Best 10mm ammo for bears

Barnes Vor-TX - Best Overall. Winchester Deer Season Copper Impact - Best for Deer Hunting. Hornady CX - Best for Elk. Federal Premium Trophy Copper - Best for bear. Nosler Ballistic Tip - Best for Varmints. Fiocchi Golden Waterfowl 1-⅜ oz. #2 Shellshot - Best for Waterfowl.

Here’s a look at eight of the best bear handguns, from least expensive to most expensive. 1. Smith & Wesson M&P M2.0 10mm. The Smith & Wesson M&P 10mm is a polymer-frame, striker-fired semiauto that offers 15+1 capacity. This striker-fired, polymer-frame pistol comes with a 15-round magazine and a slide that’s cut for optics.The Glock G20 Gen 5 MOS Loaded for Bear. With the expanded market of 10mm pistols, the options for good 10mm ammo have increased tenfold or more. In this 10mm renaissance, the most popular type of ammunition for bear defense has been hot-loaded, heavy, hard-cast bullets loaded by boutique companies like Buffalo Bore. Personally, I prefer loads ...POWW: Get the latest AMMO stock price and detailed information including POWW news, historical charts and realtime prices. Indices Commodities Currencies StocksMay 11, 2019 ... Why 10mm beats 454 Casull for Alaskan Bears · Comments545.Key Takeaways: When choosing the best 10mm ammo, consider factors such as bullet weight, purpose, and budget. Top picks for 10mm ammo include Federal HST for self-defense, Buffalo Bore Hardcast Outdoorsman for bear defense, and Hornady Critical Duty for versatile use.

1) Handmade Rifle. Handmade rifle uses .308 round ammo and can inflict great damage (Image via Bethesda Game Studios) Many players consider the …SKU: 242. UPC: 816874020842. Details. Technical & Ballistics Specs. Underwood Ammo’s hard cast featuring a new “Black Cherry” coating. Equipped with new enhancements from our previous Hi-Tek coating. Our “Black Cherry” coating is a polymer-based compound; its thermal stability allows it to handle more than any other coating today.Build-A-Bear Workshop News: This is the News-site for the company Build-A-Bear Workshop on Markets Insider Indices Commodities Currencies StocksDisclaimer: We were at a safe shooting range in a controlled environment. Do not do this at home. We are not advocating that you buy one of these ammunition ... Heavy 10MM Ammo. 180 gr. Jacketed Hollow Point - (1,350 fps/M.E. 728 ft. lbs.) 20 Round Box. ITEM 21B. The Buffalo Bore Heavy 10MM ammo results from many years of customers' requests that we produce several such loads for the 10MM. These loads bring out the full potential of the 10MM but operate at standard pressures and are safe to use in any ... BULK 10mm AMMO SHIPS FREE AT AMMOMAN.COM! Introduced in the early 1980's, 10mm ammo was originally designed for use with the Bren-Ten pistol. A power-charged caliber, 10mm rounds typically travel between 1,300 and 1,600 feet per second from the pistol barrel. The 10mm caliber was used briefly by the Federal Bureau of Investigation …500 Smith & Wesson: The Best Handgun Caliber For Hunting Elephants Between 6,000 and 12,000 Pounds. This .500 Smith & Wesson load from Buffalo Bore can generate over 1 ton of muzzle energy ...Oct 27, 2019 · Number 1 for any load you pick make sure its 100% reliable. The 10mm lends itself wonderfully to handloading. 12.8g AA9 and a 220g Ackerman WFN cast bullet runs 1290fps from a 5" 1911 and 1330fps from a 7" kkm barrel g40 and have been impressive on 2-300lb pigs.

Without question there’s been a major shift from the .44 Remington Magnum and other fire-belching revolvers toward semiautos chambered in 10mm Auto for those …The truth of the matter is that 357 Magnum is suitable for bear defense against the right type of bear, but only when the right loads are used. This article is meant to look at what I’d consider to be the best 357 ammo for bear defense. Generally speaking, while 357 Magnum would be better than a pointy stick for bigger bear like grizzly, I’d …Oct 27, 2019 · Number 1 for any load you pick make sure its 100% reliable. The 10mm lends itself wonderfully to handloading. 12.8g AA9 and a 220g Ackerman WFN cast bullet runs 1290fps from a 5" 1911 and 1330fps from a 7" kkm barrel g40 and have been impressive on 2-300lb pigs. Almost any center fire cartridge of 357 bore or larger with a very hard, non-expanding, flat-nosed bullet will pierce a bear's skull with direct /frontal (between the eyes) hits. From the side angle, shoot them right at the bottom of the ear canal. These two shots are instant death if you are using the correct ammo.

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Can you name 10 innovations that led to the modern bullets we use today? HowStuffWorks can walk you through 10 innovations that led to modern ammo. Advertisement When people talk a...Feb 16, 2024 · Properly loaded 10mm rounds can provide sufficient power and penetration for bear defense. 3. What is the most recommended 10mm ammo for bear defense? Commonly recommended 10mm ammo for bear defense includes FMJ or hard-cast bullets from reputable manufacturers such as Buffalo Bore, Underwood Ammo, or DoubleTap. 4. Best 10mm Ammo for Bear Defense to Be Confident and Safe ammo.com Open. Locked post. ... Top 86% Rank by size . More posts you may like r/ammodotcom. r/ammodotcom ... Members Online. Best 9mm Home Defense Ammo: Protecting You & Your Loved Ones ammo upvote r/ammodotcom. r/ammodotcom. We believe arming our fellow Americans …Apr 5, 2023 · Top 10mm Loads For Bear Defense. Underwood 10mm Ammo 200 Grain Hard Cast – Best Overall. Sellier & Bellot 180gr FMJ – Best Budget. Barnes VOR-TX 155gr XPB – Best Hollowpoint. Blazer Brass 180gr FMJ – Best Bulk. The 10mm has problems, and in their opinion, the .45 ACP solves them. Not so fast. Nominal specs for standard pressure .45 ACP are a 230 grain bullet at 830 – 850 fps with 350 – 370 ft-lbs. muzzle energy. .45 ACP+P ramps the velocity up to 910 – 1000 fps (420 – 511 ft-lbs.) based on various manufacturers’ claims.Long, drawn out bear markets may be rather for the indexes, but for individual stocks? Not so....M Someone asked on Monday if long, drawn out bear markets are now going to be a thi...

However, this option shoots the same diameter bullets as the popular 9mm Luger. The .380 ACP is sometimes called the 9mm Short or 9mm Kurtz. While the .380 ACP packs significantly more punch than the .22 LR, it is …Underwood Ammo offers the most comprehensive and innovative Underwood Ammo™ Supersonic Handgun Ammo for personal defense & hunting. Shop now 10mm Auto Lead ammo with Hi-Tek Coated Hard Cast. www.underwoodammo.com. “Long Live the Republic, God Bless America”. Greywood, LElliott, SJ 40 and 1 other person. Share.Jan 31, 2024 · BEST 10MM AMMO. Federal Premium American Eagle 10mm Auto 180 Grain FMJ. Remington UMC 10mm Auto 180-grain FMJ. Hornady 10mm Auto 175-gr FlexLock Critical Duty. Federal Premium Personal Defense Hydra-Shok 10mm Auto. Hornady Custom 10mm Auto 180 gr XTP. Federal Premium 180-grain Trophy Bonded Bear Claw JSP. Sep 22, 2017 · With a 3-inch barrel and a six-shot cylinder combining for a weight of just 25 ounces, this gun was made to be both carried and shot. A Smith & Wesson Model 29, in .44 Remington Magnum – completely in the vein of Dirty Harry – still makes an excellent choice for the bear woods. According to the California Department of Fish & Game, the average weight of a black bear is around 300 pounds. The Maine Dept. of Inland Fisheries & Wildlife identifies the mean starting weight (for males) as being 250 pounds Whereas the former puts 500 pounds at the upper end of the weight spectrum, the latter notes 600 pounds In reality ...Despite being slightly larger and heavier than other pistols, the XTEN still delivers impressive accuracy and recoil control. 2. Colt Delta Elite. The Colt Delta Elite holds a special place in the hearts of 10mm enthusiasts, thanks to its timeless appeal rooted in the iconic 1911 platform. This formidable 10mm firearm boasts a 5 inch barrel and ...Field tests and real-life 10mm bear encounters have shown that with the right bullet type, the 10mm ammo can be exceptionally effective as bear country ammunition. MAGTECH …Oct 9, 2020 · This. I load Underwood 200gr Hard Cast in my G20 for the woods. I went with the 200gr because 1) I read and watched video reviews of the 220gr not stabilizing well in the OEM Glock barrel, 2) it's cheaper that the 140gr Lehigh Xtreme Penetrators I was using before and has a POA more in line with the 200gr XTPs I load for 2-legged predators, and 3) Underwood's offering is less expensive than ...

Dec 9, 2017 ... ... 1.2K views · 0:48. Go to channel · Best 10mm ammo for bear defense. 9 Mil Ridge•30K views · 33:06. Go to channel · Christensen Arms ...

Underwood Ammo offers the most comprehensive and innovative Underwood Ammo™ Supersonic Handgun Ammo for personal defense & hunting. Shop now 10mm Auto Lead ammo with Hi-Tek Coated Hard Cast. www.underwoodammo.com. “Long Live the Republic, God Bless America”. Greywood, LElliott, SJ 40 and 1 other …Here’s a look at eight of the best bear handguns, from least expensive to most expensive. 1. Smith & Wesson M&P M2.0 10mm. The Smith & Wesson M&P 10mm is a polymer-frame, striker-fired semiauto that offers 15+1 capacity. This striker-fired, polymer-frame pistol comes with a 15-round magazine and a slide that’s cut for optics.The 10mm bullet itself weighs between 135 and 200 grain (gr) and the ammunition is commonly found in both full metal jacket (FMJ) and hollow point variations. The 10mm bullet measures 10.17mm (.400 inch) and sits in a rimless, straight-walled casing that’s .992 inch long. Together, they measure 1.250 inches, according to the Sporting Arms and ...Oct 27, 2019 · Number 1 for any load you pick make sure its 100% reliable. The 10mm lends itself wonderfully to handloading. 12.8g AA9 and a 220g Ackerman WFN cast bullet runs 1290fps from a 5" 1911 and 1330fps from a 7" kkm barrel g40 and have been impressive on 2-300lb pigs. Oct 27, 2019 · Number 1 for any load you pick make sure its 100% reliable. The 10mm lends itself wonderfully to handloading. 12.8g AA9 and a 220g Ackerman WFN cast bullet runs 1290fps from a 5" 1911 and 1330fps from a 7" kkm barrel g40 and have been impressive on 2-300lb pigs. May 18, 2023 ... FN 510 Tactical Bear Gun Review https://bit.ly/2CHLudt The 10mm caliber has become a popular choice for defending against bear attacks ...Oct 11, 2019 · Grizzly Bear that charged, brought down at 10 feet with a 10mm in Alaska. U.S.A. – - (Ammoland.com)- On 19 September 2018, Jimmy Cox used his Glock model 20 10mm to stop the charging grizzly ... No, the .308 Winchester is UNDERKILL for grizzly or brown bear hunting, under average conditions, from a mid-range distance, with a medium grain expanding bullet, and with correct shot placement. Let’s look at those assumptions a bit closer in the following table. Assumption. Value. Caliber. .308 Winchester. Animal Species. Grizzly Or Brown Bear.

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The 10mm cartridge is designed to operate at 37,000 PSI (SAAMI), while the .45 ACP tops out at 21,000 PSI (SAAMI). The smaller diameter .400-inch bullets leave the muzzle significantly faster than .45 ACP loads using similar-weight bullets and, consequently, the 10mm Auto has more kinetic energy.Underwood 10mm Ammo 200 Grain Hard Cast - Best Overall. Sellier & Bellot 180gr FMJ - Best Budget. Barnes VOR-TX 155gr XPB - Best Hollowpoint. Blazer Brass 180gr FMJ - Best Bulk. Best 10mm Ammo For Bear Protection. Underwood 10mm Ammo 200 Grain Hard Cast - Best Overall. Specs. Shop Underwood 10mm Ammo. Bullet type: 200gr Hard-Cast.Can you name 10 innovations that led to the modern bullets we use today? HowStuffWorks can walk you through 10 innovations that led to modern ammo. Advertisement When people talk a...10mm Auto Self-Defense Ammo Ballistic Gel Tests. Chris Baker. So far, our ballistics gelatin testing project has covered 184 different factory loads split across today’s six most popular handgun calibers: 9mm, .45 ACP, .40 S&W, .380 ACP, .38 Special, and .357 Magnum. In seventh place (and a fairly distant seventh, according to our sales …Description. 10MM 208 Grain Wide Flat Nose Hard Cast Bear Defense- The Bullet: We have custom designed and manufactured our Bear Defense bullets to be the hardest, most devastating projectile on the market for the 10MM. Our hard cast (true 22 BHN) Wide RNFP bullet is specifically designed for Bear Defense with deep penetration through bone and …MAGTECH 10MM 180 GRAIN. Purchase 10mm Ammo. Pros of Using 10mm for Bear Defense. Stopping Power: One of the top reasons many opt for the 10mm is its bear stopping power. When it’s a matter of life and death, this round ensures deep penetration, even against tough-skinned adversaries like the grizzly bear.Swift A-Frame 10mm Auto 200 Grain. Part # P10SA. Grain Weight: 200. 5.0 (1) $66.99. Available. Add to Cart. WARNING for California Residents. Restrictions.The 10mm has problems, and in their opinion, the .45 ACP solves them. Not so fast. Nominal specs for standard pressure .45 ACP are a 230 grain bullet at 830 – 850 fps with 350 – 370 ft-lbs. muzzle energy. .45 ACP+P ramps the velocity up to 910 – 1000 fps (420 – 511 ft-lbs.) based on various manufacturers’ claims. ….

HSM Bear Load 10mm Auto 200gr RNFP Handgun Ammo - 20 Rounds. Save 5% when you purchase 10 or more boxes of this ammo. $19.99 ($1.00/round) Save up to $50 on your online order today! Apply for Explorewards Credit Card. Select a Shipping Method: Pick Up In Store. Out of Stock.Caliber: 10MM Bullet Wt: 220gr Bullet Type: Hard Cast Flat Point Velocity: 1200 fps Rounds: 20 M.E.: 703 ft. lbs. Made in the USA: Yes Recommended for: Bear Defense and Hunting10mms (XDm & Glock) are very popular for those that actually live in Griz/Brown bear country. But if one wants to carry a revolver then that's their choice. Some don't realize that handgun rds don't have/approach the ME and MV of relatively moderate rifle rounds. In comparison, in griz/brown bear country would one carry a 30/30 for bear …Top 10 Bear Defense Ammo 2023 | Best Charge Stopping Bear Cartridges!If you've ever ventured into bear country, you know that encounters with these powerful ...That's why HSM's exclusive Bear Load has been a most popular seller since its introduction in 2011. Each caliber's specially developed load has been expertly crafted from only the best of components. Hard cast, gas-checked (except 10mm Auto) heavy-for-caliber lead bullets precisely matched with temperature stable powders and primers, all housed ...Climate change has driven dozens of polar bears to look for food on the Russian archipelago of Novaya Zemlya, bringing them into conflict with humans. We tend to think of polar bea...The 10mm is a good service round, but not a grizz round. Best 10mm round would be a 416Rem, Rigby or 404jeffery in a sutiable rifle for grizz. "Given adequate penetration, a larger diameter bullet will have an edge in wounding effectiveness. It will damage a blood vessel the smaller projectile barely misses.Railsplitter said: I contacted Underwood and you are correct they recommend their 140gr XP first and their 200 and 220gr cast bullet loads second for confronting brown bears. Here is their answer to my inquiry on this subject. Underwood Technicians <[email protected]>.SIG Sauer P320-XTen. Colt Delta Elite. Glock 20. Palmetto State Armory Admiral. FN 510. Springfield XD (M) Elite OSP. Glock 29. The 9mm vs .45 ACP debate is one that, if you’ve spent much time in firearm circles, you’re probably already familiar with. There is, however, a third round worth considering, 10mm.InvestorPlace - Stock Market News, Stock Advice & Trading Tips Hello, Reader. The statement “Don’t fear the bear market” has... InvestorPlace - Stock Market N... Best 10mm ammo for bears, Underwood 10mm Ammo 200 Grain Hard Cast - Best Overall. Sellier & Bellot 180gr FMJ - Best Budget. Barnes VOR-TX 155gr XPB - Best Hollowpoint. Blazer Brass 180gr FMJ - Best Bulk. Best 10mm Ammo For Bear Protection. Underwood 10mm Ammo 200 Grain Hard Cast - Best Overall. Specs. Shop Underwood 10mm Ammo. Bullet type: 200gr Hard-Cast., 45 Reviews. $41.99. Add to Cart. Federal Fusion 10mm Auto Ammo 200 Grain Bonded Jacketed Soft Point Box of 20. 1 Review. $36.99. Add to Cart. Federal Premium 10mm Auto Ammo 200 Grain Swift A-Frame Bonded Jacketed Hollow Point Box of 20. $54.99. , Number 1 for any load you pick make sure its 100% reliable. The 10mm lends itself wonderfully to handloading. 12.8g AA9 and a 220g Ackerman WFN cast bullet runs 1290fps from a 5" 1911 and 1330fps from a 7" kkm barrel g40 and have been impressive on 2-300lb pigs., Shooting a Variety of 10mm Ammunition through Stock Glocks to see how fast they really are. Visit Part 1 on Chuke's: https://youtu.be/F5x9fitwx-Yhelp support..., Railsplitter said: I contacted Underwood and you are correct they recommend their 140gr XP first and their 200 and 220gr cast bullet loads second for confronting brown bears. Here is their answer to my inquiry on this subject. Underwood Technicians <[email protected]>., We’ll also go over everything you need to know about choosing the right round for your specific needs and some general info about how to use 10mm ammo for bear defense effectively. Top 10mm Loads For Bear Defense. Underwood 10mm Ammo 200 Grain Hard Cast – Best Overall; Sellier & Bellot 180gr FMJ – Best Budget; Barnes VOR-TX 155gr XPB ..., The Nasdaq index, which includes major tech companies like Apple and Microsoft, fell into bear market territory at the close of the market Friday, a term that signifies a loss of 2..., 10mm shootability — 6'3" Marty Hayes (left) used a full-power 10mm to equal. 5'10" Mas’ 300/300 score with 1911 and .45 hardball in double-speed class demo qualification. The 10mm is popular at The Pin Shoot, and this one has …, Jul 30, 2021 · 1,583. Overdrive said: I'm electing to use 200 gr Underwood hard cast in my 10mm. I don't need to worry about Brown bears where I'm at. Mainly carrying for protection against black bear, mountain lion and wolves. Plus the 200 gr meets state regs for pistol ft/lbs if I have a bear license in my pocket I can harvest one while guiding (but ... , 2. Smith & Wesson 610. Chambered in 10mm, the Smith and Wesson model 610 is a good choice for bear defense. Not only is this handgun capable of firing a 10mm round, but is also adaptable to the 40 caliber cartridge. Additionally, this handgun comes in both 4 inch and 6.5 inch barrel configurations., Best 10Mm Ammo For Bear. 01. Buffalo Bore Heavy 10mm Auto. As a powerful ammunition choice for 10mm Auto firearms, Buffalo Bore Heavy is a standout option for those seeking superior performance. With a reputation for delivering high velocity and excellent accuracy, this product is a favorite among enthusiasts and professionals alike., Here’s a look at eight of the best bear handguns, from least expensive to most expensive. 1. Smith & Wesson M&P M2.0 10mm. The Smith & Wesson M&P 10mm is a polymer-frame, striker-fired semiauto that offers 15+1 capacity. This striker-fired, polymer-frame pistol comes with a 15-round magazine and a slide that’s cut for optics., May 2, 2020 · Chuke and Chuck test some copper and FMJ bear rounds for the 10mm.Consider becoming a Patron!https://www.patreon.com/ChukesOutdoorSend Fan Mail to:ChukePO Bo... , The 10mm is a good service round, but not a grizz round. Best 10mm round would be a 416Rem, Rigby or 404jeffery in a sutiable rifle for grizz. "Given adequate penetration, a larger diameter bullet will have an edge in wounding effectiveness. It will damage a blood vessel the smaller projectile barely misses., May 18, 2023 ... FN 510 Tactical Bear Gun Review https://bit.ly/2CHLudt The 10mm caliber has become a popular choice for defending against bear attacks ..., Dec 9, 2017 ... ... 1.2K views · 0:48. Go to channel · Best 10mm ammo for bear defense. 9 Mil Ridge•30K views · 33:06. Go to channel · Christensen Arms ..., The Super Redhawk is available in 6-, 7-, and 9-inch barrels. The extra weight and barrel length make the recoil a smidge easier to handle. The Super Redhawk comes chambered for .44 Rem Mag, .454 Casull, 10mm, and .458 Ruger. When loaded with the right ammo, all are capable of bear-stopping cartridges., Our website lists special deals on 9mm Ammo, 10mm Ammo, 45-70 Ammo, 6.5 Creedmoor ammo, 300 Blackout Ammo, 10mm Ammo, 5.56 Ammo, Underwood Ammo, Buffalo Bore Ammo and more special deals on bulk ammo. We offer a 100% Authenticity Guarantee on all products sold on our website. Please email us if you …, Oct 24, 2013 ... Testing the Buffalo Bore 200gr FMJ load out of the Glock, for velocity. This is an expensive round but as you will see it delivers big ..., Some of the recommended 10mm loads for bear defense include Buffalo Bore Heavy Outdoorsman, DoubleTap 230-grain Hardcast, and Underwood Ammo 200-grain Hardcast. If you are not confident in using a 10mm for bear defense, other recommended guns for this purpose include the .44 Magnum, .454 Casull, and .500 S&W Magnum., We’ll also go over everything you need to know about choosing the right round for your specific needs and some general info about how to use 10mm ammo for bear defense effectively. Top 10mm Loads For Bear Defense. Underwood 10mm Ammo 200 Grain Hard Cast – Best Overall; Sellier & Bellot 180gr FMJ – Best Budget; Barnes VOR-TX 155gr XPB ..., When bears attack its FAST! Three failures out of 104 documented cases is a 97% success rate. Pistols are a viable defensive tool for use against bears. Of the three failures, one was with a .22 ..., Some of the recommended 10mm loads for bear defense include Buffalo Bore Heavy Outdoorsman, DoubleTap 230-grain Hardcast, and Underwood Ammo 200-grain Hardcast. If you are not confident in using a 10mm for bear defense, other recommended guns for this purpose include the .44 Magnum, .454 Casull, and .500 S&W Magnum., Nov 9, 2022 · The smack down you’ve been waiting for. Velo just started showing up, How does this new hard cast round compare to the traditional kings of ammo, Underwood ... , BEST 10MM AMMO. Federal Premium American Eagle 10mm Auto 180 Grain FMJ. Remington UMC 10mm Auto 180-grain FMJ. Hornady 10mm Auto 175-gr FlexLock Critical Duty. Federal Premium Personal Defense Hydra-Shok 10mm Auto. Hornady Custom 10mm Auto 180 gr XTP. Federal Premium 180-grain Trophy Bonded …, Heavy 10MM Ammo. 180 gr. Jacketed Hollow Point - (1,350 fps/M.E. 728 ft. lbs.) 20 Round Box. ITEM 21B. The Buffalo Bore Heavy 10MM ammo results from many years of customers' requests that we produce several such loads for the 10MM. These loads bring out the full potential of the 10MM but operate at standard pressures and are safe to use in any ... , Key Takeaways: When choosing the best 10mm ammo, consider factors such as bullet weight, purpose, and budget. Top picks for 10mm ammo include Federal HST for self-defense, Buffalo Bore Hardcast Outdoorsman for bear defense, and Hornady Critical Duty for versatile use., Oct 9, 2020 · This. I load Underwood 200gr Hard Cast in my G20 for the woods. I went with the 200gr because 1) I read and watched video reviews of the 220gr not stabilizing well in the OEM Glock barrel, 2) it's cheaper that the 140gr Lehigh Xtreme Penetrators I was using before and has a POA more in line with the 200gr XTPs I load for 2-legged predators, and 3) Underwood's offering is less expensive than ... , A guide who wants an absolute showstopper might pick one of the .416’s or .458’s, but the .375 Ruger is one of the most balanced and best bear hunting cartridges on the planet. The .375 H&H and .375 H&H Ackley Improved are both very similar and essentially interchangeable in this conversation., The same applies for .45 Super; big bullets start to drop earlier. 10mm is typically more expensive than .45 ACP even in the best of times. If the typical box of 50 hardball practice rounds is $20 to $25 for .45 ACP, it can be upward of $35 for a box of 50 in 10mm depending on brand and box. But expect to pay more., 10mm vs 45 for Bear. The 10mm is a better bear gun than a 45acp, but people do use both. The 45acp often lacks penetration to reach the vitals or to penetrate the skull on a big bear. Greenland police are issued 10mm pistols with 200-grain bullets to combat problem polar bears. 10mm is significantly more effective on bears than 45acp., The 10mm bullet itself weighs between 135 and 200 grain (gr) and the ammunition is commonly found in both full metal jacket (FMJ) and hollow point variations. The 10mm bullet measures 10.17mm (.400 inch) and sits in a rimless, straight-walled casing that’s .992 inch long. Together, they measure 1.250 inches, according to the Sporting Arms and ...,