have read that it does not increase muzzle blast.

Bryan, if recoil is not the issue and muzzle jump is you need to lean into the rifle more 60% of weight on forward leg decreases muzzle jump 50%. Have someone video you when your weight is 50-50 and when you lean into it 60-40 you'll be amazed at the difference.

Bryan
Not calling you a wimp.. click on my weaponsmith link, then 550 express, then videos... if you turn into it, put your weight a little forward, and then let the rifle kick RIGHT and some up... or work on lighter loads and work up... the 458 winman, even in my youngest son's 8# rifle, isn't a bad kicking rifle

OK, thanks, I'll try to modify my stance first: play like I am shooting a BAR on high rate. Thanks again guys

It's a lot easier to just have it MagNaPorted than to relearn a way of shooting a SINGLE rifle in my estimation. I had a 416Rigby Ruger RSM that was MagNaPorted and the muzzle flip was reduced considerably from my 416Rigby CZ 550. The recoil is basically straight line.

I don't see magnaporting as wimpy. I see it as an advantage. I think taking the advantage is smart, especially for the casual shooter. Many of those who post here are a lot more than casual shooters and have developed a tolerance for recoil and don't see any advantage in porting. The goal is to shoot your weapon of choice well. If magnaporting helps "go for it". None of my guides ever gave a flip about my weapons. All they cared about was that I shot them well enough to get the job done.

I don,t have a good pic of it but I had the barrel on my 9.3x64 back bored 1 "and 3 slots milled into the sides and and 3 holes in the top ..It eliminates muzzle flip , reduces recoil and isn,t very loud compared to my other rifles with muzzle brakes on them , including a 338 Win mag with a slimline KDF . I think magna porting is definitely a worth while addition , But you might bring some electronic hearing protectors for your Guide or PH and staff .

That way no one has anything to complain about , and your rifle is more fun to shoot ...

If a muzzle brake helps your shooting then by all means install one...

I might suggest that you go with a slimline KDF or something on that order..You can have it threaded on under the barrel band front sight and then have a thread protector that looks like a crowned muzzle..That way you can use the muzzle brake at the range and for testing loads off the bench, then take it off for hunting or display and it will not be noticeable..

You can also take it off at the end of a shooting session at the range and fire a few shots off hand each time you go there or whenever you shoot the rifle always end up shooting a few rounds off hand without the brake, after awhile of doing this you will probably end up cutting the brake off or just not using it. Always use hearing protection unless your hunting, and that's optional and argueable..I personally won't plug my ears while hunting.

It is a great way to conquer the big bores.

Good luck and good shooting.

Huh? What? did somebody say something?!!?