Recoil Comparison — .223 Rem vs. 6mmBR vs. .308 Win
Many visitors to the site ask us, “I’ve got a .223 and .308. What will a 6mmBR Norma (6BR) give me that I’m not getting already?” Well first you may well average somewhat smaller groups than your current .223 or .308 rifle (assuming the 6BR has a quality barrel and trigger). A good .308 Winchester can be superbly accurate, no question about that, but the lesser recoil of the 6BR works in the shooter’s favor over a long string of fire. Even with a Rem 700 or Savage action factory action, a 6BR with a benchrest stock, premium barrel, and a high-quality chambering job should deliver 5-shot groups in the high twos to mid-threes, provided you do your job. We have one 6BR rifle that shoots Lapua factory-loaded 6BR ammunition in the low twos and high ones. That’s exceptional, we admit, but it still shows how the 6BR is an inherently accurate cartridge, even with factory loads.
Compared to a .223, the 6BR offers a better selection of high-BC projectiles and small-maker match projectiles (such as Bart Sauter’s “Hammer” and the Vapor Trail line). The 6BR will also deliver considerably more power on the target. Compared to the .308 shooting 168gr MatchKings, a 6BR shooting 105-107gr bullets offers better ballistics all the way out to 1000 yards. (The story changes with .308s with very long barrels pushing the 180-210 grain projectiles). Plus, for most people, the 6BR is just easier to shoot than a .308. Recoil is less than half of the .308 Win cartridge. Both the .308 and 6BR chamberings offer good barrel life, but the 6BR uses 15-18 grains less powder, saving you money. Here’s how the 6BR stacks up vs. a number of popular calibers:
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Tags: .308 Winchester, 6BR, 6mmbr, 6mmBR Norma, MatchKing, Recoil Comparison Chart
The 1970’s called , and they want their 168gr MK’s back . Does anyone even shoot a 168gr anything in competition anymore ?
155gr 0.308 for short to medium range
190gr 0.308 for medium to long range
Everyone in the 308w competition world has shot the 185gr Berger Juggernaught for the last 20 years just like everyone shooting 6mm wildcats reaches straight for Berger 105’s. Compare the 105/107/109 Berger’s to an equivalent Berger for .30cal. You’re trotting out a damn 168gr SMK like anyone has shot that junk 1960’s compromise in the last 45 years!?
Custom machined Bullets??? That’s not the domain of 6mm… 30 cal has just as many.
The idea of this article is correct, but you’ve gone off in comparing apples to oranges and the entire article suffers for it.