300 AAC Blackout Re-Formed Brass

82 Reviews
4.93 out of 5

From: $85

Out of stock
300 AAC / Blackout Brass - Reformed from Once-Fired Brass
300aac bulk fully processed brass

300 AAC Blackout Re-Formed Brass

82 Reviews
4.93 out of 5
4.93 out of 5 based on 82 customer ratings
(82 customer reviews)

From: $85

Our 300 Blackout cases are reformed from Government contracted NATO cases.

The majority is Lake City head stamped, however there are TAA, WCC and FC in the mix.

All these head stamps are known to work very well with 300 Blackout.

Our primer pockets are reamed and you will never have to deal with crimps again. NO Crimp, NO Drama

Clear selection

Enjoy factory grade 300 AAC Blackout Re-Formed brass shells for your reloading needs.

All our reconditioned brass cases adhere to industry standards, are within SAAMI Specs and preferred by many ammunition manufacturers in the United States.

WE NEVER USE BLANKS TO REFORM 300 AAC Blackout

Our cases are first machine sorted to remove wrong calibers, rocks & dirt. After the initial sort, all cases go through a pre-wash.

After the pre-wash, all cases are hand inspected and only the best ones are chosen to re-form to 300 AAC.

Steps taken to re-form 300 AAC Blackout brass shells:

  • Roll sized to original SAAMI specs
  • Full length sized with a Carbide Die
  • Pressure checked for cracks
  • De-primed
  • Primer pockets are reamed to remove all primer crimp
  • Formed
  • Trimmed to 1.355 +/- 0.002
  • Case mouth expanded to correct diameter
  • Washed to a new look
  • Instantly dried for a spotless shine
  • Hand inspected and quality controlled
  • Annealing is optional

Our brass cases are 100% loadable and will chamber and cycle your gun perfectly.

We always add one extra case per 100!

82 reviews for 300 AAC Blackout Re-Formed Brass

  1. Albert I
    5 out of 5

    :

    8/13/14
    Great Quality Brass! I really put these guys to the test. Ordered 5000 cases. They look like new brass. I am very impressed! I cant wait to try some. I will update my review as soon as i do.

  2. Luis Perez
    5 out of 5

    (verified owner):

    Received my brass yesterday. One word = beautiful.
    Super clean and tight tolerances in trim. You will have my business again. Thank you!

  3. Elliott D
    5 out of 5

    (verified owner):

    Brass is clean and shiny. No bad cases found. Excellent customer service.

  4. Jerry
    5 out of 5

    (verified owner):

    I ordered 1000 cases and they arrived very quickly. The brass is very good. I have already reloaded a few rounds. I will definitely order from them again.

  5. Richard B
    5 out of 5

    (verified owner):

    Good looking brass – great customer service.

  6. Bryan S.
    5 out of 5

    (verified owner):

    Excellent brass!! I’ll leave all the extra work to East Coast Arsenal. It looked like new brass when I received and and new loaded ammo when I was done. Thanks for saving me a lot of time.

  7. bpcobian
    5 out of 5

    (verified owner):

    Great quality brass very clean, shipping was very fast. Would definitely buy again.

  8. Dan
    5 out of 5

    (verified owner):

    Brass looks great. Haven’t loaded it yet, but looks to be all within spec, cleaned and ready to go

  9. Rick
    4 out of 5

    (verified owner):

    Fast processing & shipping of my first time order of 1K.. Finish is like new brass, trim lengths are as advertised. Checked casings with EGW & SHERIDAN gauges and found I needed to resize before loading, not an issue to prevent future orders. Pricing is the best I’ve found to date.

  10. Robert
    5 out of 5

    (verified owner):

    My initial impression of both the business and brass is excellent. Great price, very good communication from the staff, fast shipping and great looking brass. Waiting to finish .40 on my 650XL before setting up for this but will update when I get to loading.

  11. rkegris
    5 out of 5

    (verified owner):

    Brass arrived fast, two days after ordering. The brass is sized correctly and is highly polished. Primer pockets look great as do the interior of the cases. Will be buying again in the very near future!

  12. TN Reloading Guy
    5 out of 5

    (verified owner):

    I am sold on East Coast Arsenal brass after receiving my first package of 300 blackout brass. My first order of this particular item was for a thousand casings and man was it worth it. The casings look like they are brand new and are ready to go right out of the box. I will definitely be ordering from these guys again.

  13. Joel
    5 out of 5

    (verified owner):

    I bought a thousand of these because I was sick of converting my 556 brass. With my press and hand reamers it would take me 2 hrs to get 100 cases trimmed and prepped to the standards I wanted.

    I got these, and was amazed. very consistent! The brass is clean, inside and out. If it wasn’t for some slight stains in the primer pockets you would think these were new manufacture. Best of all, the factory crimp pockets are swaged, which a lot of companies don’t do a very good job on(and can take forever to do by hand with my homemade equipment). I will definitely order again once I purchase more powder and primers.

    If I was forced to say anything negative I would say that a small percentage of mine had some slightly dented necks, but they weren’t bad enough to keep me from seating a new bullet. Still deserving of a high rating.

  14. John
    5 out of 5

    (verified owner):

    Nice brass. Good price. Fast shipping. Measures good. Cant wait to buy more

  15. H.D.
    5 out of 5

    (verified owner):

    Great customer service. Brass is amazingly clean.

  16. Jeff
    5 out of 5

    (verified owner):

    Excellent quality brass, only needed to swage a handful.

  17. Rick
    5 out of 5

    (verified owner):

    Updating my previous review now that I’ve used the brass. Did up a batch using AA5744 powder, WSR primers and Hornady VMax bullets. EXCELLENT performance, no issues in functioning or operation, definitely ordering more and recommending to my circle of shooters. Again, fast processing and shipping and BEST prices!

  18. Jerry
    5 out of 5

    (verified owner):

    I received my second order of 300 Blackout brass. Just like the first order it is great looking brass and the shipping is very fast. I’ve loaded and shot this brass and found it all to be top quality. I’ll be back for more.

  19. colsanders
    5 out of 5

    (verified owner):

    Great purchase. Quality brass very easy priming. Fast delivery

  20. Walter Christensen
    5 out of 5

    (verified owner):

    Ordered brass for my 300 Blackout. Great customer service. The brass looks brand new and is perfectly modified. I reload for all calibers and will definitely be using EastCoast for my bussiness!

  21. wriedt
    5 out of 5

    (verified owner):

    Great looking brass, and uniformed to specs. I can’t wait to take them to the range and test them out.

  22. Shawn Rogers
    5 out of 5

    (verified owner):

    Super fast shipping! Will definitely buy from again…

  23. Justin Ford
    5 out of 5

    (verified owner):

    Excellent brass at a great price–I couldn’t be happier!

  24. Kevin Lechner
    5 out of 5

    (verified owner):

    I received my order today…. I truly appreciate you going above and beyond what most companies wouldn’t do by including an additional 250 pieces just because I had to wait a little while longer than expected. Customer service sets companies apart, and your company stands on top. The 300 BLK brass is high quality at a great price and functions perfectly.

  25. Brett childs
    5 out of 5

    (verified owner):

    Great company !!! Placed an order and there was a computer glitch that made me wait 2 weeks and for my wait they threw in an extra 250 brass no charge. Received my order and it is A+++ Brass …will definately be a repeat customnoer

  26. Mike O.
    5 out of 5

    (verified owner):

    Ordered 500 pieces of 300 Blkout brass and am quite impressed with the quality and fast delivery. Although I it is mixed head stampings the brass is of very good quality. I would not hesitate to recommend this company to others. Bravo Zulu!

  27. rjtomaselli
    5 out of 5

    (verified owner):

    After receiving my first order and being amazed at what came in the box, it no longer makes sense to process brass myself. I will be ordering all my brass from ECA from now on.

  28. jojulog
    5 out of 5

    (verified owner):

    This brass is cleaned to like new appearance. The case lengths are consistent and correct. The shoulder is set correctly. Good as I could do myself, or better.

  29. Jeffrey Mitchel
    5 out of 5

    (verified owner):

    Brass is perfect. If you value your time at all, you will just bite the bullet and get 1k of these. Not having to convert 223 brass, no swaging, no trimming, no nothing is priceless. Prime, charge, seat, shoot.

  30. fuatos
    5 out of 5

    (verified owner):

    Very nice brass. Perfectly formed and CLEAN! Shipping was very fast. I will be purchasing more. Thank you!

  31. brian Ennis
    5 out of 5

    (verified owner):

    Cleaned to like new condition, uniform length and sizing. A few cases needed their primer pockets “opened up” in order to seat new primers (CCI). I’m very impressed with East Coast Arsenal and my purchase! I will definitely be a return buyer.

  32. cohen
    4 out of 5

    (verified owner):

    BOTTOM LINE: 4.5 STARS…SOME QUALITY CONTROL ISSUES, BUT WOULD REORDER. Please read for further details.

    ALL-IN-ALL, I think the quality fair, but for the price it is worth overlooking these issues. They will fire fine, but if I am going to pay extra for “A” graded brass and all Lake City brass, that is what I would expect to receive.

    Just make sure that you inspect every piece of brass, which is what you should do anyway if you are reloading.

    Here is my summary:

    I ordered the 1000 Lake City pack (not the “B” brass) and got 1003 cases. Here is how they broke out:

    LC03 = 4
    LC04 = 1
    LC05 = 147
    LC06 = 9
    LC07 = 56
    LC08 = 4
    LC09 = 4
    LC10 = 434
    LC11 = 201
    LC12 = 1
    LC13 = 125
    TAA07 = 9
    CBC06 = 3
    PSD06 = 3
    MKE13 = 1
    WCC07 = 1

    I measured 100 cases and they fell between 1.3555″ and 1.3605″, with over 60% of them being within 0.0020″ of 1.3575″. All of them fell within the minimum 1.350″ and maximum 1.368″ according to SAAMI specifications.

    I was kind of disappointed that 17 brass were not Lake City. Nearly 2% may not seem like much, but I am a perfectionist and if I make a 2% error in my line of work, structures fail and people die.

    There were some other indications that there are issues with QC.
    –2 cases had metal shavings embedded in the flash hole (probably from swaging)
    –3 had the flash hole blocked by debris (not sure it was cleaning media or something like range dirt).
    –14 had severe extraction marks (mostly cosmetic, but I paid more for non-“B” cases).
    –33 had other cosmetic marks, scratches, and dings that should be “B”.
    –47 had to be swaged (or re-swaged if it had been done)
    –Almost all cases needed their primer pockets cleaned (how I discovered the aforementioned swage issue).

    Overall, it’s a good value and I would buy again.

  33. Anthony
    5 out of 5

    (verified owner):

    Very good batch of brass. Same as others have said; some primer pockets had debris in them but that is no different than my own reloads after trimming, deburing, or tumbling.

  34. Jason Stolkner
    5 out of 5

    (verified owner):

    Fast delivery, high quality brass. Will be buying more soon.

  35. Bob Chieppa
    4 out of 5

    (verified owner):

    I have to say I am impressed so far with the experience and the quality of the brass. I haven’t reloaded it yet, but so far the experience has been AWESOME. Fast shipping and so far quality product!

  36. Kyle Thach
    5 out of 5

    (verified owner):

    Reloaded straight out of the box immediately after they arrived. I used Speer TNT 125 grain and 19 grains of h110. They shoot great with no failures so far (100 rds). Highly recommend and will reorder. Thanks.

  37. Wesley
    5 out of 5

    (verified owner):

    Shipped in a reasonable time frame. The brass was clean and within spec.

  38. milbullrdr
    5 out of 5

    (verified owner):

    Excellent product that was well within specs. Extremely clean and properly prepped for immediate use. Highly recommend this company as they delivered a great product quickly and for a great price. They will get my business again.

  39. Terrance Dosch
    5 out of 5

    (verified owner):

    Just received my first order of 500 rds of 300 AAC Blackout reformed Lake City Brass. The brass superceded my expectations. It looks like new brass. Initial inspection denotes very high attention to quality. As has been repeatedly mentioned, delivery was really fast. Shipment was well packaged. Great value to boot!

  40. Isaac
    4 out of 5

    (verified owner):

    Haven’t shot the brass yet but on first inspection of the cases, they were every clean except for the primer pockets. Those were really dirty but the rest of the brass is really clean. I seated primers in 5 cases and they went in very nice. Neck tension is right and overall length was right around 1.360. If the primer pockets were clean, I would have given 5 stars. Good product for the money though. I’ll report back after I’ve shot with these.

  41. Jack
    5 out of 5

    (verified owner):

    Just received my order of 1000, 300ACC and was very surprised. All the brass looked great, have yet to load any. Will add more when I have shot a few hundred.

  42. stace r
    5 out of 5

    (verified owner):

    Just received 250 in the mail today. Overall great quality and nice looking brass. There was one with a bent up mouth/shoulder which likely happened while shipping, the box was pretty beat up when it got to me. I will definitely be buying more, the value delivered by this company is unbeatable.

  43. Travis
    5 out of 5

    (verified owner):

    This is a big time saver vs making your own from 5.56. Its about twice the cost but the hours that would be spent cleaning, cutting, resizing, is well worth the extra $. The brass looks good overall but haven’t loaded any yet. Got a 4 day weekend coming up and going to try a few different loads with the brass. I will let you know how it goes, but I think it should go great!

  44. Brent P.
    5 out of 5

    (verified owner):

    Ordered 1000/300 Blackout brass converted from LC. The shipping was fast, taking only a week from east coast to west coast. The package was a little beat up, and a small hole in corner of box. (nothing that a little more shipping tape should solve).
    As far as the brass, it is as advertised!! I use a Sheridan ammo gauge to check cases, and these cases check out to SAAMI specs. I have not found any other cases that are any better, even new cases. I also checked the primer pockets, and they have the crimp removed as advertised.

    If I need any more cases, I will be purchasing from East Coast Arsenal.I have cut down my (5.56mm/223) cases myself, but for all that work, I find it more of an advantage to just order them here!!

  45. mwelch
    5 out of 5

    (verified owner):

    This is excellent brass, precisely sized and looked brand new. Good pricing and fast shipping to boot. Will definitely order here again.

  46. 5andersons
    5 out of 5

    (verified owner):

    Brass was clean with no dents. Nice to get what you pay for. Well done!

  47. andysmalt
    5 out of 5

    (verified owner):

    Very nice 300 blackout brass made from .223
    really clean ready to load. Will be buying more. Great deal. Primer pockets needed to be cleaned a little, but still very good deal.

  48. Jeff Carnes
    4 out of 5

    (verified owner):

    I received brass very quickly, the postman was pretty rough on the box had lots of dinged up case mouths was kind of bummed about that but not east coast arsenal’s fault on that. I found quite a few that i could not press in primers had to reswage those then primers went in fine. Over all very good product wish the primer pockets were cleaner but overall happy.

  49. timothy stanke
    5 out of 5

    (verified owner):

    Good brass from what I have saw so far, a lot of the other reviews describe it to a tee. Some cases are a considerable amount longer than others, but all Fall into the SAAMI specs. none are under 1.355 range. I never checked the cases to see if they fit into my Sheridan gauge right out of the box, I sized them all first, these were the “B” grade cases however, and after running them through my die they all loaded perfect. To add to this, I saw maybe a total of four cases out of 500 that had any real noticeable blemishes on them. Very good brass for “B” Grade. I received my order of select brass just today and these look and measure great. I don’t see how anyone can go wrong for the price of this brass, anybody that has priced 300 blackout ammo will know what I’m talking about. This brass allows someone to reload and shoot a 300 blkout at a fraction of the cost of store bought ammo. I will continue to buy more from this company.

    Great job guys!

    Tim S.

  50. bigdog287
    4 out of 5

    (verified owner):

    bought and received on february 23 rd brass looks good looking forward to reloading and see how it goes will comment at later date

  51. Chad
    5 out of 5

    (verified owner):

    Excellent product. Clean brass, properly sized, and saves tons of time over converting your own 5.56 brass. Will order again soon.

  52. David
    5 out of 5

    (verified owner):

    Order processed and shipped expediently and upon arrival was in great shape. Surpassed my expectations at this price point.

  53. Martin
    5 out of 5

    (verified owner):

    Brass looks new. I went with the lake city 300blk cases. Great product, shipped FAST! I’ll definitely use East Coast again. Highly recommended.

  54. Bruce
    5 out of 5

    (verified owner):

    Great brass !! very clean and easy to load. Shipping is the best, very quick
    I will use East coast arsenal again for my reloading needs.

  55. paul
    5 out of 5

    (verified owner):

    this is some great looking brass. great service and fast shipping. these guys can expect more orders from me in the future.

  56. Jonathan
    5 out of 5

    (verified owner):

    Shipped very fast! Brass looks beautiful and falls within specs. Little bit of edge left from trimming, but not enough to justify deburring. Who could ask for more? I will be placing another order soon.

  57. Scott Keffeler
    5 out of 5

    (verified owner):

    1000rounds and this brass is extremely clean, true to form, and ready to reload. I have not found any issues with the stuff I have loaded so far and imagine I wont with the rest. If you want ready to reload brass with no prepping this is the place to order from.

  58. John J
    5 out of 5

    (verified owner):

    300 Blackout Brass – Great product / quality, great price, great customer service and delivery. Anyone who has reformed 223 brass into 300 Blackout brass knows the amount of work that goes into it and can see what a great deal this is and how much time it will save them.

  59. Hunter
    5 out of 5

    (verified owner):

    Great looking brass, spot checked some and they maintained the specification for blackout brass. I can stop shopping around because this is the source for blackout brass. Hopefully they will offer brass bullet combinations.

  60. James
    5 out of 5

    (verified owner):

    Very good brass. Very clean and loads like new brass. Truely ready to load right out of the box. Will buy again

  61. dustinball
    5 out of 5

    (verified owner):

    The Brass Looks Great.

  62. Andysmalt
    5 out of 5

    (verified owner):

    Ordered 1,000 of the all lake city brass, much better than the grade B. Worth the extra $20 to me

  63. Craig
    5 out of 5

    (verified owner):

    Excellent quality. On top of that the packaging was excellent. Mine was shipped to the west coast and as expected the corners of the box were pretty well rounded off by the time I received it. However, they used fiber reinforced tape to seal the box and it remained intact. No rips or holes in the box. Great job!

  64. Bob
    5 out of 5

    (verified owner):

    Excellent brass and arrived exactly as described. Very fast shipping. Will order again!

  65. James Jepson
    5 out of 5

    :

    Excellent brass. I had a few pieces I had to swagged the primer crimp a little more ,be because I’m using magnum primers. Very happy like that I can get it annealed for a few bucks..Good job ECA

  66. James R.
    5 out of 5

    (verified owner):

    Brass looks nice and clean. I would love to give you a review after I have loaded and fired them

  67. L.Richey
    5 out of 5

    (verified owner):

    Received my brass quickly. Impressed with the look of the 300 blackout brass. Have not reloaded yet but will give a report when we get a chance to do it. Thanks for the great service. Richey

  68. Jimmy Su
    5 out of 5

    (verified owner):

    Brass shipped extremely fast. I bought 2,000 rounds. Most of the “discount” 300 blackout brass was sold out. I paid extra for LC only Headstamp. Still worth it as they were cheaper than other competitors at just under $130ish per 1,000. Quality is fantastic. It’s hard to tell it’s even been trimmed. No deburr or chamfer, but the brass could be loaded as-is (Lapua brass comes like this also).

    Compared to another manufacturer of 300 blackout brass I actually paid 25% more for 6 months ago this brass is great. Buy with confidence!

  69. mike
    5 out of 5

    (verified owner):

    bought 2000, had really swell luck with the first 500, shared some with my friends, and we will all be back for more! Get Some!!

  70. Mark
    5 out of 5

    :

    I just got 100 of this brass from my buddy and it was so nice I decided to come and get 1000 more.

  71. Jason
    5 out of 5

    (verified owner):

    This is really nice brass at a good price. This brass is clean and looks brand new. The brass loads easy and the shipping was lightning fast with priority mail. East coast arsenal will be my first choice when looking for brass.

  72. David
    5 out of 5

    (verified owner):

    Brass shipped out FAST!!!
    Very happy with the quality of the brass and the speed of shipping.

    Good choice for economical 300 blackout brass.

  73. Greg M
    5 out of 5

    :

    Had a few issues with shipping and damaged brass. Eastcoast was right ontop of it and fixed the issue within 24 hours.

    Very happy with my purchase.

  74. richard n
    5 out of 5

    (verified owner):

    Quality of brass is outstanding ! Looked like new , Will definitely order again.

  75. L. Richey
    5 out of 5

    (verified owner):

    Finally got around to loading some of the A class .300 blackout. Seems to be really good Brass. Have purchased some of their .223 bullet and was very pleased with them. Will be ordering again. richey

  76. Philip
    5 out of 5

    (verified owner):

    Very high quality cases. All the ones I checked were within .001″ of the stated length, and all chambered without a problem. Perfectly polished and shiny too!

  77. jtk2654
    5 out of 5

    (verified owner):

    fast shipping. good price . nice and clean and sized nice. all necks annealed as ordered. primer pockets need cleaning as I reload. lengths good but all necks need deburring. I dont like inside or outside burrs when I reload. very good quaility for the price and saves a lot of work over cutting 5.56 cases and resizing myself. I would reccomend to anyone and will be reordering in the future.

  78. Thomas
    5 out of 5

    (verified owner):

    Very happy with this brass, nice and clean,easy to load, feeds great. Liked it so well I ordered another 1000 cases.

  79. Drew
    5 out of 5

    (verified owner):

    As always, top brass at a great can’t be beat price. I only order the Lake City brass and use CCI 41 military primers. Prime fairly easy and shoot very nice, out of 4,000 cases ordered, I have shot 500 and only found 2 cases that have gotten stuck in the chamber and took a little elbow grease to get out. I have a very tight chamber on my 300 blackout and the cases are awesome and ready to load upon arrival. Will be ordering more.

  80. Patrick McGinnis
    5 out of 5

    (verified owner):

    Fast service and great customer service. Had a couple of questions after the order was placed, used the online contact form and had my answers very quickly. The product is as advertised- clean, sized and ready to load.

  81. Michael
    5 out of 5

    (verified owner):

    Amazing quality much better then I expected for the amazing price, I will always buy here only!

  82. rfalkner
    5 out of 5

    (verified owner):

    Ordered the annealed option. Brass is beautiful, consistent, and ready to load. Will buy more.

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300 AAC / Blackout Brass - Reformed from Once-Fired Brass

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