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Been using Diamond for a while now and if any problem call Tammy and she makes it right, or just call and say Hi. Great people to deal with. Have ordered from 22TCM up to the 458 Win Mag and all the pistol brass in between., never a problem, thanks Diamond and Tammy

Great brass at great prices. I have ordered both pistol, and rifle brass and usually receive 15-20 additional cases with each order. brass is high quality with no more than 2 cases that are rejected. I highly recommend Diamond K when purchasing brass.

Quick shipping, and just as the ad described. Super co. to buy from. Will use again.

Placed order last Friday (12/30/16) arrived today (1/2/17) Priority USPS (and today is supposed to be the observed Federal Holiday). Now THAT is Outstanding Service!

I received my first shipment of brass from you all. Arrived ontime and packaging was great. Brass was in great condition and appeared to have been polished already! Thank you! We will be purchasing from you all again!

Don't blame Diamond K! My first order from DK was for tough to find 6.8 SPC brass. Didn't come, didn't come...got just a little worried, but my gut told me it wasn't DK's doing. It wasn't! USPS 2 day priority took 9 days (I tracked it after I received it when I acquired their tracking number) The folks at DK were first class and the fired brass, plus a few extras, met my expectations. And, they appreciate veterans! Thank you...

Great looking brass! Quality was much better than anticipated. Will certainly be buying again.

I have ordered 4or5 times. Shipping has been
supper fast. The count has always been more
than ordered. I have never had to discard any.
I recommend Diamond K to all in my area.
Keep up the great work
Ron
8-3-2017

I called Diamond K and left a message about their 10mm auto brass , I also left a text message inquiring about manufacter test brass . I was surprised how quickly both questions were answered . Tammy was the one who handled both questions ,she actually cared about want my concerns were and took the time to get an asnwer for me . the best compliment a company came get is to be told there customer service is great ,so here it is Diamond K Brass your customer service is outstanding Thanks John

This was my first order with Diamond K Brass...55 45 ACP, LP...Great service, Fast Shipping...Got 9 more then I ordered..Only threw 3 out...I will be buying ALL of my brass from you...