After almost thirty years in the gun business I have learned one thing that you can count on from one year to the next; as soon as the 4th of July passes, fall hunting seasons change from next season to “THIS SEASON” overnight. It’s time to get your guns out and make sure they are ready for this season’s hunts. First and foremost, you want to repair those little things that broke last year. At the time you said, “No problem, I have a year to take care of that.” Bad news… your down to a few weeks now.
Minor repairs are not the only things to consider. Remember last year you swore you would have a better trigger before you took this gun out again? Or, maybe you planned to have the stock bedded to improve accuracy. Many shooters discover that the old scope is just too hard to see through in low light, after looking through their buddy’s scope one frosty morning last fall a new scope became a priority. Even if you’re sticking with an old scope make sure the scope mounts and rings are tight and that none of the screws have broken off. You would be surprised how many accuracy problems are simply loose scope mounts and rings.
A mistake that many shooters make when cleaning a barrel is to think that if a little cleaning is good them MORE will be better. If solvent is left in the bore too long, some of them have the ability to pit the bore, especially those solvents containing ammonia. For best results and accuracy, stick to the manufacturers instructions. When your done cleaning it’s a good idea to wipe the bore down with a patch soaked with oil, like Rem OilÒ, Tri-FloÒ, Break FreeÒ, or one of the other high quality gun oils. This will protect the bore in storage, be sure to wipe the bore dry with a patch or two before firing as oil in the bore can act like an obstruction and increase chamber pressure.
Once you have all the repairs and upgrades taken care of and the gun is clean its time to sight in. If your rifle is unchanged from last year, and it was sighted in correctly at that time, then you can go straight to a 100-yard range for sight in. If you have new sights or a new scope it is easiest and fastest to start the sight in process at 25 yards. If your gunsmith collimated or “bore sighted” your gun in the shop that only promises to put you on the paper. By starting close you can fire three shots to be sure where its grouping, then adjust the sights or scope accordingly. Then fire another three shot group. Once you’re centered up on the bull it’s time to move out to 100 yards and fire another group. By starting in close at 25 yards you can save a ton of ammo, it can be hard to make adjustments if your not on the paper, at 25 yards the odds are pretty good that you will be on the paper if the gun has been bore sighted.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbKa6aBDPWadkwBpVf7kU5I_ETY24K3Z-jFQMknPLdjiSTJrsp8sr4NH6eJVh5blyOtA2-P-l55c_h0C2_EyhAZ0OsK6_pg7GBmUlsWvLAqZtrroN-doWFmToCXLevzNCWlgQvhvQsBp4/s400/blogbanner.jpg)
Cartridge / Bullet Wt. | Velocity Feet Per Second | Point of impact @ 100 yards | Trajectory Peak (3” high) at __ Yards | Target “zero” in Yards | Maximum Point Blank Range (3” low) at Yards | 10″ Holdover in Yards |
243 Winchester 100gr.
|
2960
|
+2.63
|
138
|
243
|
284
|
348
|
25-06 115gr.
|
2990
|
+2.6
|
141
|
247
|
290
|
355
|
260 Remington 140gr.
|
2750
|
+2.75
|
130
|
228
|
268
|
330
|
270 Winchester 130gr.
|
3050
|
+2.84
|
123
|
216
|
253
|
312
|
7mm-08 140g.
|
2800
|
+2.7
|
134
|
238
|
279
|
348
|
7mm Remington 175gr.
|
2850
|
+2.67
|
136
|
240
|
282
|
347
|
30-30 Win. 150gr.
|
2390
|
+2.98
|
106
|
182
|
211
|
258
|
30-06 180gr.
|
2700
|
+2.79
|
127
|
223
|
261
|
322
|
338 Win. 225gr.
|
2920
|
+2.64
|
138
|
242
|
284
|
349
|
35 Whelen 200gr.
|
2675
|
+2.83
|
123
|
215
|
251
|
316
|
375 H&H 300gr.
|
2530
|
+2.87
|
120
|
212
|
248
|
307
|
The load data in this table is derived from published factory load data for the specific cartridges. Sights are assumed to be 1.5″ above the center of bore for these tables, as most scopes are at this height. |
Much of the reason for long delivery time for custom work is that it is handwork. It requires the personal attention of an experienced gunsmith; most of them only have two hands. Then of course there is the perennial problem with days being limited to 24 hours. Bottom line, if your gunsmith has good references, be patient and you will get top-notch workmanship.
Good Luck, THIS SEASON!
by Fred Zeglin
http://gunsmithtalk.wordpress.com/
No comments:
Post a Comment