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help with caliber choice for a future build.

squirrel_slayer

Private
Full Member
Minuteman
May 28, 2009
158
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42
casa grande, az
With how the economy is going and based off what I have laying around I've come to the idea of making a cheap practice rifle/ future deer rifle for my son's. I want to build a .223 based wildcat in 6, 6.5, or 7mm.

I have at least 500 once fired commercial win cases as well as thousands of LC cases and thousands of small rifle primers.

i've actually been doing alot of rimfire practice at 150yd's with my savage mkII and working my way back which has me catching the long range bug.

i'll be working with my savage action off my .243 and attempt to mod or build a stock for it.

I reload and have been playing around with quickload and really like what I see with the TCU series of cartridges. If I take advantage of maximizing the cartridge length to the max allowed by my bullet choice to get the greatest usable case capacity. with reloader 17 and a 6mm tcu at 2.6"plus and 105gr hornady a-max I shows posibilities of pusing that bullet to 2700+ft/sec however I'm not too impressed of 6mm bullets for hunting on our rather large mulie's out here so it would be questionable at best.

next up I played with the 6.5tcu and I gain more down range energy but sacrifice a little trajectory and about 200 ft/sec velocity with a 123gr a-max

lastly I plugged in 7mm tcu and 162gr a-max at 2.8" and I like the energy figures I see but I loose alot as far as amount of drop the cartridge has and worried about expansion at the velocities the cartridge will be traveling. ~2300 at the muzzle and 1800ish at 300yds.

what would you guys choose. so far the 6mm seems the best on paper except with being able to down a deer effectivly. however from what i've seen in ar's. bullets designed for varments (v-max, nosler bt's) are working great at lower velocities on big game(deer sized animal) so thinking a 95gr nosler bt at 2600-2800 may work ok for deer?

I'll start with a 22-26" heavy barrel and buy a 22" sporter barrel down the road for the boy's as there still very young.

ultimatly a cartridge that takes almost half as much powder as the .243 with still decent performance and abundent brass yet still a good trainer is what i'm after. my .308 is costing me almost .50cents a round.(178gr a-max, br2,under varget). even with the 105 a-max's i'm looking at .30-32 cents a round. and 18 cents if I used midway dogtown bullets and blue dot practice loads for the kids.
 
Re: help with caliber choice for a future build.

6mm version works well on pigs here in Tx, not sure on the specifics but a friend had on built and its nice. I believe he's using 75gr Nosler BT's but I'm not sure, granted these are a varmint bullet but with a well placed shot it shouldn't be a problem
 
Re: help with caliber choice for a future build.

Sounds like for what you are looking to achieve, a 6mm variant or even a 6.5 is what your looking for. I've been looking into this for my 9 y/o as well. I want something he can grow into as a plinking / varmint gun and maybe even a light weight deer gun. I want something that I can load light for him so there is minimal kick as I do not want him to pick up flinching habits often associated with recoil and kids. I really haven't picked the caliber as of yet. I'm not even sure if I want to use a bolt action as the foundation or an Encore Frame with a E. Arthur Brown barrel.
Check out this link.... This will help you out
http://www.6mmbr.com/index.html

I do know that my next bolt gun build will be a 6.5x47 Lapua... I'm really liking this round and what I've been reading.
http://www.6mmbr.com/gunweek084.html
 
Re: help with caliber choice for a future build.

The 6mm Nosler 95gr ballistic tip is not a "varmint" bullet and works very well on deer. Any size/weight bullet will not work well on any size deer if the shot placement is poor, IMHO.
 
Re: help with caliber choice for a future build.

the 6.5mm varient does look like a better route. the 120gr barnes ttsx and nosler bt both look like excellent contenders for what i'm looking for. only bad thing is there isn't any "cheap" plinking bullets really out there.
 
Re: help with caliber choice for a future build.

Did you check that link I posted for you... Lots of good info on there.

I'll tell whats a fun lil gun to shoot. I just picked up an older Model 700 in 17 remington. WOW!!! what a fun little round that is.
No I see there are some custom 14 calibers out there... might have to try that! hehe
 
Re: help with caliber choice for a future build.

the idea of the fast shooting small calibers is appealing. however there isn't any real varmint shooting out here short of coyote's, ground squirrels, and going up north to dog towns.
 
Re: help with caliber choice for a future build.

I've thought about doing one of those cartridges before too. When you look at the price of .224 bullets next to 6.5's and 7's though, it would push me towards a fast twist 223 instead.

There's no additional die or reamer expense, and there are tons of bullets available for any job you'd be asking it to do.
 
Re: help with caliber choice for a future build.

Seems like a good starting point for a new centerfire shooter would be a 223....and a later progression to a 243 or a more powerful cartridge than 223, plus the cheaper cost of plinking fodder and cheaper to reload... Someone on a different forum is working on a AR chambered in a 6mm-223 based cartridge...

Don't forget your 30 cal variants based both sub sonic and supersonic (300 whisper, 30 blackout, etc)
 
Re: help with caliber choice for a future build.

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: PawPaw</div><div class="ubbcode-body"> Seems like a good starting point for a new centerfire shooter would be a 223....and a later progression to a 243 or a more powerful cartridge than 223, plus the cheaper cost of plinking fodder and cheaper to reload... Someone on a different forum is working on a AR chambered in a 6mm-223 based cartridge...

Don't forget your 30 cal variants based both sub sonic and supersonic (300 whisper, 30 blackout, etc) </div></div>
+1 If you are trying to be economical, then you can't beat a 223REM. Maybe not enough for deer though. Moving to a 308-sized bolt face gives you many more options in the future. If you are looking for something that uses less powder than 243, then 6BR or its variants are a good choice. Also look at the 6mmAR: might be a perfect fit for you.