Radical firearms 6.5 upper range report

[Major Kong]

That may be the way I go GM2.

I was planning on buying the complete rifle and switching out the mil-spec trigger anyways.

Might as well just buy the upper and get exactly what I want on the lower.

[tommag]

[/IMG]
This was 10 shots with 100 a max and 30.2 grs 8208xbr. My first shot from every mag seems to be a little wide to the left. It was cold and I think I can blame myself for the fliers.

[Jimmy]

It may be that your 1st shot goes left due a cold bore. Are you waiting between shots for the barrel to cool down. Just a thought.

[tommag]

Jimmy, I just rattled them off. Probably 30 seconds for ten shots.

[BarrelNut]

Great results. I have some 123 Amax's and CFE to try out in the radical upper. How do you like the brake? Effectiveness?

[Wstrachan]

I took my 24" 6.5 to the range today. Started with a box of 120 gr prvi. Not so good, around 2".
I loaded 35 rds. Lapua brass, 8208, and 100 gr vmax. I loaded 5 each from 28 to 30.8 grs. At 30.2 grs, I got a 4 shot group (one dud) that measured .426" Groups opened up a little with higher charges, to 1.25 or so.
This was on an 80% lower from modulus arms with a 3 lb timney.
Good start, but no time to do more for a couple weeks. I hope that group wasn't a fluke.

I just received my Radical 24" last week. finish and build is vey good. snapped it a charles daly lower (doubletarr). It shoots well unde .75" with two handloads. Under .5" with another (barnes 100 gr. TTSX). overall very impressed. My stock combat trigger sucks, making groups very difficult. I am on the verge of a new hiperfire trigger purchase. I have the RRA 2stage in another 5.56 build and It's good but I hear very good things about hiperfire and like the ability to take it down to 2#.
I,ve asked on anothe thread for pet loads.
Who's using CFE223? 100 - 120 grain loads?

[tommag]

Great results. I have some 123 Amax's and CFE to try out in the radical upper. How do you like the brake? Effectiveness?

Not sure what to say about the brake, as I have no frame of reference. I've never shot anything with a muzzle brake before.

[LRRPF52]

I just received my Radical 24" last week. finish and build is vey good. snapped it a charles daly lower (doubletarr). It shoots well unde .75" with two handloads. Under .5" with another (barnes 100 gr. TTSX). overall very impressed. My stock combat trigger sucks, making groups very difficult. I am on the verge of a new hiperfire trigger purchase. I have the RRA 2stage in another 5.56 build and It's good but I hear very good things about hiperfire and like the ability to take it down to 2#.
I,ve asked on anothe thread for pet loads.
Who's using CFE223? 100 - 120 grain loads?

CFE223 works great with 120-130gr. It can also be good for 100gr with a solid bullet that resists being driven into the lands more.

With 100gr, it's hard to get enough CFE223 into the case to hit excessive pressure. You can get up to 34gr of CFE with a lot of 100gr pills.

For the Barnes 100gr TTSX, I would start with 31.0gr and work up in .3gr increments. I used 33.9gr for a 94gr GMX solid custom with nothing even remotely indicating excessive pressure.

I need to work up a load with the 100gr TTSX, as I have several boxes of them. I really haven't done much in the way of load development with any 100gr Barnes yet that I can recall. I have done development with 120gr TSX, and it's a great powder for that bullet based on what I've seen.

[tj_farmer]

just a heads up RRA has 2 stage comp triggers on super sale for $62.00 plus shipping

[Got Patton?]

My brake has a pronounced gap between it and the bbl. Haven't tried to unscrew it, but it's obviously not part of the bbl. I did get some failure to eject. Ordered enhanced extractor spring kit. Next weekend I'll try it out and see if that cures it.

Tommag, I had ejection problems also with my Radical Arms upper. I removed the extractor and sanded the the sharp corners and rounded them just a little and it's working fine now. After 100 rounds so far no problems. I don't know if this is your problem, but you might want to check into it. I think you can check out my post on this issue by visiting my profile. I'm new here and still trying to figure the site out. Good luck if you haven't already solved it.

[tj_farmer]

Got Patton, are you impressed with your radical upper, how's accuracy?

[Got Patton?]

Got Patton, are you impressed with your radical upper, how's accuracy?

I love it! Especially for the price. I didn't have the extra money to go any higher, because I bought an AK also. If you click on my name and in the drop down menu click on view forum post, find where I posted (New guy from Las Vegas: Radical Arms 20" upper problem solved thanks to this site) then you can check out the pictures of the target and upper on my Rock River lower. I was breaking it in at the time with Privi ammo and shot about 13 shots at a 100 yards and kept in about an inch. Punched the center completely out check out my post to see the picture.

Let's see if this link works. Added after I emailed you.

http://www.65grendel.com/forum/showthread.php?11197-New-guy-from-Las-Vegas-Radical-Arms-20-quot-upper-problem-solved-thanks-to-this-site

[tommag]

Got Patton, I went the same route. The extractor was hanging on to the empties. A bit of contouring and it works just right.

[Byrddogwi]

Tommag, I had ejection problems also with my Radical Arms upper. I removed the extractor and sanded the the sharp corners and rounded them just a little and it's working fine now. After 100 rounds so far no problems. I don't know if this is your problem, but you might want to check into it. I think you can check out my post on this issue by visiting my profile. I'm new here and still trying to figure the site out. Good luck if you haven't already solved it.

My 20" complete Grendel from Radical had ejection problems. On the first outing it failed to extract numerous times. I sent it back and they said there was nothing wrong with it and they provided me a video of them shooting Hornady SST ammo without a problem. Unfortunately I have not had time to shoot it but will look at sanding the sharp corners if it is still a problem. Thanks for the heads up on this. Glad it is not just mine that has this problem.

They recommended that I don't shoot Wolf steel cased ammo. I only shot about 10 rounds of Wolf. I also shot PPU and Hornady and they and Wolf had FTE's. Do you see any problems with shooting Wolf steel cased?

Thanks,
Mark

[LRRPF52]

My 20" complete Grendel from Radical had ejection problems. On the first outing it failed to extract numerous times. I sent it back and they said there was nothing wrong with it and they provided me a video of them shooting Hornady SST ammo without a problem. Unfortunately I have not had time to shoot it but will look at sanding the sharp corners if it is still a problem. Thanks for the heads up on this. Glad it is not just mine that has this problem.

They recommended that I don't shoot Wolf steel cased ammo. I only shot about 10 rounds of Wolf. I also shot PPU and Hornady and they and Wolf had FTE's. Do you see any problems with shooting Wolf steel cased?

Thanks,
Mark

If someone is telling you not to shoot Wolf Steel case, which was engineered over a 7yr period to specifically work in 6.5 Grendel, something is off.