BROCOCK???????

airgun pellets are good for everything, in countrys where you need a license to buy 22lr ammo you take 6mm flobert blanks( you say bb cap) or 22 long blanks and shot airgun pellets with this. the standard airgun pellet will only stand the 6 mm flobert blank. the 22 long blank blow the hollow base out, sometimes it stick somewhere in the barrel. .the firm Haendler and Naterman making a special strong pellet the Baracuda in .17, .22 and .25. the .22 baracuda wheigths 30 grains and make all you like. the .25 baracuda still work automatic in 25 ACP pocket pistols, also good for reduced loads in this little pistols.in germany some guys like Samereier make lathe turned brass cases for indoor shooting from 22 hornet to 5,6x50 magnum and with the .25 baracuda for 6,5x55 swedish and similar. I believe he makes his cases for 209 magnum shotshell primer. the secret of his cases is the redused powder room. I think you can make this at home, remeber a 308 rifle, was a spanish FR 8, shooting 32ACP ammo. full length resizing 308 cases, fill the case with hot lead and drill a hole thru the case, including a cartridge chamber. this works good in the garage or cellar and there are bad guys fitting the fr 8 with a homemade silencer.when you take this idea you can rework any case with lead and a small drill.
very sorry for you that haendler and naterman dont export the baracuda airgun pellet into the usa, its simply the best and standard in europe for airgun field target shooting.

It`s a great way to have fun

I did it a few years back in a .222 Rem. Thanks for reminding me to do it again.

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Remember if it sounds to good to be true, it usually is !

I remembered that I had printed to PDF a message thread from here on the same subject, "Indoor 222 and 223R loads", started on 18 Jan 2001. I tried a few rounds with these suggestions, though not enough to get any accuracy results, just a few shots to see if it worked. I can email copies if requested, but I'll summarize and describe what I did from the thread.

One person posted about using pellets with primer only. Another recommended using a 22 BB cap case for a powder dipper, and loading the pellets upside down to make it easier to load. The last was getting about 330 fps with primers only, and 800 fps with 1 gr of Red dot. Another loading in 22 Hornet, was getting about 450 fps with primers only in his 10" Contender.

What I did to make reloading the cases (.223) easier was to run the brass into the sizing die w/o the expander. Then I ran them again onto the expander, just about halfway down the neck, this created an expanded mouth to insert the pellets into, and a smaller diameter at the base of the neck to hold them. I then loaded 4 with just a small rifle primer, and 4 with one grain of red dot. I was shooting from an NEF Handi-rifle, but at about 30' the target was not clear through the scope, so it wasn't much for accuracy testing. Functionally, they worked great. There was a noticeable difference in report between the primer only and the Red dot loads. I hope to try some more of this, but first I need to get me something in 22 to try with. I'm wishing for a 22-243 middlestead, but will probably be 223 to start. I thought, too, about some 177 pellets in a 17 something, or even 20 cal pellets in a 204 Ruger or other 20 something.

Dodis the 22 hornet make a better cb round because of the low case volume(higher pressure),the longer throut adds room for long pellets like the Beeman Crowmagnum and I hind that a single shot seems to produce more velocity. The use of pellets in the 22-250 gets a little tricky (first load the pellet into the bore then the case with .5 to 1.5 gr. blue dot or h110) and slow. The 222 worked great before I solded it
The only thing that might give you a problem is the use of .177 pellets in a .172 bore. A .22 pellet is actualy .220 to .221 and will expand to fit a .224 bore under even the lowest of pressures. On the other hand, the .177 pellet might get logged in a .172 bore. I've never tride to size them, It might be the only why to go(?). At any rate, If you do figure out how to make the 17's work please let me know. Thanks 338vt

I took a 22 hornet case and drilled out the primer hole, filed the rim to about 1/2 normal thickness, then can push in and pull out a shotgun primer with my fingers. Loading a 22 pellet is easy, just drop it in through the primer hole and push it the last part of the way with a stick. I found it plenty accurate, but I had to clean the barrel every 10 or so shots to keep the accuracy. The barrel would get dirty and the shots would start to shoot lower.

RobinB
Thats a new one on me, I'll have to give it a try. I'll have to by 209's and I don't reload shot shells!

Some irresponsible types here have been known to drill out the back of a "Brocock" air cartridge to fit a shotgun primer.
I've heard it works a treat.
But now the "Brocock" system is a restricted weapon.
And you would get 5 years for that sort of thing.