Has anyone had experience in building up a 5.7 rifle on a bolt action? I think a CZ would make a good platform for it maybe using 22 Hornet mags. It is only 0.27 shorter so might run OK. If so who did your work for you and was it a SS or a repeater? I keep picking up the brass and have shot some of the full auto 5.7's and thought it might make a fun little close up varmint round.

Just a potential prospect.

Greg

The closest thing so fare is TC's. You can order custom barrels made for your Contender. Other then that I don't know of much. There is one person working on a M1carbine based conversion and another a Henry style survival rifle. That's about it.

I figure I'll just have to cruise the pawn shops and want adds and find a 700 or go buy a new CZ. It should be pretty straight forward. The 700 might have to be a single shot though.

I am in the working (raising money) stage of doing a M1 carbine in 5.7 Johnson. It would be a 5.7 on steroids!!

Greg

I know the gunsmith who was working on the M1Carbine conversion but he has taken ill and is not able to work.

I kinda like the idea of a Henry with HP ammunition - that would be an ideal survival weapon.

my local builder / buddy & mentor & I built our own 5.7 X 28 Contender barrels with a 5.7 reamer I bought, & his parts... mine is a 10" barrel, his is 21" Mine used a piece of 1 in 8 twist 223 barrel ( left over from making a fast twist Contender carbine barrel ), his was I believe a cut & rechambered 22-250 barrel fit into his reciever block... IMO, the Contender is the easiest way... as it had us both shooting in a little over a month...

he had talked about wanting to build a bolt action, but it would have been a single shot, so I didn't see much purpose over the Contender... BTW... reloading the cartridge out of a fixed breach gun is leaps & bounds easier than reloading from the FN...

... there is also someone building AR uppers that use the FN Carbine magazines... I know a couple guys that have them, & are planning on taking them prairie dogging this summer

There are 2 makres of the AR57 upper. PW arms whose upper is "ok" and a new player on the market. ATI their upper is light years better then the PW design.

How so?

I can't give to many details. Let's just say we are like the first one involved. Makers need ammo right? The one made by ATI is fare better and uses a traditional AR cocking handle, Is much stronger, tighter chamber, and less moving parts.

Are there any guesses as to when the ATI upper will be avaliable?

Very soon. We are waiting on a sample to test extensively with our ammunition. Basically they want to see if we can break it. I can tell you it's one heck of a nice SIMPLE design.

so if you could tell me, which design is the ar57.com's?

If you are referring to 57center.com, it does not appear to use a regular charging handle, so I am assuming that it is the original design. I have only seen the one design, so I really can't add too much here.

I looked for ar57.com and got some alumni website or something, so I believe you meant 57center.com.