Specialty Pistols
510 Whisper project...

This topic can be found at:
https://specialtypistols.infopop.cc/eve/forums/a/tpc/f/3826077864/m/3260081666

September 16, 2013, 04:13 PM
Gator T/C
510 Whisper project...
old junk

Brad

This message has been edited. Last edited by: Gator T/C,


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Contender 22LR, 17MachII, 17HMR, .223(SSK), 6mm Gator, 6TCU, 6mmJDJ(Van Horn), 25x47(Coyote), 6.5 JDJ(SSK), 7x47(SSK),308 Bellm, .338 SSK Woodswalker (2),358 Bellm, 375Win, 375 JDJ(SSK), 45/70(SSK), 45/70 (VanHorn), 50-70(SSK)
Encore .243, 7mm–08, 300WM(15-1/4"), 50-90(MGM, 14"), 50–110 (MGM), .50ML(16")
XP-100 .223, .223AI, 6mm204Imp, .243AI, 6BR
XP-7 .223,.243,.300Blackout, .300RSAUM
XP-700SA .22LR, .243
XP-700LA .25/06, .270AI, .300WM,.338 Lapua, .510 Whisper
September 16, 2013, 04:56 PM
rancilio
This is going to be sweet!


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Southern Arizona FFL/SOT
quiettimesports@gmail.com
September 16, 2013, 05:31 PM
rickiesrevenge
That's interesting. Whats the black ring behind the muzzle brake?

Aaron
September 16, 2013, 05:39 PM
snowgetter1
This has be number one in the "cool" book. Only wish I could shoot it too.
September 16, 2013, 09:07 PM
rickiesrevenge
What are you planning on doing with this pistol? Just paper or are you going to put a can on it and hunt?

Aaron
September 17, 2013, 09:27 AM
rickiesrevenge
What size are the pulled BMG bullets? I thought they were .510 already.

Aaron
September 17, 2013, 01:43 PM
handcannon
Gator, I have the Whisper big brother a 50 off of a 460 Weatherby case 2". From SSK in a Xp. I have a center grip. With the recoil I have no way would I want a rear grip. But I am doing 300gr bullets just under 3000fps. 600gr at 1800fps. I have shot everything from 300-900 bullets.

If you make a 350-450 would it be pointed, or like the Barnes 300gr almost round. A 350gr at 2500-2700fps with a lot better bullet shape would be great. Now even at close to 3000fps the 300gr Barnes drops like a rock..

I get 1 1/2"-2"@100yds groups all day.Pulled bullets do worse than say a Hornady Amax or any good match bullet. My hunting load 450 Barnes at 2100fps a reduced load will do under 1" sometimes.But I have a 4X scope so the little dots out at 100yds get fuzzy in the sun or heat.Plus eyes getting older.

Keep us posted like to see how this turns out. You going to do subsonic loads or supersoinc or both? I been thinking about having JD make be a 510 whisper but not for sure on the supersonic side of it. Thanks Wade


WADE
GOOD LUCK
GOOD SHOOTING
September 17, 2013, 05:26 PM
snowgetter1
Man I used to love shooting long range API with a M-2 on single shot. You could always see hits for sure with them!
September 20, 2013, 05:59 PM
subsonic
You'll have difficulty stabilizing pulled BMG anything with a 10 twist...Let em know if you need a die set..I have several.
September 20, 2013, 06:20 PM
rickiesrevenge
quote:
Originally posted by subsonic:
You'll have difficulty stabilizing pulled BMG anything with a 10 twist.


Why?
September 20, 2013, 06:25 PM
rickiesrevenge
Does it headspace on the turned part of the neck or the mouth of the case?

Aaron
September 20, 2013, 10:48 PM
rickiesrevenge
That doesn't seem like much for it to headspace on. But if it works.... I ran the numbers with a AMAX as slow as 800fps. Still showed them as being stable. Any those are pretty long bullets.

Aaron
September 21, 2013, 01:38 AM
LoneStar
I used to fire the TCCI 750-grain solids in my SSK .50-70 Contender ($$$), they were stable at 950 fps. Those were some seriously long bullets....



.


.

“The 30-06 is the world's most over-rated big game cartridge" - Elmer Keith
September 29, 2013, 10:28 PM
rickiesrevenge
Shoot it yet??

Aaron
September 30, 2013, 06:21 AM
Da-Law-Dawg
Lookin' forward to the pics of the BOOMER Gator!!
October 01, 2013, 09:54 PM
snowgetter1
Incredible looking handgun. My vote is for centergrip, it looks great.
October 01, 2013, 11:56 PM
handcannon
Brad, I use 4198 in my 50


WADE
GOOD LUCK
GOOD SHOOTING
October 02, 2013, 12:50 AM
greenhornet-1
I think it's going to need a bigger brake!!!!
October 02, 2013, 01:59 AM
3leggedturtle
Too COOL. The 1st pic looks like something the Green Beret shoulda had in Nam.


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30/30 Winchester: Not accurate enuf for varmits, barely adequate for small deer; BUT in a 10" to 14" pistol is good for elk/moose to 200 yards, and silhouettes to 300 metres
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October 02, 2013, 05:26 AM
bowstryder
x2 on the centergrip. what is your overall expected weight of the big boy?
October 06, 2013, 05:10 PM
rickiesrevenge
I like the centergrip better Big Grin Looks nice. How long is your barrel and how big is it at the muzzle?

Aaron
October 06, 2013, 11:29 PM
tinkerer
You guys and your 500 OD bullets scare me.

I am just fine with my 308 and 284, thats plenty of muzzle energy for me. Don't got no dinos here to kill, that I know of.

Larry
Tinkerer
October 07, 2013, 02:08 PM
rickiesrevenge
That looks sweet. Looking forward to the range report.

Aaron
October 10, 2013, 09:18 PM
TCTex
You have me drooling!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


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Democracy is two wolves and a lamb deciding what to have for dinner. Liberty is a well armed lamb. Benjamin Franklin

October 14, 2013, 08:22 AM
subsonic
quote:
Originally posted by rickiesrevenge:
quote:
Originally posted by subsonic:
You'll have difficulty stabilizing pulled BMG anything with a 10 twist.


Why?


DOD does things to the 50 cal projectiles to make their flight paths deviate.
The tighter you twist them the more stable they stay.
The last one I built for subsonic work, also a 16 inch barrel, shot milspec into cloverleafs @ 100yds and a single ragged hole with AMAX's. This cartridge's accuracy over distance is phenomenal, and sounds like a car door slam when fired through a can.

This message has been edited. Last edited by: subsonic,
October 15, 2013, 03:03 AM
rickiesrevenge
QUOTE]
DOD does things to the 50 cal projectiles to make their flight paths deviate.
The tighter you twist them the more stable they stay.
The last one I built for subsonic work, also a 16 inch barrel, shot milspec into cloverleafs @ 100yds and a single ragged hole with AMAX's. This cartridge's accuracy over distance is phenomenal, and sounds like a car door slam when fired through a can.
[/QUOTE]

Nice looking rifle. What do they do to make the flight paths deviate?

Aaron
August 07, 2014, 06:11 PM
rickiesrevenge
Have you shot this thing anymore?

Aaron
August 08, 2014, 04:33 PM
WV Hitman
I was lucky enough to shoot the original .500 Whisper that JD made for a "special govt. agency". So far I've killed around 20 deer with it (when I can get him to bring it here). It was very quiet-like my .300 Whisper. Recoil was like a .410 shotgun. We used AMaxes. Can't remember a deer moving. Killed them out to 2-250. The "govt. agency" was able to get 100% hits on old Abram tank turrents at 1000 yd. They have a lot of these guns and love them, but don't promote them.
I wanted one, but JD talked me out of it due to $$$$$$$$$$$$$$. Got my .300 instead and never looked back. The big Whispers are fun, but $$ to shoot. I've killed deer with the .338 and .375 Wh. .338 gives the best performance (probably due to the longer bullets), but my .300 does a little better with the Lehigh bullets.
August 08, 2014, 05:44 PM
rickiesrevenge
What twist is the 338 whisper? That's based on the BR case right?

Aaron
August 09, 2014, 09:54 PM
WV Hitman
Yes, BR case. Don't know twist. I'll be seeing JD soon and will ask.
August 10, 2014, 02:45 PM
Jay HHI6818
Checked my SSK 338 Whisper 1-7 twist
October 05, 2014, 01:56 PM
TXBRASS
What is barrel length on this beauty?


CW
**********************
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October 05, 2014, 02:41 PM
Ramkiller
I think you just topped Dirty Harry for having the most powerful handgun ever made Big Grin


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"Don't believe everything you read on the internet" -Albert Einstein
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Ed
NRA, IHMSA
October 05, 2014, 04:23 PM
Gator T/C
See details above...barrel is 16-1/4" without brake.

Brad


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Contender 22LR, 17MachII, 17HMR, .223(SSK), 6mm Gator, 6TCU, 6mmJDJ(Van Horn), 25x47(Coyote), 6.5 JDJ(SSK), 7x47(SSK),308 Bellm, .338 SSK Woodswalker (2),358 Bellm, 375Win, 375 JDJ(SSK), 45/70(SSK), 45/70 (VanHorn), 50-70(SSK)
Encore .243, 7mm–08, 300WM(15-1/4"), 50-90(MGM, 14"), 50–110 (MGM), .50ML(16")
XP-100 .223, .223AI, 6mm204Imp, .243AI, 6BR
XP-7 .223,.243,.300Blackout, .300RSAUM
XP-700SA .22LR, .243
XP-700LA .25/06, .270AI, .300WM,.338 Lapua, .510 Whisper
December 02, 2019, 09:40 PM
Kory horn
I'm going to poke my head in here how's this thing going? Interested in building one myself
December 03, 2019, 10:33 AM
Jay HHI6818
Hi Brad
Check out Pats reloading for 50 cal bullets


http://patsreloading.com/patsrel3/Items.aspx
December 08, 2019, 03:15 PM
Kory horn
I'm thinking really hard about building one in a rear grip i was thinking long action left handed single shot then running a 12 inch barrel on it or so. Who did you get your reamer from or if you're done with yours would you like to pass it on maybe
December 08, 2019, 03:28 PM
Gator T/C
I have two reamers. One for the barrel and one for a sizing die. I got them from Pacific Tool and Die. Let me think on whether I am ready to let them go or not.

Brad


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Contender 22LR, 17MachII, 17HMR, .223(SSK), 6mm Gator, 6TCU, 6mmJDJ(Van Horn), 25x47(Coyote), 6.5 JDJ(SSK), 7x47(SSK),308 Bellm, .338 SSK Woodswalker (2),358 Bellm, 375Win, 375 JDJ(SSK), 45/70(SSK), 45/70 (VanHorn), 50-70(SSK)
Encore .243, 7mm–08, 300WM(15-1/4"), 50-90(MGM, 14"), 50–110 (MGM), .50ML(16")
XP-100 .223, .223AI, 6mm204Imp, .243AI, 6BR
XP-7 .223,.243,.300Blackout, .300RSAUM
XP-700SA .22LR, .243
XP-700LA .25/06, .270AI, .300WM,.338 Lapua, .510 Whisper
December 10, 2019, 06:42 PM
Kory horn
10-4 just let me know if you would like to thanks