Amon458
AH veteran
Does anyone know how hard it is to convert these to other calibers I know I will need to cut and weld the mag box so it will fit the cartridges. Im looking at using this for a long range rifle.
Amon458Does anyone know how hard it is to convert these to other calibers I know I will need to cut and weld the mag box so it will fit the cartridges. Im looking at using this for a long range rifle.
The BongoThe British army converted many .303s to 7.62/.308. Enfields were also made in .7.62 in India for years, and are good solid cheap guns. It may be cheaper and less hassle to find one of these if you want a larger calibre classic rifle.
In the US the P17 or P1917 is a 30-06 P14. They made about 2.5 million so finding one may well possible.
The P14 can certainly handle a rimless cartridge!
Bruce mouldsfirst of all, what do you mean by long range?
then what targets?
if big game, you need a powerful enough cartridge to deliver required energy at the long range.
if targets or game, you need accuracy.
you need to be able to access bullets for the job in the calibre you choose.
1 moa is 1" at 100 yds, but 10" at 1000 yds.
but id does not go like that. a 1" at 100 rifle will mostly shoot bigger than 10" at 1000.
the things to consider when chasing accuracy are barrels, bedding, stocks, triggers, and actions.
as you mentioned actions, the others will not be discussed.
for a rifle to be as accurate as possible the action must have an absolutely flat bedding area, and the bolthole must be absolutely parallel to this.
the bolt should have minimal clearance in the bolthole.you will have to true the bolthole and drill it to be dead straight.
then the bolt must be straight, and by the time you do this work, you will have to bush the bolt to get minimal clearance in the hole.
the locking lug recesses must be square to the bolthole, and the lugs themselves square to the bolt to bear evenly.
the front of the action must be square to the bolthole, and the recoil lug flat and square to the bolthole.
the thread hole must be central to the bolthole, and the threads single point chased out to hold a correctly fitted barrel dead true.
you will need to shorten the locktime, and add a really good trigger. this does not include timney or the likes.
to get a good trigger to fit a p14/m17 might not be easy.
a set of scope bases with 20moa or other taper must be fitted true and straight so that the scope adjustments are as central as possible for most use.
the cheapest action to do this work to is the rem 700, and to buy one and do the work will cost as much as a bat, stolle, or nesika bay.
the p14/m17 will cost much more. to get up to spec.
don't ask me how I know this.
bruce.
PaulI did one of these a few years ago. It makes a nice conversion. The pattern 14 already has the proper bolt face for magnum cartridges. Mine is a .375 H&H. Also, it is a long action so just about any cartridge can be made to fit. The biggest headache is cutting the rear sight ears off and re-contouring the bridge. Most have an oval recess under the sight that should be filled. Remington made actions do not have the recess so are preferable. I re-barreled, put on a new bolt handle, (not necessary), put in a Timney trigger and restocked. I did cut the mag box, but it isn't necessary, just cosmetically better. I used a fiberglass stock and the stock seems to tame some recoil. Of course, it has to be drilled and tapped for scopes and sights. I can send some pictures if it would help.
Brucebob,
for conventional sane range hunting you are right.
but for long range now even a trued and sleeved Remington 700 can't cut it against stole, bat, etc.
one reason I did not mention earlier is those actions have 1" of thread for the barrel to screw into.
stiffnees, straightness, and tightness are not a priority with military rifles.
in fact they are to be avoided at all costs in favour of absolute reliability, and the 2 things are at opposite poles.
shooting a t long range requires a rifle and load (and shooter and wind reading) that can absolutely put all its shots in very small groups.
horses for courses.
bruce.
Von GruffBUILDING AN ACCURATE RIFLE
bob, your questions are all valid, and I asked some of them of the o.p.Bruce
Stolle and panda are beautiful actions but it's horses for courses.
What range
What accuracy is needed
Whose building it
And what will it be used for game or target
What weight
How big is my wallet.
Military rifles were built for absolute reliability not good looks and outstanding accuracy but you can build beautiful accurate game rifles from them.
Cheers mate Bob
Brucebob, your questions are all valid, and I asked some of them of the o.p.
I built my 7mmstw to explore some of them.
the first thing I found was that at those speeds getting a bullet to perform terminally at close range and long range was very difficult.
virtually no bullet that performs at close range has a high b.c. to minimize wind deflection.
then came the difficulty of judging range.
that was overcome by buying a range finder.
with sight settings stuck on the butt, I could wind the elevation to the required setting quite accurately.
doing this, it became apparent that wind deflection was now the issue.
a wind measuring device seemed the answer, but guess what - it inly tells you what the wind is where you are, and not all the rest of the distance to the target.
even with that cartridge, and limiting shots to a max of 600 yds, the wind can easily blow a bullet clean off a goat or deer.
a clean miss can be accepted, but a wounding shot cannot, particularly when energy levels have significantly dropped off.
also, getting into a sufficiently stable position to make such shots in the field is not always possible.
now I use that rifle zeroed at 300 yds and point blank to 350, out to 400 yds with a backline hold at 400, and then only aim on fur, doing no sight adjustments, and only then with a good rest.
some would not call that long range, but I think 300 is a long shot under field conditions.
for this work, your m17, a m70, or a rem 700 or mauser 98 are adequately accurate.
and they function reliably in the dust etc.
bruce.
Brucebob,
when I discovered the wind problem, I took up fclass to try to learn about it.
it became a disease more than 25 years ago and there is no cure.
what it taught me is that with wind flags every 100 meters, even the best (not me) have wider groups than higher ones, assuming load and gun are on song and vert is minimized and technique is consistent.
also wind is not consistent all the way to the target, sometimes completely changing direction down range.
overlaying my plotsheets on game size sheets shows the futility of shooting at game past certain distances without flags.
and the fclass rifles weight nearly 10kg and are shot off benchrest rests, and you can control your heart and breathing because you have not been walking or running, and you have a while to get set up.
at the risk of offending our long range brethren, there are some serious wankers out there claiming to be able to deliver killing shots at 800+ yards with consistency.
and most of them do not take terminal performance of the bullet into account.
the marketing machine has been successful in convincing the great unwashed into believing that such shooting is now the norm.
bruce.