Jun 17, 2020 · The whole chambering and chatter thing I don’t see it. We ourselves chamber in excess of a 1000 barrels a year and probably 60% of those are 5R style rifling and we don’t see any issues vs a 4 groove or 6 groove barrel. I’ve maintained for several years now that the 5R style rifling does help fight bullet failure.

Jun 28, 2017 · Correct me if I'm wrong, but what made 5R famous was its enhancement over other geometries of cut-rifling . . . with the catch being that we were always talking about cut-rifling. I see now that manufacturers are using the "5R" label on both hammer-forged and button-rifled barrels. Apples to oranges to bananas . . .

Sep 11, 2020 · I don't believe a 5R the bullets seal better and you get more velocity as some claim. What I do believe in is that the 5R (odd number of grooves) and the gentler angle on the sides of the lands help with distorting the bullet jacket less and this helps with bullet failure. Especially with some of the thin style match jacket bullets.

Nov 16, 2018 · My 5R Gen 2 in 6.5 Creed needed skim bedding on top of the aluminum bedding blocks to get it repeatably under a half inch. I also dropped in a Jewell and am very impressed with the way it shoots. By the way I've now had two EGW scope rails that I've had problems with and can't even get a reply from EGW for fixes.

May 7, 2014 · The 5R's benefits are in the design of the rifling. The design of 5R rifling has offset lands & grooves which causes less bullet deformation, which is supposed to lead to more accuracy from a less deformed bullet with equally applied pressure as it travels down the bore.

Nov 20, 2017 · Even conventional. 5r just has more cant. There is also a large variation from manufactures on their 5r style. In certain target applications I am strongly against 5r barrels for accuracy reasons. In general for raw accuracy in competition like Benchrest you will see 4 grooves out perform 5r style barrels where slight differences in groups size ...

Feb 3, 2017 · I have gone through barrels in both 5R and conventional barrels in 308W for various competitions, many which involve long strings, in summer weather where the barrel gets very hot. My impression is that, while basic accuracy and barrel life(.25-.5MOA loss at 2000-2500 rds.) is comparable, the 5R seems to hold its accuracy and zero longer before ...

May 20, 2011 · Re: Remington 700 SPS AAC or is the 5r worth the extra If you're going to keep the rifle fairly stock, get the 5R. I'm not a an accurate shooter by any means and my first 5 rounds through my friend's 5R made a 0.654 MOA group with FGMM. A week later, I shot it again with his handloads and fired a 0.499 MOA group.

Feb 8, 2013 · I have been looking at rifles on this web site for quite some time now and I am looking into purchasing a a new rifle. The caliber will be .308 and it will be used for target shooting at 300-500 yards. My biggest question is if the remington …

Mar 6, 2020 · Most 5R barrels are copper magnets- less grooves is always best.. 6 groove is standard- The more powder you burn w/ lighter bullets, the less twist your gonna need.. to be accurate BR shooters use 6mm w/ 13.5-14 twist using 65-68gr bullets.. 80 gr requires a 12 twist..