Cheapest 10mm Auto Brass in Stock

Live unit-price comparison for 10mm auto brass across major reloading retailers. Listings refresh throughout the day; in-stock status reflects the most recent crawl. Sorted by price per ea.

22 in-stock listings8 retailers compared$16.99 – $159.95Updated Jul 29
  1. 1

    Armscor 10mm Auto Brass

    Arm or Ally10mm Auto
    $0.02/ea

    Arm or Ally

    $19.50 / 1000

  2. 2

    Processed 10mm – Small Primer

    Blue Ridge Brass10mm AutoOnce-Fired
    $0.03/ea

    Blue Ridge Brass

    $29.99 / 1000

  3. 3

    NEW STARLINE 10MM AUTO 200+

    Starline10mm AutoOnce-Fired
    $0.05/ea

    Diamond K Brass

    $50.00 / 1000

  4. 4

    10MM SMALL PRIMER 500+

    Diamond K Brass10mm AutoOnce-Fired
    $0.07/ea

    Diamond K Brass

    $69.50 / 1000

  5. 5

    Nickel Processed 10mm – Large Primer

    Blue Ridge Brass10mm AutoOnce-Fired
    $0.07/ea

    Blue Ridge Brass

    $75.00 / 1000

  6. 6

    10MM LARGE PRIMER PROCESSED 500+

    Diamond K Brass10mm AutoOnce-Fired
    $0.09/ea

    Diamond K Brass

    $89.00 / 1000

  7. 7

    Nosler 10mm Auto Brass

    Nosler10mm Auto
    $0.10/ea

    Raven Rocks Precision

    $99.00 / 1000

  8. 8

    NEW STARLINE 10MM AUTO 500+

    Starline10mm AutoOnce-Fired
    $0.13/ea

    Diamond K Brass

    $125.00 / 1000

  9. 9

    10mm Auto Bargain Bundle

    Raven Rocks Precision10mm Auto
    $0.16/ea

    Raven Rocks Precision

    $159.95 / 1000

  10. 10

    JAG 10mm Unprimed Brass with Norma Headstamp –

    Norma10mm AutoNew
    $0.20/ea

    Raven Rocks Precision

    $49.95 / 250

  11. 11

    Starline 10mm Auto Brass

    Starline10mm Auto
    $0.25/ea

    Brownells

    $24.99 / 100

  12. 12

    Starline Brass 10mm Auto Unprimed Bag of 100

    Starline10mm Auto
    $0.27/ea

    Graf & Sons

    $26.89 / 100

  13. 13

    STARLINE BRASS 10MM UNPRIMED NICKEL PER 100

    Starline10mm Auto
    $0.30/ea

    Graf & Sons

    $29.79 / 1000

  14. 14

    STARLINE, INC - 10MM MAGNUM BRASS

    Starline10mm Auto
    $0.33/ea

    Brownells

    $32.99 / 100

  15. 15

    Prvi Partizan Brass 10mm Auto Unprimed Bag of 50

    Prvi Partizan10mm Auto
    $0.34/ea

    Graf & Sons

    $16.99 / 50

Stock changes hourly.

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Common questions about 10mm auto brass

Where is the cheapest place to buy 10mm auto brass right now?
We refresh prices throughout the day and rank every in-stock listing by unit price. Today, in-stock prices range from $16.99 to $159.95 across the 8 retailers we track. The top-ranked listing on this page is the lowest unit price our crawl found in the most recent run.
How often is this price list updated?
Listings refresh on an hourly cadence. The "Updated" date in the trust strip above shows when the most recent listing was crawled. In-stock status reflects what each retailer's product page said at that moment — by the time you click through, an item that was in stock may be sold out, especially for high-demand calibers and primers.
Why are prices so different across retailers?
Pack size, lot size, and shipping policy create most of the variance. Hazmat fees on powder and primers can swing the effective per-unit cost by 30% or more depending on how many qualifying items you order together. The unit prices on this page already normalize for pack size, but always verify the pack size and shipping fees on the retailer's site before checkout.
Why is some 10mm auto brass out of stock?
Reloading components — especially primers and certain handgun powders — go through cyclical shortages driven by manufacturer scheduling, ATF transit rules, and election-year demand spikes. We don't surface listings that are out of stock here, but you can subscribe to the back-in-stock alert above and we'll email the moment something hits the shelves.
Do you sell 10mm auto brass directly?
No — Primers and Powder is an independent price-comparison tracker. We don't carry inventory and we aren't a retailer. Every listing on this page links to a third-party retailer where the actual transaction happens.