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#3323094 - 06/02/23 09:42 AM Re: First One [Re: WyoBull]
GC Offline
PM Junkie

Registered: 04/21/01
Posts: 17231
Loc: Missouri
Originally Posted By: WyoBull
I have had a Heckler & Koch Model 300 in 22 WMR since 1979 and it is one of my prized rifles and calibers in my safe. I used to use it years ago when doing a lot of close in calling and it would flat hammer the red fox. It also did a great job on the coyotes and I would not shy away from shots on song dogs out to 250 yards.
I sho0t Winchester 40 gr HP's out of it and with the polygonal rifling that H&K used on this rifle, it hits very hard, and much more than the standard rifling of say a Win model 94. I love the gun and the caliber but I don't shoot it a lot these days. Back when we had a lot of prairie dogs on public land and when the private land owners did not want to charge you to shot them, I laid down many a dog with that rifle.
Enjoy it pyscodog!


How much extra oomph do you believe the rifling of the HK contributes to the ballistics of the .22 Magnum over conventional rifling?
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#3323100 - 06/02/23 03:26 PM Re: First One [Re: pyscodog]
pyscodog Offline
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Registered: 12/04/06
Posts: 16234
Loc: okla
Shot the rifle again today. At 50 yds, the "Target" bullets and the HP's shot about the same. Both shot a decent size group. When I went to 100yds, the "Target" bullets accuracy fell apart in my opinion and the HP's shot much much better. I need to find some different brands to try now but plan to grab a box or two of the HP's just in case!!
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#3323101 - 06/02/23 03:52 PM Re: First One [Re: pyscodog]
GC Offline
PM Junkie

Registered: 04/21/01
Posts: 17231
Loc: Missouri
Those loads marked "target" aren't match bullets that are designed for accuracy. They are full metal case/jacketed bullets for plinking and shooting at targets - not for game/varmints/self defense like a hollowpoint or softpoint bullet. I wouldn't expect anything extra in the accuracy department with those "target" bullets and if they do give a stellar performance it is by chance and a happy coincidence.
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Every normal man must be tempted, at times, to spit on his hands, hoist the black flag, and begin slitting throats.

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#3323106 - 06/02/23 07:19 PM Re: First One [Re: pyscodog]
pyscodog Offline
PM Junkie

Registered: 12/04/06
Posts: 16234
Loc: okla
That explains why the shot so bad. I don't shoot FMJ in anything of mine. Kinda figured there was a catch. Never seen a target grade WMR round. I scored a 125 count box of the 40 grain HP's at Wally World this afternoon. $29 for 125 rounds. They came in a little carton like we use to get our milk in at school. May have to buy a couple more next time I go there.
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#3323122 - 06/03/23 09:58 AM Re: First One [Re: GC]
WyoBull Offline
Seasoned Member

Registered: 08/25/11
Posts: 458
Loc: Wyoming
Originally Posted By: GC
Originally Posted By: WyoBull
I have had a Heckler & Koch Model 300 in 22 WMR since 1979 and it is one of my prized rifles and calibers in my safe. I used to use it years ago when doing a lot of close in calling and it would flat hammer the red fox. It also did a great job on the coyotes and I would not shy away from shots on song dogs out to 250 yards.
I sho0t Winchester 40 gr HP's out of it and with the polygonal rifling that H&K used on this rifle, it hits very hard, and much more than the standard rifling of say a Win model 94. I love the gun and the caliber but I don't shoot it a lot these days. Back when we had a lot of prairie dogs on public land and when the private land owners did not want to charge you to shot them, I laid down many a dog with that rifle.
Enjoy it pyscodog!


How much extra oomph do you believe the rifling of the HK contributes to the ballistics of the .22 Magnum over conventional rifling?



I wish I had scientific data to back up what I said but unfortunately do not. That being said, I have a friend who had a Winchester 9422M and I have shot a lot with him with the rifles side by side over the years out calling and on prairie dog towns etc. There is just not doubt in my mind that mine hits harder and my friend is in agreement with me.
The way the polygonal rifling was designed to work was to not allow any gas to escape in front of the bullet. I believe that is why it performs better than a standard rifled barrel.
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#3323124 - 06/03/23 11:22 AM Re: First One [Re: pyscodog]
GC Offline
PM Junkie

Registered: 04/21/01
Posts: 17231
Loc: Missouri
There isn't enough difference between polygonal and conventional rifling to add any real world tangible advantage to polygonal rifling. If polygonal rifling had significant advantages over conventional rifling it would be the standard type in use across the major firearms manufacturers and custom barrel makers. But it isn't and there is a reason for that. Polygonal is ok, but it certainly isn't some magical rifling that gives so much extra velocity that it extends ranges and adds significant extra energy to the bullet.
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Every normal man must be tempted, at times, to spit on his hands, hoist the black flag, and begin slitting throats.

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#3323163 - 06/05/23 10:14 AM Re: First One [Re: GC]
WyoBull Offline
Seasoned Member

Registered: 08/25/11
Posts: 458
Loc: Wyoming
Thanks for the update GC, I appreciate it.


Edited by WyoBull (06/05/23 10:14 AM)
_________________________
)))))>>> Old cowboy wisdom... "Lead in the air... maybe. No lead in the air... no maybe" <<<((((((

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#3323164 - 06/05/23 10:36 AM Re: First One [Re: pyscodog]
GC Offline
PM Junkie

Registered: 04/21/01
Posts: 17231
Loc: Missouri
WyoBull,
I certainly am not crapping on your rifle, I apologize if it came off that way. Those HK rifles are super cool and desirable rifles. I'll bet you shoot your rifle well and have probably killed a box car load of varmints with it. You obviously have great confidence in your HK and that usually comes from a lot of success in the field. My only point is, as neat as the concept of polygonal rifling is, at the end of the day sometimes a nail is really just a nail. Same as all the other nails in the box. A bullet fired from your .22 Magnum all other things equal is no different performance wise than the same bullet fired from any other rifle so chambered. No disrespect intended, just fact.
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Every normal man must be tempted, at times, to spit on his hands, hoist the black flag, and begin slitting throats.

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