The Accurate Reloading Forums
577 - HELP
25 April 2014, 00:12
Safari James577 - HELP
I have a new Heym 577 that should be arriving by the end of the month and I have a bear hunt scheduled starting on the 16th of May. I have not been able to locate 577 Kynoch ammo (gun was regulated with same).
Does ANYONE have a lead on 577 Kynoch ammo?
Safari James
USMC
DRSS
25 April 2014, 01:35
sroseTry David Powell at Gunsinternational. He had some a while back. Also there is a Kynoch web site you can order ammo from.
25 April 2014, 05:06
Safari Jamesquote:
Originally posted by srose:
Try David Powell at Gunsinternational. He had some a while back. Also there is a Kynoch web site you can order ammo from.
I contacted folks at the Kynoch USA web site and they are out of 577 and not sure when additional inventory will be ordered.
Safari James
USMC
DRSS
25 April 2014, 07:03
sroseYou might also try Safari Arms or Superior ammunition to load you some 577.
25 April 2014, 07:22
ExpressYourselfIf you decide to contact Superior Ammo, give Lonnie a call. They Load the following to duplicate the Kynoch ammunition specs:
-Barnes TSX 750g
-Woodleigh Soft 750g
-Woodleigh FMJ 750g
Be sure to confirm/verify with them that you want to adhere to duplicating the Kynoch specs.
I believe these are the specs but you can double check with Lonnie to be certain:
28" Barrel
2050FPS (muzzle), 7010 Energy Ft/Lbs (muzzle)
1960 FPS (50 Yds.), 6400 Ft/Lbs (50 Yds.)
1874 FPS (100 Yds.), 5860 Ft/Lbs (100Yds.)
Shawn
25 April 2014, 17:42
Safari JamesShawn: Always a pleasure to hear from you. Thanks for the detailed info and I'll give Lonnie a call this morning and see what he can do. I have used them in the past for various loads and have always been satisfied.
A couple of friends and I ordered Heym 577s last year at the Heym Big Bore Shoot for an Aussie buffalo hunt this summer. Once we have the rifles we'll work up our own little magic but until then… it is commercially available ammo (not an option or so it seems) or loads from boutique reloaders.
Safari James
USMC
DRSS
25 April 2014, 20:49
Safari JamesProblem solved. Thanks for the assistance.
Safari James
USMC
DRSS
26 April 2014, 00:24
ExpressYourselfGlad to hear you are squared away. I am certain you will be thrilled with the Heym double in .577 NE. Be sure to post a photo when you are able. I hope we will see you again in Germany next year. It will be an exciting event.
Best always,
Shawn
28 April 2014, 08:01
PD999quote:
Originally posted by Safari James:
I have a new Heym 577 that should be arriving by the end of the month...
Pictures, or it didn't happen

Congrats, btw

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“A man can never have too much red wine, too many books, or too much ammunition” ― Rudyard Kipling
29 April 2014, 05:10
BiebsS James, did you get the boxlock built on the new large action, or a sidelock rifle on their "Jumbo" action?
30 April 2014, 06:10
Safari JamesBoxlock built on the new large action (AKA: G-block). Pictures will be added when rifle arrives.
Safari James
USMC
DRSS
30 April 2014, 06:50
BiebsGreat, looking forward to them :-)
02 May 2014, 19:17
chilcotin hillbillyJames don't worry abut the ammo, a stout rifle like that will make a great club in bay up you can alway go back to your 450-400 if the bears are treeing.
.
Doug McMann
www.skinnercreekhunts.comph# 250-476-1288
Fax # 250-476-1288
PO Box 27
Tatlayoko Lake, BC
Canada
V0L 1W0
email skinnercreek@telus.net
03 May 2014, 19:22
longrangehunterwhat would the cost be on one of these box lock 577's i wanna go to africa again with a 2 double rifle battery i already got a line on a 500 heym and would absolutly love to get my hands on a box lock heym 577 might take me 3-4 months to pay 1 off but it would be worth it
longrangehunter,
If you are really interested in a 577 I have a new VC 577 box lock for sale in classified. CHEAP at $17500. You can buy it and have money left over to shoot a tuskless.
Sam
03 May 2014, 23:35
Todd Williamsquote:
Originally posted by longrangehunter:
what would the cost be on one of these box lock 577's i wanna go to africa again with a 2 double rifle battery i already got a line on a 500 heym and would absolutly love to get my hands on a box lock heym 577 might take me 3-4 months to pay 1 off but it would be worth it
I've done the double / double battery safari twice now. Loads of fun! Will definitely do it again although this year's trip is going to be two bolt rifles.
Todd,
TWO BOLT GUNS!!! Shame on you.
Sam
Sam, I guess he actually wants to hit something this time around :-)
04 May 2014, 02:02
Todd Williamsquote:
Originally posted by srose:
Todd,
TWO BOLT GUNS!!! Shame on you.
Sam
Hey, and one is even a "Scoped 375 H&H". Oh the humanity!! Michael will probably disown me as a friend.

But actually, I'm not much of a "collector" in terms of having rifles in my safe that I don't use from time to time. I finally had that 416 Rigby repaired (trigger replacement) and have put it through its paces enough now to trust it again so it's going back for another trip across the pond this year. This is actually the reason I sold the 577NE. With the 500NE in the stable, I couldn't see taking any big bore double over to Africa other than it. IMO, and Sam I know you disagree, there is nothing gained by the 577NE over the 500NE except extra weight of the rifle, ammo, possibly a little recoil, and an unwieldy rifle in terms of physical size difference. The 500NE is the best combination (notice I didn't say compromise) of all factors involved.
quote:
Hey, and one is even a "Scoped 375 H&H". Oh the humanity!! Michael will probably disown me as a friend.
For sure! Michael uses 375 rounds for primers on his big bores :-)
04 May 2014, 05:48
longrangehuntersrose thx for the offer but im a heym man plus im left handed and id prolly have to have the gun stock changed and triggers worked/changed
04 May 2014, 06:20
Safari Jamesquote:
Originally posted by chilcotin hillbilly:
James don't worry abut the ammo, a stout rifle like that will make a great club in bay up you can alway go back to your 450-400 if the bears are treeing.
.
You aways have a solid plan! I've got the ammo and now need the darn rifle to arrive.
PM heading to you with a pic of the fox I shot today with the 450/400 using solids.
Looking forward to another awesome hunt with your spectacular hounds.
Safari James
USMC
DRSS
04 May 2014, 16:08
michael458quote:
Hey, and one is even a "Scoped 375 H&H". Oh the humanity!! Michael will probably disown me as a friend.

http://www.b-mriflesandcartridges.com/default.htmlThe New Word is "Non-Conventional", add "Conventional" to the Endangered Species List!
Live Outside The Box of "Conventional Wisdom"
I do Not Own Any Part of Any Bullet Company, I am not in the Employ Of Any Bullet Company. I do not represent, own stock, nor do I receive any proceeds, or monies from ANY BULLET COMPANY. I am not in the bullet business, and have no Bullets to sell to you, nor anyone else.
04 May 2014, 16:09
michael458quote:
Originally posted by Biebs:
quote:
Hey, and one is even a "Scoped 375 H&H". Oh the humanity!! Michael will probably disown me as a friend.
For sure! Michael uses 375 rounds for primers on his big bores :-)
Well, that's the only thing a 375 is good for!!!!!!!!!
http://www.b-mriflesandcartridges.com/default.htmlThe New Word is "Non-Conventional", add "Conventional" to the Endangered Species List!
Live Outside The Box of "Conventional Wisdom"
I do Not Own Any Part of Any Bullet Company, I am not in the Employ Of Any Bullet Company. I do not represent, own stock, nor do I receive any proceeds, or monies from ANY BULLET COMPANY. I am not in the bullet business, and have no Bullets to sell to you, nor anyone else.
Todd, Just picking on you. The 500 will do it all and is lighter weight. I still love the 577.
Longrangehunter, I fully understand, I'm a Heym guy too. I have a 500 and 577 Heym so this is why my VC is for sale. The 500 probably won't go hunting because I truly love my 577.
Sam
06 May 2014, 00:41
ExpressYourselfquote:
Originally posted by longrangehunter:
what would the cost be on one of these box lock 577's i wanna go to africa again with a 2 double rifle battery i already got a line on a 500 heym and would absolutly love to get my hands on a box lock heym 577 might take me 3-4 months to pay 1 off but it would be worth it
I believe I previously wrote a short teaser about an initial prototype of the Heym .577 NE boxlock on my blog. As I recall, that rifle first debuted to the general public and was made available for shooting during the
2013 Heym Challenge. Those that shot the rifle, including myself, had great things to say about it. In fact I asked the factory to build one for me.
As you might already know, there are various versions of this rifle that Heym offers. I believe they are all offered on the Gross Box (large frame) action size. This is one of my favorite Heym boxlock frames for the .470 and up calibers. You should contact Chris Sells of Heym to obtain current pricing but I believe the .577 boxlock is available in Gross Box versions from the basic PH and Safari Grade models, with your preferred options, all the way up to the Special Model Mark Sullivan. You are probably aware but it is worth mentioning that Heym builds doubles on 5-different frame sizes (to scale caliber correctly to weight and to provide customers the choice of two frames in most calibers.)
The Mark Sullivan model incorporates various design features that are not offered in the base price of the previously mentioned models. These include things such as a special 1920s Holland & Holland stock design, especially designed pistol grip, extended top tang over the comb, extended bottom tang to the pistol grip, Silver & Company recoil pad, and various other differences.
I was considering posting a build thread as my Heym .577 moved through the factory. Perhaps there would be interest in such a thread.
Shawn