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#1813369 - 01/25/11 09:48 AM 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat
The Wolverine Offline
Seasoned Member

Registered: 10/21/10
Posts: 159
Loc: Alabama
Getting closer, reamers on the way to Black Hole Weaponry. This building wildcats stuff is addicting.

Specs and data to follow.


Edited by The Wolverine (01/25/11 11:08 AM)
_________________________
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote! -- Benjamin Franklin, 1759

YOU CAN'T FIX STUPID--RJ, 2011

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#1814173 - 01/25/11 07:53 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: The Wolverine]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
L to R: 223/5.56X45 62gr.FMJBT,Untrimmed 6.5 PCC case, Short loaded 6.5 PCC (2.238",1.625" case) w/ 100gr. Nosler BT.

123gr.Lapua Scenar(1.300",.547BC),125gr.Nosler Partition 1.172",.450BC)




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#1814189 - 01/25/11 07:59 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
Here are some load data sheets for the 6.5mm PCC .








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#1814202 - 01/25/11 08:07 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
Some recent new LC/Federal factory brass...really good stuff @ a great price...Factory annealled & flash-hole deburred @ the factory.









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#1814228 - 01/25/11 08:20 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
WSMBUCK Offline
Die Hard Member III

Registered: 09/27/09
Posts: 3464
Loc: ms usa
Sent you a PM Paul

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#1814313 - 01/25/11 09:12 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: WSMBUCK]
KAG Offline
Die Hard Member II

Registered: 01/14/10
Posts: 1187
Loc: Kansas
Hard to see the data. OF course I love AR based wildcats and I have been reading the thread over at AR15.com on this as well as reading about the 6.5/223 JD Jones did a long time ago. The 6.5 TCU has always looked good so this I am sure will work just fine.

DO you plan to run slow pistol powder in it to get the burn speed to push the 6.5 out of the 223 parent case at a respectable rate? I would think it will be a good 200-250m round that is easily and cheaply formed for use on hogs and deer. I think Hogdon has some load data that may be usable based on the TCU cartridges that would also work.

Do you think you may have to trim the case back a little like on the 25/223 to seat heavier bullets and still retain enough case volume.

I wish it was not so but I really think the max bullets to get good ballistics is still somewhere around 100gr. I know you can put bigger in them by playing with mags and cases but...just saying

I will probably end up with a one of these barrels to test and just because while waiting for another 25cal chambering to get done.


Edited by KAG (01/25/11 09:59 PM)

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#1814334 - 01/25/11 09:27 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: KAG]
KAG Offline
Die Hard Member II

Registered: 01/14/10
Posts: 1187
Loc: Kansas
My bad, I saw it looks like the case is trimmed back a little.

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#1814525 - 01/25/11 11:09 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: KAG]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
Here are some of the original photos of the 6.5mm AR-TCU testing (120gr.Nosler Ballistic Tip).





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#1818869 - 01/28/11 08:48 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
OK,here is a video clip of my original 6.5mm AR-TCU project test firing a 123gr. Lapua Scenar loads @ 2.260" COL & Un-Fireformed brass @ a Velocity of 2,194fps-2,222fps. Tested for functioning & Velocity Etc.



http://www.youtube.com/watch?v=Mr-UZ2TBu7k

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#1818908 - 01/28/11 09:10 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
This one is tested using a Nosler 100gr.Ballistic Tip @ 2.260" COL.Un-Fireformed brass, Avg. Velocity of 2,469 FPS. Notice the bolt did not lock back (It was not loaded "Hot Enough")

http://www.youtube.com/watch?v=Nn9bzvMImfc

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#1824538 - 02/01/11 01:45 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
Update,Gauges are shipping today to BHW...Hopefully BHW will
have the test barrel ready for shipping Monday Feb. 7th.

Test barrel will be a 18" SS P3, Wolverine will have updates
on the field testing on his outdoor range.

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#1824557 - 02/01/11 01:57 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
Hello Fellas, One of the best rounds in terms of Energy,Velocity,Good B/C etc. is the Hornady Interlock 100 grain Soft-Point (#2610).

The B/C is a very respectable : .358
Bullet Length: .969" (Doesn't take much case cap./space).
Bullet Construction is Excellent w/ Interlock Design and Small Lead Tip.
Bullet Expands Well Down to 1,600 fps.

Estimated Velocity w/ Fireformed Cases (Loaded to Max. COL & w/ 22" Bbl.) :
2,729 fps. @ 1,656 ft/lbs. of Energy.

http://i742.photobucket.com/albums/xx65/Doc69er/P1000262.jpg


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#1824563 - 02/01/11 02:01 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
Doc69er Offline
Junior Member

Registered: 01/23/11
Posts: 44
Loc: Developer of the 6.5 PCC
Trajectory/Energy Table Example: 6.5mm/.264 Cal. 100 grain Hornady SP # 2610 Bullet.

Muzzele Velocity FPS: 2,729 fps.
Muzzle Energy Ft./Lbs. : 1,656 ft/lbs.
Taylor Index: 10.1

Range Zero @ 100 Yards.

Velocity @ 250 Yards: 2,120 fps.
Energy @ 250 Yards: 1,000 ft./lbs.
Bullet Drop @ 250 Yards: 8.8" (Inches)
Taylor Index @ 250 Yards: 8.0

Velocity @ 500 Yards: 1,615 fps.
Energy @ 500 Yards: 580 ft./lbs.
Bullet Drop @ 500 Yards: 65"
Taylor Index: 6.2

Bullet is still Supersonic @ 860 Yards @ 1,130 fps.



Edited by Doc69er (02/01/11 02:38 PM)

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#1842638 - 02/13/11 10:49 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: Doc69er]
The Wolverine Offline
Seasoned Member

Registered: 10/21/10
Posts: 159
Loc: Alabama
It has been a crazy weekend, got the 18" Black Hole Weaponry barrel Friday, did not get a chance to put the upper together until after church today, did not get load put together until just before dark.

My quad rail was supposed to be here Thursday, it still is not here, I put it together anyway. I am leaving tonight for a two day hog hunt, my brother is picking me up at 10pm, and I will be testing the PCC on hogs.

I got the 120gr Hot-Cor, sighted a couple inches low at 25 yards, moved to a 100 yards it was two inches high, dialed it down 4 clicks, and shot twice more, before I ran out of daylight, One shot one clean is time consuming. I know two shots, is not a group but I am very happy with a 1/2", and I am ready for hogs.

When I get back I will get the chronograph out and see how close the computer is to the real thing.










Edited by The Wolverine (02/22/11 05:07 PM)
_________________________
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote! -- Benjamin Franklin, 1759

YOU CAN'T FIX STUPID--RJ, 2011

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#1850184 - 02/19/11 12:07 PM Re: 6.5mm Patriot Combat Cartridge (6.5 PCC), AR-15 Specific 223 based wildcat [Re: The Wolverine]
The Wolverine Offline
Seasoned Member

Registered: 10/21/10
Posts: 159
Loc: Alabama
The Hog hunt was cut short after two hours in the stand the first morning, got a call from my wife, had some major drama with a employee, had to head back. I hope to get back to the test subjects soon.

I worked up a few loads a couple days ago, with so-so accuracy, had some wind gust and was getting groups up to 1 1/2 inch and was not happy about that.

Yesterday decided to see if it was me or the gun, took off the low power scope, and put on the Zeiss 6 1/2 x 20, and used my lower with the lightest trigger.

Much better results, now I know two shot groups are not a true test, but I am testing loads on a brand new caliber, I am not trying to build the most accurate load, I am trying to see what it will do, and how far I can push it.

The highest velocity that I saw was 2441 fps with the 120gr Speer hot-cor, I actually pushed it .2 grains hotter, but it was getting dark, and the chronograph did not read, and that is with a 18" barrel, I can not wait to see what the 22" will do.

I have some 100gr Hornady interlocks to work up. I also want to get some 90gr TNT's worked up for coyote.

I have been advised not to give actual loads until we get the dies that match the chamber, I am using a set of dies that are close, but having to hold it off the shell holder to make it work.














Edited by The Wolverine (02/19/11 12:14 PM)
_________________________
Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote! -- Benjamin Franklin, 1759

YOU CAN'T FIX STUPID--RJ, 2011

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