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Air Gun Home Forum Index » Pellets/Ammo » Question about .25 ammo    View previous topic :: View next topic  Question about .25 ammo   Posted: Fri Nov 19, 2010 8:17 am jlwilliams Veteran Member Joined: 02 Oct 2009 Posts: 264 Location: Jacksonville, NC USA What is the actual size of .25 airgun pellets? I know that (for example) .22 airgun isn't the same as .22lr and that .177 is actually 4.5mm. I'm considering the jump to a .25 rifle (yeah, I have been 'considering' it for a decade or more, but bear with me ) and I'd like to look at ball molds. Could be fun having lead ball for a .25 shooter. With the price of pellets being so high, casting a pile of ball may help me get more enjoyment out of the rifle.   Posted: Fri Nov 19, 2010 9:14 am WillBrayJr Member Joined: 03 Jun 2010 Posts: 88 Location: Auburn, IN As far as I know 25cal is 6mm. That's just what I was told so take it for a grain of Salt.   Posted: Fri Nov 19, 2010 10:49 am rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC Not even close.... 6mm is 0.236".... .25 cal pellets are listed at 6.35mm which is 0.250".... The cheapest thing to try is #3 Buckshot.... On the home page of this forum is a Pellet Specifications List: http://www.airgunhome.com/pages/pelletspecs.html The head diameter basically rides on the lands (for the smaller sizes) or get shallowly engraved by the rifling and is a better indication of typical bore diameter for each caliber.... the skirts are usually bigger than the true bore and get deformed in firing anyway.... Typically, .177" is considered the "true" size, as is .217" for .22 cal and .250" for .25 cal.... Bob Last edited by rsterne on Fri Nov 19, 2010 4:11 pm; edited 1 time in total _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count!   Posted: Fri Nov 19, 2010 3:54 pm jlwilliams Veteran Member Joined: 02 Oct 2009 Posts: 264 Location: Jacksonville, NC USA This may call for getting the gun (or a barrel for my Talon, whichever it turns out to be) and slugging the barrel. I see #3 buckshot as being .250 + or- .005 A little looking and I'm sure I'll find a more accurate mold than that, but that's a good starting point.   Posted: Fri Nov 19, 2010 4:12 pm rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC Sorry, I meant #3 Buck.... .... #1 Buck is for .30 cal.... I have heard reports that it is quite usuable out to 50 yards in some guns.... Here is a quote from someone I really trust: Quote: #3 buckshot is great stuff from Hornady and can do 1" at 50 yards easy enough. was able to hit pop bottle caps pretty handy at 65 yards with them. Bob _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count!   Posted: Fri Nov 19, 2010 7:41 pm jlwilliams Veteran Member Joined: 02 Oct 2009 Posts: 264 Location: Jacksonville, NC USA I understood ya' loud and clear. When you said buckshot it clicked. The # was just a typo, the thought was correct. BTW, there is a guy on Ebay selling what look like pretty nice buckshot molds. Not sure how effective it would be casting buckshot for shotgunning (by the time you pour the twenty piece trees, sprue it, etc) but for airgunning....maybe more viable rof someone who has a buckshot caliber airgun. There aren't a lot of buckshot caliber airguns these days, but if you look back there have been quite a few over the years. The Apache comes to mind. I know I've seen all kinds of buckshot caliber airguns in the blue Book. Mostly stuff I've never seen in real life, but someone owns them I'm sure.   Posted: Fri Nov 19, 2010 9:29 pm rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC I have a 5 lb. box of #3 Hornady buckshot coming.... I'll let you know how my .25 Disco likes it.... 5 lbs. x 7000 gr./lb. / 23.4 gr. = ~1500 shots for ~$30.... That's only 2 cents a shot.... Bob _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count!   Posted: Fri Nov 19, 2010 10:05 pm AirGunEric Site Admin Joined: 20 Jan 2007 Posts: 6908 Location: "Out There" rsterne wrote: ...how my .25 Disco likes it... What/whose barrel is that? _________________ ` I'd say "I care." But I'd be lying. Canadian Airgun Supplier: http://www.scopesandammo.com/storefront   Posted: Fri Nov 19, 2010 10:26 pm rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC It's a Lothar-Walther I got from Mountain Air about a year ago.... Bob _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count!   Posted: Sat Nov 20, 2010 7:52 am jlwilliams Veteran Member Joined: 02 Oct 2009 Posts: 264 Location: Jacksonville, NC USA Three cents? I got that kind of loot! 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