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  1. #1
    Senior Member Winxp_Man's Avatar
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    Maybe some one will find this useful :D


    Here are some Lapua .308 brass weights and how much they can hold. These are all once fired and still with the primer I will do some new one when I get a chance.

    Brass GR Amount of H2O held by case in GR
    177.2 held 56.3
    176.3 held 56
    176.5 held 55.8
    176.6 held 56.1
    177.2 held 55.1
    177.2 held 55.6
    176.4 held 55.9
    177.1 held 55.8
    177.9 held 55.9
    177.5 held 56

    So average is 55.84

    Winchester Brass

    163.1 57.3
    163.3 57.4
    164.1 57.5
    163.2 57.4
    164.3 57.0
    161.8 57.6
    163.6 57.0
    163.8 57.2
    161.0 57.5
    161.8 57.3

    Average Grains held is 57.32


    This is how it was with powder of various sorts. This brass was prep'd but the top was recently shot.

    Winchester Brass Trim Length- 2.005 can hold 51.2 grains of IMR 4064

    Winchester Brass Trim Length- 2.005 can hold 52.5 grains of Varget

    Winchester Brass Trim Length- 2.005 can hold 53.3 grains of R-15

    Lapua Brass Trim Length- 2.005 can hold 51.8 grains of R-15

    Lapua Brass Trim Length- 2.005 can hold 51.2 grains of Varget

    Lapua Brass Trim Length- 2.005 can hold 50.1 grains of IMR 4064



    Here is the Federal Brass numbers:


    These cases are once fired FGMM cases.
    Case Weight: Case Capacity:
    181.9 55.7
    182.3 55.7
    182.2 55.7
    182.0 55.5
    180.5 56.0
    181.6 55.9
    182.9 56.0
    181.8 56.0
    181.3 55.9
    181.4 55.9

    These cases are regular federal cases.

    Case Weight: Case Capacity:
    184.0 55.3
    183.9 55.6
    183.4 55.9
    183.9 55.3
    183.7 55.5
    184.3 55.5
    184.0 55.4
    183.4 55.6
    183.1 55.5
    184.5 55.3
    shoot to kill not wound !

    Reminton 700 SPS Tactical .308
    Remington 700 Sendero SF II 300 Win Mag

  2. #2

    Join Date
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    This is about what one would expect. Lapua brass has thicker wall than Win brass. I would have expected the Lapua brass to tighter spread in capacity than Win.

  3. #3
    Administrator El Chorizo's Avatar
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    I think I will sticky this!

    Feel free to add other brands of brass if you like. I primarily use Winchester brass in my .308 and Federal (FC) brass for my .223 AR. Good info to have!

  4. #4
    Senior Member Winxp_Man's Avatar
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    I will work on adding .223 I have LC brass available and some Hornady some Winchester and just found some Federal as we speak.
    shoot to kill not wound !

    Reminton 700 SPS Tactical .308
    Remington 700 Sendero SF II 300 Win Mag

  5. #5
    Senior Member Winxp_Man's Avatar
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    Ok guys added some federal brass for the .308 stuff.
    shoot to kill not wound !

    Reminton 700 SPS Tactical .308
    Remington 700 Sendero SF II 300 Win Mag

  6. #6

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    Amazingly, my once-fired, yet fully prepped LC 07 brass capacity measured out REALLY close to Federal once-fired but unprepped brass from their American Eagle 150 grain .308 Winchester...

    54.2 grains of water (LC 07 Average of 20 cases) to 54.1 grains of water (Federal American Eagle- Average of 20 cases)

    I am planning to do a full cut away measure and weight test of once-fired brass, I think that it would prove very interesting. I'm thinking that the brass may be manufactured by the same company.

  7. #7

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    I too have some LC brass. Older stuff, 66-69 but only fired once. It too weighs the same as Federal brass. I recently did some load development for these cases as I had a lot of them laying around. I wanted to develop an inexpensive hunting load that I could mass produce and store for an emergency situation. I found that the LC brass and the Federal brass shot identical point of impact and velocity with 47 grains of Winchester 748, 150g SGK SBT bullet, Winchester large rifle primers, trimmed to 2.005, and an OAL of 2.8". Considering I picked up the 300 cases of brass at a yardsale for three dollars (not it's not a typo), I bought the bullets with my Discover rewards, I already had the primers and powder, the rounds were rather inexpensive to load. I was able to get 2725fps out of them. Adequate for deer hunting or taking elk at close ranges. With this load I was also able to maintain .75" groups at 100 yards and brass made no difference. I even switched to brass by Remington (weighed similar to Winchester), POI changed slightly but the group sizes were the same and so was velocity. I believe the load is low pressure, hence the reason for little change. Perhaps a hotter load would make the differences in brass obvious.

  8. #8

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    So I bought some Nosler Custom brass (.308) and thought I'd share the brass weights here. I weighed all 50 and they had a spred from 163.8 grains to 164.8 grains. The vast majority (about 90%) fell into the range of 164-164.4grain range. This, to me, seems very good. Good case capacity along with reliable weights. I was skeptical about the price considering I've been using winchester brass. With Nosler Custom I won't have to throw out any for weighing different and I don't have to do all the case prep work. So far it seems to be a good move. I'll post how they perform in load development in a report.

  9. #9
    Sonney's Avatar
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    What would it cost to load 100, 308 shells. Thinking about loading my own with the teaching from a friend and was wondering how much I would save in doing this. I will not be counting on the reloading equipment as it can be resold in the future with no problems. Good bullets and primer and power.

    Sonney

  10. #10
    Senior Member Deadshot2's Avatar
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    Quote Originally Posted by Sonney
    What would it cost to load 100, 308 shells. Thinking about loading my own with the teaching from a friend and was wondering how much I would save in doing this. I will not be counting on the reloading equipment as it can be resold in the future with no problems. Good bullets and primer and power.

    Sonney
    There are two basic costs. One if you have to buy the brass and the other if you are reloading existing brass.

    Let's assume you already have the brass that you saved from factory ammo you shot.

    A bullet costs around $0.35 each for a 175 gr Sierra Match King (SMK)

    Primers are close to a nickel each.

    Powder costs range from $0.15 to $0.20 per charge based on most commonly used powders for .308

    Using these prices for the components an average reload will cost you $0.60 per finished round.

    I used prices based on some recent "Retail" purchases I've made of 175 SMK's, Federal Primers, and either IMR 4064 or IMR 8208 XBR. When Supplies are plentiful I can buy powder in 8# jugs which drops the price down about a nickel per charge. I also buy bullets in boxes of 500, several boxes at a time, which also drops a nickel of the price of each bullet.

    In short the cost per loaded round will vary from $0.50 to $0.60 or so.

    Sure beats the $1.25 - $2.00 per round cost of new Fed GMM 175 gr new ammo.

    I haven't bought a box of new .308 for almost 8 years now, or for that matter, any other caliber. Perfectly happy to shoot 10k rounds of rifle and pistol ammo, all build to my spec's in my own "factory".


 

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