Medium Flat Rate .223 / 5.56 NATO Brass Processing Service (1,500+)




No reason to count or weigh out your .223/5.56 Brass for processing anymore. Fill a USPS Medium Flat Rate box & we will process it for a flat fee of $65.00. A USPS Medium Flat Rate box will hold 1,500 + .223/5.56 cases!  Please be sure to line box with bag & tape box well!

100% processing of 1,500 count .223/5.56 NATO customer supplied brass. Return shipping included! Price includes cleaning inside and out, polishing, depriming, swaging (crimp removed), full length sizing and trimming brass to correct length. Simply ship your brass to us and we will process and return ship for $65.00 per 1,500 + pieces of .223/5.56 NATO brass. If you have any questions please feel free to call us or e-mail

Effective 4-23-20 M&S Processed Brass isn’t responsible for “PROCESSING SERVICE” packages that have been lost or damaged upon RETURN shipping to customer.  USPS offers $50.00 insurance on all items.  You will now be able to purchase additional insurance with our processing service to better protect your package return.

If you choose NOT to purchase additional insurance, you will only be entitled to $50.00 claim from USPS, NOT M&S PROCESSED BRASS.



The brass you send us is the brass you receive back we don’t swap products!



NOTE: All orders go through the following process decapping, swage (crimp removed), sized, trimmed & wet media cleaned. All rifle brass is trimmed to SAAMI spec .223/5.56 (1.750″) & .308/7.62 (2.005″) anything under this will remain at present length. All additional brass preparation is up to end user.


Your packaged brass can be shipped to:

M&S Armament
Attn. Mario
P.O. Box 202
Clinton, IN 47842