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Posted By: Sgt5 What cal. to barrel M-7 - 01/21/21
I got 1 Rem. Mod 7 action left with a 223 bolt face any ideas as to what cartridge I should chamber. I am currently waiting on my 17-222 to get finished up , I have a 204 Rug , 223 Rem.and a 6x47 Rem.
Looking for ideas let me know your thoughts, I will be staying with the same barrel length and contour.

Thanks.....Sarge
Posted By: Kaleb Re: What cal. to barrel M-7 - 01/21/21
1-7” 223rem
Posted By: Sgt5 Re: What cal. to barrel M-7 - 01/21/21
223 does have the best resale value.
Posted By: Ky221 Re: What cal. to barrel M-7 - 01/21/21
221 Fb
.222 Rem
Posted By: JCMCUBIC Re: What cal. to barrel M-7 - 01/21/21
Originally Posted by Kaleb
1-7” 223rem


This. If you want to make it a little different go 223AI. Either way, mode the mag box for the longer OAL.
Posted By: TeeBone Re: What cal. to barrel M-7 - 01/21/21
I'd be tempted to open up the bolt face and do a 6 ARC or 6.5 Grendel.
Posted By: T_O_M Re: What cal. to barrel M-7 - 01/21/21
Considering what you've already got, .221 or .222, I think, or possibly a 6x45.

Or .300 blackout? Or .350 Legend?

Or maybe you have it covered well enough that you should consider selling / trading the action for one with a standard bolt face.

Tom
Posted By: UPhiker Re: What cal. to barrel M-7 - 01/21/21
25-45 Sharps
Posted By: Bugger Re: What cal. to barrel M-7 - 01/21/21
221
Posted By: Sgt5 Re: What cal. to barrel M-7 - 01/21/21
I don't have the FB bottom metal , I wonder how hard it would be to find with Remington's doors closed ?
I like the 223 AI and 6x45 ideas.
Posted By: Sgt5 Re: What cal. to barrel M-7 - 01/21/21
Originally Posted by T_O_M
Considering what you've already got, .221 or .222, I think, or possibly a 6x45.

Or .300 blackout? Or .350 Legend?

Or maybe you have it covered well enough that you should consider selling / trading the action for one with a standard bolt face.

Tom



I think you got a point Tom , lets face it I'm just having everyone who is participating in the conversation talk me into another rifle.

Sarge
Posted By: HandgunHTR Re: What cal. to barrel M-7 - 01/22/21
How about a 7TCU? I built one on a 700 action with a 18" barrel and it is a great deer/varmint rifle.
Posted By: NWT Re: What cal. to barrel M-7 - 01/22/21
Since you are already equipped for the .17 caliber, it would be fun to have another .17 caliber. Maybe. 17/221 or a .17Rem..
Tie would be a 6X45
Posted By: dale06 Re: What cal. to barrel M-7 - 01/22/21
The 221 and 17 fireball WILL NOT feed and eject properly unless the action was factory made for one of those cartridges. The plunger and extractor in the bolt face are different as is the mag box and follower.
Trust me on that, I pissed away quite a bit of money trying to make it work.
I’d make a 222.
Posted By: msalm Re: What cal. to barrel M-7 - 01/28/21
Buy a new bolt from PTG and make a 308 based or even a WSM caliber. I had a pile of those actions and made everything from 17’s to the latest a 7 RSAUM last summer. Or you can open it up and install an M16 type extractor. How about a handy 358?
Posted By: Higginez Re: What cal. to barrel M-7 - 01/28/21
.22 Gren with a 1-7" twist would be where I was headed.
Posted By: bruinruin Re: What cal. to barrel M-7 - 01/28/21
Conversations here over the years have planted the thought of a bolt action 35 Remington in my head and I still like the idea. It would require boltface work or a different bolt, though.
300 BO with fast twist and suppressor. Be Well, RZ.
Posted By: JCMCUBIC Re: What cal. to barrel M-7 - 01/28/21
Originally Posted by JCMCUBIC
Originally Posted by Kaleb
1-7” 223rem


This. If you want to make it a little different go 223AI. Either way, mode the mag box for the longer OAL.



Another post in the 'fire made me think about the 6mm ARC. It would be a cool little round for this. I have no idea how hard it is to get brass for it right now though.....so .223 or a variate of it may still be the best route logistically.
Posted By: utah708 Re: What cal. to barrel M-7 - 01/28/21
6 TCU
Posted By: szihn Re: What cal. to barrel M-7 - 01/28/21
I'd do a 6.8SPC.
Posted By: Kaleb Re: What cal. to barrel M-7 - 01/28/21
Originally Posted by JCMCUBIC
Originally Posted by JCMCUBIC
Originally Posted by Kaleb
1-7” 223rem


This. If you want to make it a little different go 223AI. Either way, mode the mag box for the longer OAL.



Another post in the 'fire made me think about the 6mm ARC. It would be a cool little round for this. I have no idea how hard it is to get brass for it right now though.....so .223 or a variate of it may still be the best route logistically.




I was thinking little 6mm ARC’s would be perfect turn key rifles for my girls. Maybe in another year or so they’ll be chambered in a few offerings. Or at least brass be available.
Posted By: firearms44 Re: What cal. to barrel M-7 - 02/22/21
Buy a new bolt from PTG and make a 308 based 20" 358 Win. I have one in stainless and it's sweet to carry and deer don't run off.

Ken
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