Shop for Remington Model 7 6mm TCU, 6.5mm TCU, or 6.5 grendel build.

[RonA]

Anyone out there comfortable doing a fit and chamber on a Remington Model 7 in any of the above mentioned calibers? I don't need more energy than the .223 sized case for pigs or deer if I can go up to a 6mm or 6.5mm bullet. 6.5TCU with 95gr max bullet would be preferred.
Thanks.
RonA

 

[RonA]

Looks like I'll have to build this one myself. I'm going to order some .222 mag brass tomorrow and if it's actually available I'll get a reamer made for a shorter throat version of the 6.5 TCU that's a bit longer in the body. I already have a set of 6.5mm TCU dies and at worst I may need to make a stubby die to size the base occasionally. It will be interesting to see how much the extra length adds to the performance.

 

[6.5BR]

A 6XC model 7 was FS on 6mmbr.com not long ago.....

 

[RonA]

A 6XC model 7 was FS on 6mmbr.com not long ago.....

Way more cartridge than I need. If I was going to go that big, I'd just do another 6.5mm IHMSA or 6.5 x 47L.

 

[6.5BR]

You can download, recoil light. Personally, sounds like you need a 6.5BR. Had a 7BR shot 120s at 2878 in a 21"

 

[selfbowhunter]

I have built several 6mm TCU rifles in fast twist barrels for hunting and my current "truck" gun is a 6TCU with a 22" shilen barrel. I have no trouble pushing the 95mk 2950fps with imr 8208 but it doesn't kill well at all. the sierra 85gr hpbt is an excellent killer at 3050fps! I am currently shooting the 80gr sierra blitz at 3050fps and have taken deer, pigs, and coyotes with this load. this deer was killed a few weeks ago with the 80gr sierra at 250yds. believe it or not, it was a complete pass through. you can push the 80gr up to 3200fps if desired. the 105 amax at 2700fps is plenty doable. that load would do a LOT of killing in a very small package.

 

[RonA]

I have built several 6mm TCU rifles in fast twist barrels for hunting and my current "truck" gun is a 6TCU with a 22" shilen barrel. I have no trouble pushing the 95mk 2950fps with imr 8208 but it doesn't kill well at all. the sierra 85gr hpbt is an excellent killer at 3050fps! I am currently shooting the 80gr sierra blitz at 3050fps and have taken deer, pigs, and coyotes with this load. this deer was killed a few weeks ago with the 80gr sierra at 250yds. believe it or not, it was a complete pass through. you can push the 80gr up to 3200fps if desired. the 105 amax at 2700fps is plenty doable. that load would do a LOT of killing in a very small package.

When you say fast twist, are you talking fast like a 1-10(which seems about right for the 80 and 85 gr bullets ) or the crazy fast 1-8 stuff? Your rifle sounds like what I want, short, light, and just enough power to get the job done.
RonA

 

[6.5BR]

My TC was in a TCU at 21" in 12 twist, did ok w/85 SGK, but not ideal. Only use an 8 twist since then in 6BRs, and would use that in any 6. Shot 66s into 1/4" at 200 yds for 3 shots over and over, in a BR, no worry about over spin, but you can under spin. An 8 would be best, a 9 ok, but may not handle 105s in this round.

 

[selfbowhunter]

Current barrel is a 10 twist because it was available. I find it suitable for any hunting bullets you would use in the little case. Last barrel, and several others were 8 twist. They shoot just as well and are probably more versitile. Also, it feeds well through an unaltered 700 magazine somthing that cant be said for the 6br. Get a 10 twist and shoot the 85gr sierra gameking. Its great on everything from coyotes to big pigs over 300lbs!

Chuck

 

[RonA]

Current barrel is a 10 twist because it was available. I find it suitable for any hunting bullets you would use in the little case. Last barrel, and several others were 8 twist. They shoot just as well and are probably more versitile. Also, it feeds well through an unaltered 700 magazine somthing that cant be said for the 6br. Get a 10 twist and shoot the 85gr sierra gameking. Its great on everything from coyotes to big pigs over 300lbs!

Chuck

I was looking earlier and Brownells has the light #3 and #4 contour barrels in a 1-10 twist. I wouldn't go over 85 gr or so with a 6mm anyway so a faster twist would not be beneficial. I ran a 6.5 TCU a number of years ago with a 1-10 twist and it did really well with the 95 and 100 gr bullets. I agree on the poor feeding with the BR case as well.

 

[6.5BR]

Had an M7 using a 700 stamped follower, fed full mag slick as greased glass in 7BR....

 

[selfbowhunter]

Had an M7 using a 700 stamped follower, fed full mag slick as greased glass in 7BR....

Your one of the very few i think. Could be the 1/2" difference in the 700 and model 7 make a big difference in feeding though.

 

[6.5BR]

Honestly I felt the heavier bullets kept the rounds laying flat in mag, and the COL had less a jump to get to the feed ramp, but had a 6BR that fed pretty well on a Stiller w/700 parts also. That 6BR fed the heavier bullets better. I think 105s tend to feed better than say 70s, as they did not get tilted up quite so much by spring pressure.

I enjoyed my TCU for mild firing behavior, but for me, it lacked the power and reach of the BR, as the BR nips on a 243. I would personally feel good about a 6TCU or 6x45 to about 250 yds on deer/hogs, that being based on my experience. Sure they can be stretched. Just all depends on ones needs. Alot of folks do pretty well w/fast twisted 223/AI shooting heavies, if their game laws allow it.

Enjoy your build.