Over Heating
I've read that you want to be careful about how many rounds to put through your gun at a time. The claim is you will get yur gun too hot if you shoot without letting it cool. Is their a real worrie about this?
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IF THE STOCK STARTS TO SMOKE YOU ARE SHOOTING TO FAST. SERIOUSLY, IF THE BARREL GETS TO HOT ACCURACY (PRCISION) WILL SUFFER. BARREL WEAR WILL NOT BE APPRECIABLY EFFECTED UNLESS YOU ARE GOING FULL AUTO (PERSONAL EXPERIENCE, VIET NAM, M-1919A4 & M-60). WHEN YOU START THROWING SPARKS YOU ARE LOOSING RIFLING. 0 -
There is a concern that allowing the barrel to get too hot will increase throat erosion (most seem to concur and it makes sense to me). Point of impact may also change as the barrel heats up (unless it is truly free floating) as thermal expansion will cause stock and /or receiver stress thus shifting POI.
Basically, what you are doing (other than maybe having fun) is wasting lead. Hard to practice or learn anything when you don't know what is happening to the POI.
Quod principi placuit legis habet vigorem.Semper Fidelis0 -
I havent even shot my gun yet. I'm not doing anything until I find out everything I need to know. 0 -
What MikeWhiskey said. If you want your barrel to last don't shoot a full 40 round mag in 10 seconds. I gets too darn hot and will burn out. Helicopter crews in 'nam carried extra barrels for this reason. I was once a tactical air coordinator on a mission where a CH-46 crew burned out 7 barrels extracting recon Marines. They were in some deep shit, but the Marines came out without a scratch.
PC=BS0 -
On a more practical note, if the barrel is allowed to get too hot, it will change the point of impact on some rifles.
My 300 Weatherby with the light bareel will put the first three shots touching at 100 yds, but the fourth will high and to the left 4".0 -
rsnyder55: Right on the money. A hot barrel will start walking
shots. Hotter means worser. However the day of "spray and pray is here". When I fired competition with my Rem. 40X .308 even in the
N.M.C. rapid fire section, after the 6th or 7th round the group enlarged. Possibly either co-efficient of metal expansion or change
of barrel vibration. In slow fire we used all the time allotted for
barrel to cool between shots.0 -
There is not much left to say these guys sound more than qualified to answer your question. I can sure tell you you can ruin a good barrel by overheating it. AS the U.S. military use water to cool the barrels of some of there mounted machine guns.However when breaking in a new barrel some advise to shoot the rifle until the barrel gets hot,not overly hot. Then clean the barrel and repeat the process about three times. IT works for me, and it is good for accuracy as well. Hope this helps.
Rugster0 -
At the last gunshow, I saw a gal with short-shorts and tight top holding an AUG ... I was overheating ... that was some AUG
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Sometimes the most obvious, is the most elusive!kimberkid@gunbroker.zzn.com0
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