Author Topic: 5.56 NATO / 223 Remington Pull-Downs  (Read 1235 times)

The_Shadow

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5.56 NATO / 223 Remington Pull-Downs
« on: June 05, 2016, 10:24:55 PM »
Cartridge is from Ammo Manufacture: Black Hills .56 NATO 77gr Sierra Match King OTM  2009 (provided by Shadow)
Ballistics Information: 5.56 NATO / 223
Muzzle Velocity: 2750 fps
Muzzle Energy: 1293 ft. lbs
Brass Make/Headstamp: Winchester  WCC – Brass
Bullet Make/Weight/Construction/Info; Length 1.0025”/Dia. 0.2245”: Sierra 77gr. OTM
HP Depth 0.2320” / Boat Tail Hollow Tip
Actual weight 77.0 grains  / crimp cannelure  0.2230”
C.O.A.L.: 2.2430”/2.2445”/2.2465”/2.2475”/2.2475”2.2480”/2.2490”/2.2505”/2.2550”
Primer: Small Rifle Brass color (crimped)
Case: Diameter 0.3730” Crimp Diameter 0.2465”/0.2475” Length 1.7565”
Powder Description/Positive ID/Type/Charge Weight:  ?BL-C 2?  25.0 grains 









There are several powders that come close to this loading but BL-C2 seems to be the best fit for this 2009 BHA contract;
Hodgdon    BL-C2
Hodgdon   H-335
Hodgdon   H-414
Winchester    W-748
Winchester    W-844 = H-335
Winchester    W-846 = BL-C2

« Last Edit: June 06, 2016, 06:45:52 AM by The_Shadow »
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sqlbullet

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Re: 5.56 NATO / 223 Remington Pull-Downs
« Reply #1 on: June 06, 2016, 09:52:50 AM »
Given the qty of Wc846 I have on hand, this is great news for me!

The_Shadow

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Re: 5.56 NATO / 223 Remington Pull-Downs
« Reply #2 on: June 06, 2016, 12:32:03 PM »
Mitch can you post a picture of the WC846 powder for me, enough to cover the bottom of a scale pan.  The pics I have of 846 I have a re 10X magnification...I also emailed you a link to some more info.
The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
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Southeast, LoUiSiAna

sqlbullet

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Re: 5.56 NATO / 223 Remington Pull-Downs
« Reply #3 on: June 06, 2016, 01:38:14 PM »
Not greatest quality, but here you go:



Lot # 406359

The_Shadow

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Re: 5.56 NATO / 223 Remington Pull-Downs
« Reply #4 on: June 06, 2016, 02:29:42 PM »
Thanks for the picture of WC846

Here is the newer CFE223 powder...





There are small disk that like a flake type powder in the mix...see those inside the green circles

The "10mm" I'm Packin', Has The Bullets Wackin', Smakin' & The Slide is Rackin' & Jackin'!
NRA Life Member
Southeast, LoUiSiAna