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SKU: 21DG 190/20

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190 gr. Mono-Metal FN @ 1,200fps / ME 607 ft-lbs
20 Round Box

ITEM 21DG 190

Friends, as of today’s date, (07-13-19) we are releasing our new 10MM Auto Dangerous Game load. It features the new Lehigh Defense 190 gr., flat nose, Mono-Metal bullet. This bullet was designed by me, with the help of Lehigh Defense. There are a number of dynamics I do not like (they are not simple) in developing the 10MM DG cartridge, with its very limited case capacity, versus seating a very long-for-weight, Mono-Metal bullet into that small casing, while keeping pressures down, but velocities up. In spite of the difficulties with these internal ballistics’ dynamics, we were able to design a very capable 10MM load that utilizes a bullet designed to never expand or deform on mammals and thus penetrate deeply in a straight line as it encounters big bones, muscle, and liquids, etc. The testing and design work took months as I wanted this load to be nothing but right, right, right!

We were able to engineer the use of a flash suppressed powder into this load. This is important as most wild critters come out as darkness approaches and if your own muzzle flash blinds you with the first shot, you’ve just created a huge problem for yourself and the others you may be protecting.

This new DG load will do anything our famed Item 21C will do, but with less smoke and with much cleaner burning, due to the hard cast bullet/lube used in Item 21C.  Our Item 21C and Item 21A have killed countless attacking/menacing grizzly and moose in AK. This new DG load will work the same way.

I hesitated to bring out a “Dangerous Game” load in 10MM as I do not see the 10MM cartridge as a truly dangerous game cartridge, but I do know it is a compromise cartridge for that purpose, (that comes in lightweight, high capacity, and small-sized pistols) that has been used many times, successfully for that purpose. We had so many requests and even pre-orders that we decided to bring this load to the public. Lehigh Defense was patient and helpful in making many samples for my testing, at no charge. We now have a very impressive 10MM DG load.

Below, you’ll find our test velocities, fired from real-world pistols, NOT LABORATORY TEST BARRELS!

➤ 1,258 fps -- Custom 1911 Long Slide -- 6-inch
➤ 1,213 fps -- Custom 1911 -- 5-inch
➤ 1,172 fps -- Glock model 40 -- 6-inch
➤ 1,106 fps -- Colt Delta Elite circa 1987 -- 5-inch
➤ 1,111 fps -- Glock model 20 -- 4.6-inch

 After much load development testing with the 10MM cartridge over the last 35 years, I very much see why folks like it as an outdoors protection cartridge… polymer-framed pistols are lightweight, high capacity, accurate and affordable and if the ammo is designed properly, a very deep-penetrating bullet can be used that will break large bones and destroy the internal organs hidden behind those bones. Even though I know this cartridge has been used successfully to stop many large animal (grizzly and moose) attacks, I feel you are walking on thin ice using it as such, so please practice, practice, practice at moving targets and in low light, so you’ll be prepared should that need ever arise. Please read this article:


Remember that it is the human threat you’ll find around trailheads or public camping and fishing areas that are more dangerous than the human habituated bear. This load will kill humans too, but if you have to shoot a human miscreant in order to protect others, be cognizant that this bullet will go through several humans with one shot if you lined them up correctly, so be careful of the over-penetration issue, should you choose to shoot humans. While we are on this subject, this load would be good for penetrating soft barriers such as stick frame walls, wooden doors, windshields, sofas or many other items a bad guy may have taken cover behind.

This ammo was designed for humans to protect humans. Use with discretion and precision and go into the great wilds with confidence. Good shooting, and God bless.

Tim Sundles

Item 21DG 190 - Exterior Ballistics Charts for several Muzzle Velocities


Muzzle Velocity @ 1500 fps for Item 21DG 190


Muzzle Velocity @ 1400 fps for Item 21DG 190


Muzzle Velocity @ 1300 fps for Item 21DG 190


Muzzle Velocity @ 1200 fps for Item 21DG 190



Muzzle Velocity @ 1100 fps for Item 21DG 190



Muzzle Velocity @ 1000 fps for Item 21DG 190



Muzzle Velocity @ 900 fps for Item 21DG 190


Field Proven pistol and handgun ammo. Maximum firepower ammo. Best ammunition for pistols and handguns for sale. Buffalo Bore. Strictly big bore. Strictly Business.

You must be 18 or older to order ammunition. Ammunition must ship UPS ground. Due to Department of Transportation regulations, we cannot accept returns on Ammunition. Make sure to use the correct ammunition in your gun. Check local laws before ordering.


Gary on 03/18/2022 11:38am
I%u2019ve used Buffalo Bore ammo in my 10Mm 45LC & 454 Casull For the price you pay vs the value of your life Their ammo is the best I%u2019ve ever used & im willing to pay a bit more for the stopping power & accuracy
G OBrien on 05/25/2021 07:51am
Terry Pike on 11/01/2019 08:52am
My brother and I both have Glock 40 MOS. We use 24lb NDZ springs- also tried to 22lb NDZ springs. Both springs performed rapid-fire with this ammo PERFECTY!! We both shot soooo slightly better with the 24lb spring. We also shot 220 Hard Cast rapidly with both springs and everything worked flawlessly.

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Friends and Customers, 08-18-20


All shooters are being inconvenienced with what is happening to our society and the rush it is causing on ammo supplies. We have LOTS of ammo in stock and are making more at a huge volume on a daily basis. If our web site allows you to order any item, that means it is in stock—WE DO NOT TAKE ORDERS FOR ITEMS WE DO NOT HAVE! So, please do not email and ask if items are in stock. If they aren’t, the shopping cart will not take your order.

We have hundreds of customers to get orders to on a daily basis. In order for us to accomplish this for our customers, we ask the following.

  1. Be sure of what you are ordering. You are going to get what you ordered.

  2. Do not contact us and ask to change an order you’ve already placed. When we manually change orders it requires a lot of time that we do not have during this rush and it keeps us from serving all of our customers. If you’d like to change an order, we can no longer do that till things slow down, so simply place another order for more product, but PLEASE, NO MORE CHANGES after the fact!

  3. We NEVER have and never will take ammo exchanges or returns and then turn around and re-sale that ammo to unsuspecting customers as factory new ammo—this is not safe nor is it fair to customers who are buying what they think is new and safe ammo. No ammo is tamper proof! So please stop asking to exchange or get a refund for ammo you ordered, but have changed your mind about.

  4. Please do not contact us and ask for tracking numbers or “when will my ammo ship”? Our system automatically emails out tracking numbers on the orders we ship each day, however, because these emails are coming from a corporation shopping cart, many of these emails may go to your spam folder……..please look there. If it is not in your spam folder, that means we have not yet shipped. At current order rates, we are shipping within 5-7 business days of the time an internet order is placed. Please sit tight. Your ammo will arrive at the same time if you track it or not and will certainly arrive later if we are swamped answering questions instead of getting orders shipped. When 30-50 people per day send emails asking for tracking information and we have to pull that information up, then type it out and email it, it takes a huge portion of our work day that we should be using to ship those orders to customers in need. Please leave us alone so we can serve all of you. (ship to you) It’s a bit selfish, during times of shortages, when so many folks need to protect their families, to slow us down because you ordered carelessly or want to change your order. Right now, we expect you to do your part to help us all get the ammo we need in our troubled country.

These measures are hopefully temporary and will not be needed for long as we enjoy the interaction with our customers, so please, for the time being, be mindful of all those others who are also trying to get ammo during what I think is a societal meltdown/emergency. Hopefully, we can serve you all. We want you and your families to be armed and safe and we wish you the best during these trying times. My biggest concern is that things will worsen yet more, for a while. Until things straighten out in our government and society, we will have to streamline our customer service in order to serve all customers. Thank you for your understanding.

Good shooting and God bless,

Tim Sundles

I Understand