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Where are those dang 150’s!

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britrifles View Drop Down
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    Posted: May 31 2020 at 6:08am
HTs question about seating depth with the Hornady 150 SP got me thinking that I’ve never tried that bullet in any of my No. 4’s.  I know I bought some a few years back, but do you think I could find them!???

When you get to be a ammo and reloading component hoarder like me, you start to run out of places to store this stuff and it gets spread around.  I started pulling stuff out off the shelves of bullets...

Not in here:


Not in here...


And not in my overflow stash...


I had about given up, but I was sure I had some.  Sat down on the floor in front of my loading bench and way back in the corner under the bench, there they were....



Now to load some up and see how they shoot.  


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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: May 31 2020 at 8:40am
40 Rounds loaded up to test.  

Case: PPU neck sized, primer pockets uniformed
Primer:  WLR
Powder:  H4895, 36.0 gr, minimum charge per Hodgdon website
Bullet:  Hornady 150 gr SP, #3120, flat base, 0.312 dia. 
COL: 3.05 in (for reliable feeding from magazine)

I picked the minimum charge to start with, seeking reduced recoil for short range 200 Yd matches.  The reduced recoil will help in the rapids.  

I started with 3.00 inch COL but unless the bolt was moved fairly quickly, the bullet nose would get caught in the left side of the breech face as it popped out of the mag lip.   With 3.05 inch COL, the bolt could be cycled as slow as I wanted with one finger pressure.  



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Post Options Post Options   Thanks (1) Thanks(1)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: May 31 2020 at 1:37pm
 Seating the Hornady 150 SP at 3.05 inches COL, the bullet ogive is still a long way off the lands on my rifles.  It’s got to jump 0.2 inches to contact the lands.  It’s got a large ogive radius as compared to the Mk 7 service bullet and 174 gr SMK.  The bullet is just barely in the case mouth when contacting the lands. 

Hornady 150 SP on left, Canadian Mk 7 Service bullet in middle and 174 gr SMK on right.




3.250 inch COL when bullet touches the lands in my 69L Mk 1/3.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote 303 Hunter Quote  Post ReplyReply Direct Link To This Post Posted: May 31 2020 at 3:19pm
Interested in how they shoot. On a different note, what is the B.C. of the mk 7 bullet?
The Lee Enfield is to the Canadian north what the Winchester repeater was to the American west.   Cal Bablitz
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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: May 31 2020 at 4:16pm
The BC is quite high for a FB bullet of that weight and caliber. The nose filler being much less dense than the cylindrical lead slug.  0.467 IIRC.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: May 31 2020 at 6:36pm
If you think the Hornady is bad check out the Speer!
You have to seat it outside the case entirely!
Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stumpkiller Quote  Post ReplyReply Direct Link To This Post Posted: May 31 2020 at 7:55pm
LOL

God meant the .303 to shoot 174 grains.  It's right there in the Book of Deuteronomy with what you can eat as I recall.
Charlie P.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Honkytonk Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 6:20am
I do know that after quite a bit of field tests with 180's/174's the L42A1 clone shot Hornady 150 SP's far better than the heavier pills. Pretty much the difference between night and day. I set them at 3.04" OAL. I do use the same 150's in my main deer rifle, a Sporter, but they are seated even with the cannalure. They shoot extremely well out of that particular rifle.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 6:39am
Originally posted by Stumpkiller Stumpkiller wrote:

LOL

God meant the .303 to shoot 174 grains.  It's right there in the Book of Deuteronomy with what you can eat as I recall.

That might be!

Midway has a 20% sale on 174 SMKs.  I bought another 2000.

My M1, which was also designed for 173 gr bullet, shoots the little Speer 125 gr flat base like a laser.  So you never know till you try!  


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stumpkiller Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 6:55am
How do they do with the iron sights as far as elevation?

On second thought, It wasn't Deuteronomy, it was Mark: VII   ;-)

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Shamu Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 7:05am
I thought that was

"The Book of Armaments, Chapter 2, Verses 2~7"

Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stumpkiller Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 11:04am
LOL

Thank you, Brother Mayard.

Quote And Saint Attila raised the hand grenade up on high, saying, "O Lord, bless this thy hand grenade, that with it thou mayst blow thine enemies to tiny bits, in thy mercy." And the Lord did grin. And the people did feast upon the lambs, and sloths, and carp, and anchovies, and orangutans, and breakfast cereals, and fruit bats, and large chu...

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Honkytonk Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 12:16pm
Sounds like the menu at Chinese wet market.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote britrifles Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 12:25pm
Originally posted by Stumpkiller Stumpkiller wrote:

How do they do with the iron sights as far as elevation?


Not much difference, a click or two on a 1 MOA click adjustable aperture sight.  I write down the 200 yard zero on the load data sheet attached to the ammo box.   I typically count clicks up from zero, thou I rarely ever adjust the elevation setting unless I were to shoot at a range other than 200 yds.  All of this is based off a 6:00 hold on a 6 MOA black aiming mark, so POI is 3 MOA above the POA.  

I’ll be range testing the load this Friday and will report the results.  
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Post Options Post Options   Thanks (0) Thanks(0)   Quote paddyofurniture Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 5:20pm
Originally posted by Stumpkiller Stumpkiller wrote:

LOL

Thank you, Brother Mayard.

Quote And Saint Attila raised the hand grenade up on high, saying, "O Lord, bless this thy hand grenade, that with it thou mayst blow thine enemies to tiny bits, in thy mercy." And the Lord did grin. And the people did feast upon the lambs, and sloths, and carp, and anchovies, and orangutans, and breakfast cereals, and fruit bats, and large chu...

From Monty Python movie, Month Python and the Holy Grail.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote WilliamS Quote  Post ReplyReply Direct Link To This Post Posted: June 01 2020 at 6:26pm
Originally posted by Stumpkiller Stumpkiller wrote:

LOL

God meant the .303 to shoot 174 grains.  It's right there in the Book of Deuteronomy with what you can eat as I recall.

Nonsense, the Book of Armaments clearly states that He meant the .303 to shoot 215 grains.  Humans just mucked it up when we wanted to go faster. 
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