A bullet of most any size through the brain will put something down. Thats over 3 times the weight so three times the energy.Ĭould you hunt with them? Sure, it's about shot placement. The 300 is shooting as much as a 240gr SMK at the same subsonic velocity as a. 223 caliber cartridge containing from 3.5 to 4.5 grains of pistol propellant and a projectile. 223, it can't have as much energy as a 300BO. The cartridge of claim 1, wherein the rifle cartridge is a. I thought I missed on two of them based on the bullet smack, but then the squirrels fell and did their death dance. I could hear the bullet hit the tree after it passed through the squirrel. Only downside is they're round points, not HP. they don't cycle in a semi, but are quiet suppressed or not. The squirrel kept going to the next tree and looking at me. I tried it in my P22 and made my first kill with that gun. finally I got it sighted in and killed two with head shots. I got ten shot at him before he decided to go up a tree. My scope was off and I managed to sight it in on a squirrel. 22 It's a 22LR with a 40gr bullet at 710fps. I was out sick the last couple days and since I was bored at home, I went to wally world to buy a couple things. If accuracy is a problem with a slow twist, simply turn the bullets around and shoot them backwards. Pricing for subsonic and high velocity ammunition that deforms substantially on striking tissue is greater, as the bullets for these rounds are custom built. As I was loading up primer tubes tonight for my next run of 55 gr FMJBTs that my SCAR likes, I started thinking about reloading subsonic 223 ammo for my suppressor that I'm patiently waiting for (4 months pending thus far - Surefire 556. Powder type Filling/Loading Ratio Charge Charge Vel. ARCHIVED THREAD - Reloading Subsonic 223. Actual load order can vary, depending upon lot-to-lot powder and component variations.ĩ0 loads produced a Loading Ratio below user-defined minimum of 50%. That all of the listed powders can be unsuitable for the given combination of cartridge, bulletĪnd gun. Loads or exceeds maximum suggested loads as presented in current handloading manuals. Long grooves in its gilding metal jacket combine with the bullet’s flat profile and the patented Flex Tip® insert within its. The Sub-X bullet used in Subsonic Rifle features a lead core. Subsonic Handgun utilizes tried-and-true XTP® bullets that expand reliably at subsonic velocities. These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.Ĭ A U T I O N : any load listed can result in a powder charge that falls below minimum suggested 40 S&W 180 gr XTP ® Subsonic Item 91369 20/Box. Matching Muzzle Velocity: 950 fps or 289 m/s Predicted Data for Indicated Charges of the Following Powders. 223 subsonic round that will fully function a military M4 and/or commercial developed AR-15s. To achieve subsonic velocity one must change the powder, powder charge and seating depth. Useable Case Capaci: 22.618 grain H2O = 1.469 cm³Ĭartridge O.A.L. Designing subsonic ammunition is a delicate art, there is no one size fits all as with other ammunition. 224, 90, Sierra HPBT MatchKing 9290 G7 Litz 22lr subsonic out of the AR with conversion kit.Bullet. I also want to play with different bullets in the 69+ gr range.Ī heavier projectile version of the 22lr out of and AR that doesn't require a conversion kit, different magazine and the issues associated with 22lr fouling AR and can. I'd like to get it down to and average of 1050 fps (true subsonic level) with a SD of 10 so I am going to play with the powder and start working down in 2/10 increments. 40 S&W Ammo, 20/box - 91369 23.99 1.20 Add to Cart Buffalo Bore Subsonic Heavy Standard Pressure 9mm Parabellum/Luger 147 grain Jacketed Hollow Point Pistol and Handgun Ammo, 20/Box - 24I/20 30.99 1.55 Add to Cart Hornady Subsonic 395 gr Sub-X. I have no idea on what it's max effective range would be but I'd say 200 yards would be a safe bet. Primer crack is less because of bolt staying closed. About as loud as subsonic 22LR out of the AR w/can. These will not cycle the bolt (so single shot and manual rack) I shot these out of a AR15 w/ 1-7 twist 10.5" barrel / AAC can (these would be excellent on a suppressed bolt action. 223 subsonic.ĥ.2gr Trail Boss (fills case nicely - does not meter to well though *donut shaped powder) Here is a load i cooked up (after a lot of internet research on the subject) this weekend for.
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