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Ok so...... I’m new as to this reloading buisness. So far I have.
x1 box of Hornady 7mm 139grn sst progectiles
x1 case of ADI AR2208 powder
x1 packet of Winchester primers
x 75 7mm-08 brass cases
I know there is still a fair bit of things to get was just putting it out there just incase some one has some advice or anything they want to sell that they think I will need and if anyone has some advice on loading 139grn sst’s with ar2208 powder. Cheers
You have dies too ;)Quote:
Originally Posted by anthony
Oh shit cheers @Tommy yea redding 7-mm08 dies
43.5gr of 2208 normally goes pretty well.
:XD::thumbsup: looks like you have more than enough help there @anthony :thumbsup:Quote:
Originally Posted by Tommy
41.5 grs of AR 2208 is the Max load listed for that bullet in 10th Edition of the Hornady manual. I would load a little lower than this and work up your load to GWH load of 43.5 grs. You may not be able to get to that weight load if you experience pressure problems. Watch out for sticky or hard to lift bolt after firing, that is a sure indicator of high pressure , you would need to back the load off if you get those indicators. Flattened primers and a crater on the primer where the firing pin hits are also indicators but not as good as the bolt lift one. 41.5 grs is listed as travelling at 2800fps.
Yip 43.5g of 2208 but yea work your way up
Just run a batch of loaded rounds at mag length going up in .5 gr increments from 40 grains and pick what shoot best then go kill some shit.
Every rifle is different. My last 7mm08 shot better at slightly lower pressure. Think it was 42.5
What make of brassQuote:
Originally Posted by anthony
In my experience all makes of brass are good except federal which was an arse to resize. Different makes will have slightly different capacities making the same load appear bigger or smaller in the case. However I have never found this to make any practical difference to accuracy or poi for hunting purposes.
That is true but can stuff up how much powder you can put in before you get presure signsQuote:
Originally Posted by Marty Henry
I gather you have a press, shell holder(s) primer tray, loading tray, lube, deburrer etc. Sometimes it's forgetting the little things stops the whole process.
Yep, Federal sucks, necks split easy (even with annealing) and the flash holes and primers pockets are a mess.Quote:
Originally Posted by Marty Henry
But for shoot it once and not caring in a semi, its an okay option.
You will need a note book to record your loads.
At first you might Not do much measuring.The critical dimensions that define a load are:
Bullet weight and batch number
Powder type weight and batch number
PriMer manufacturer model and batch
Cartridge Overall length to tip
law measure to 7mm ogive which is more stable and defines jump to lands
Case Manufacturer and length after trimming
Later measure to sholder datum. I use a diameter of 0.4OO" for my 7mm 08. This defines the cartridge headspace and whether it will fit into the Chamber again. You Should adjust your die so it Only Sizes the case down by O-003 to 0-005" each time. Its easiest to use a full length die. If you use neck sizing then every now and then you will have to full length size or "bump" size the body.
I worked up to 43° gn of AR 2208 with 140gr Nosler ballistic tips but had tested higher loads so I know I have a bit to spare. My primer pockets are gradually getting loose so perhaps that is a bit hot really.
Ifyov don't like reading a reloading book I hear there are good videos on You Tube and one mate learnt online and shoots well now.
All the best with this!
You will need a note book to record your loads.
At first you might Not do much measuring.The critical dimensions that define a load are:
Bullet weight and batch number
Powder type weight and batch number
PriMer manufacturer model and batch
Cartridge Overall length to tip
later measure to 7mm ogive which is more stable and defines jump to lands
Case Manufacturer and length after trimming
Later measure to sholder datum. I use a diameter of 0.4OO" for my 7mm 08. This defines the cartridge headspace and whether it will fit into the Chamber again. You Should adjust your die so it Only Sizes the case down by O-003 to 0-005" each time. Its easiest to use a full length die. If you use neck sizing then every now and then you will have to full length size or "bump" size the body.
I worked up to 43° gn of AR 2208 with 140gr Nosler ballistic tips but had tested higher loads so I know I have a bit to spare. My primer pockets are gradually getting loose so perhaps that is a bit hot really.
Ifyov don't like reading a reloading book I hear there are good videos on You Tube and one mate learnt online and shoots well now.
All the best with this!
Federal Primer pockets, yes I got given a load of once fired brass for the 223 ( Im a bit of a squirrel for brass). Repriming the federal, excessive resistance was experienced, remove the case and it looks like the pocket has been shimmed? with copper and was off centre. Look at all the others they are the same so I bin the lot.Quote:
Originally Posted by dogmatix
Having said the the factory ammunition is pretty good but I agree the brass is only designed for one trip.
Hi Antony
I've worked up to 44gr of 2208 in my 7mm08. its averaging 3058 fps. and luckily gave the best group.
I've got a weatherby mk v ultralight. no pressure signs which is good.
I did to 44.5 which gave it another 30fps but 44 seems good for now.
Cheers
Dan
Have you had problems with loose primer pockets with the federal brass as wellQuote:
Originally Posted by Marty Henry
I had some hornady 308 brass from some factory superformace ammo and the primers had been 'crimped'?? in...... just gave them a strum up with the case deburrer and that took care of that :DQuote:
Originally Posted by Marty Henry
A lot of ammo manufacturers crimp .223 and .308 it's required for any military contracts they get, I have seen Federal .223 with glued in primers it's a blue colour is just as
hard to deprime as crimped cases
Full length resize your brass according to your particular die instructions every brand is set up slightly different
Clean primer pockets with a primer pocket cleaning tool 10 bucks ish from gun shop
Seat new primers make sure they are seated flush or very slightly below the rim of the case you don’t want them protruding
Pick a load of powder 1/2 way between min and max is a good safe bet if you just want to have a play for now
Put a change of powder in your cases
Set up seating die according to instructions and seat bullets so they will just fit in the magazine without jamming this is best done by loading a dummy round 1st no power or primer just size the case and seat the bullet
Close the bolt to check if it chambers nicely
If it does your good to seat your projectiles into your live ammo
If id doesn’t you ether have your bullet seated to long (there will be marks on the projectile from the rifleing if this is the case)
Or you haven’t sized your brass correctly
That’s about the most Rudimentary prosess and can be done with only the most basic of Equipment once you have done this a couple of times you will then be confident enough to start being more precision and fiddling with bits and pieces to make your ammunition better and better
A reloader never stops learning new stuff but start basic and work on it