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Message
re: Rifle help
Posted on 9/7/20 at 8:32 pm to MidSwerve32
Posted on 9/7/20 at 8:32 pm to MidSwerve32
Clean it
If that doesn’t work, drop a different scope in the rings and see how it does
Allow the barrel to cool between shots
If that doesn’t work, drop a different scope in the rings and see how it does
Allow the barrel to cool between shots
0
Posted on 9/7/20 at 8:36 pm to MidSwerve32
quote:
I’m also putting the gun in a lead sled so I know it’s not me.
You can still jerk the trigger in a lead sled, and depending on the design of it can put inconsistent pressure on the gun somewhere and cause fliers.
Only way you’re gonna know for sure is to shoot another rifle that someone else can group and rule that out. Next would be ammo, try some new stuff. Not unheard of for a scope lens to get loose. A gunsmith would have made sure the barrel isn’t getting pressure from the fore end and the action screws are tight, but that’s where to look if you make it that far.
Posted on 9/8/20 at 10:16 am to TheDrunkenTigah
Get a Leupold scope. Nikon's are notorious for failure/inaccuracy. I heard recently they are getting out of the riflescope biz, sales everywhere.
Posted on 9/8/20 at 10:19 am to MidSwerve32
x-bolts are very hit or miss.
you may have gotten a miss
you may have gotten a miss
Posted on 9/8/20 at 7:41 pm to MidSwerve32
I don't claim to be a weapons expert, but I've shot a lot of guns through the years, some of which had accuracy problems. This is how I approach the problem. You're going to have to work through a stepwise process to figure it out. Sorry this is long, but that's just how it is.
Based on current info, I'd suspect: a damaged crown, a problem w/ the scope, a problem w/ the rings/base or a problem w/ the action screws. Erratic shots sound more like a problem w/ the scope, ring, mounts or action screws. A pressure point seems less likely. If there's a problem w/ a pressure point, the shots will gradually move in the direction AWAY from the pressure point.
1. Rule out a problem w/ the scope by changing to a scope you already know to be RELIABLE.
2. Remount the base, using BLUE Loc-Tite (NOT red). I always use the $10 Weaver bases, even on my prairie dog handguns. Easy, and cheap enough, to try your rifle w/ a Weaver base. ETA: Before installing the scope base w/ Loc-Tite, individually check the length of each screw. Put the base in place, then screw in a screw into the intended hole. If the base is not TIGHT, the screw is too long. If the screw is too long, cut off the excess w/ a Dremel tool or get a new screw. It should have a minimum of 3 threads for it to have adequate strength. If it doesn't, it's too short and will need to be replaced. Repeat this step w/ each screw in a different hole.
3. Remount the rings. I don't use Loc-Tite on the rings. Be sure the screws attaching the upper/lower rings are equally tightened. If the rings have not been lapped, do so. If you don't have the equipment to lap them or don't feel comfortable doing it, change the rings to Burris Signature Z-Rings (the ones w/ plastic inserts). You can damage the scope by clamping it down too tight in the rings. For example, Vortex only recs 18 ft lbs torque on the rings w/ their scopes.
4. Check for any high spots in the barrel channel or action part of the stock.
6. Check the action screws. Be sure they have the correct amount of torque. Check the 'net to see for any specific tips about the X-Bolt action screws.
6. Use a torque wrench (and follows it's recs) to adjust the mount, rings and action screws. I like the "Fat Torque Wrench" by Wheeler Engineering.
7. Try different ammo. Sometimes a gun barrel needs more than 3-4 shots w/ a particular load before it starts shooting that load well.
8. I don't worry to awfully much about letting a barrel cool down entirely between shots. A well bedded gun should be reasonably accurate even w/ a hot barrel.
9. Be sure the crown is not damaged.
10. Be sure the gun is clean, but use the proper equipment, i.e. a one piece steel rod (appropriate caliber) w/ a good bore guide. More gun barrels are ruined more by poor cleaning technique than by being dirty.
11. Use ammo that's known to shoot well in the gun.
If it's not reasonably improved w/ the above, I bet it's a more serious problem w/ the barrel/action itself. Good luck and keep us updated.
ETA: Downshift asked a very important question that I don't see answered yet.
Based on current info, I'd suspect: a damaged crown, a problem w/ the scope, a problem w/ the rings/base or a problem w/ the action screws. Erratic shots sound more like a problem w/ the scope, ring, mounts or action screws. A pressure point seems less likely. If there's a problem w/ a pressure point, the shots will gradually move in the direction AWAY from the pressure point.
1. Rule out a problem w/ the scope by changing to a scope you already know to be RELIABLE.
2. Remount the base, using BLUE Loc-Tite (NOT red). I always use the $10 Weaver bases, even on my prairie dog handguns. Easy, and cheap enough, to try your rifle w/ a Weaver base. ETA: Before installing the scope base w/ Loc-Tite, individually check the length of each screw. Put the base in place, then screw in a screw into the intended hole. If the base is not TIGHT, the screw is too long. If the screw is too long, cut off the excess w/ a Dremel tool or get a new screw. It should have a minimum of 3 threads for it to have adequate strength. If it doesn't, it's too short and will need to be replaced. Repeat this step w/ each screw in a different hole.
3. Remount the rings. I don't use Loc-Tite on the rings. Be sure the screws attaching the upper/lower rings are equally tightened. If the rings have not been lapped, do so. If you don't have the equipment to lap them or don't feel comfortable doing it, change the rings to Burris Signature Z-Rings (the ones w/ plastic inserts). You can damage the scope by clamping it down too tight in the rings. For example, Vortex only recs 18 ft lbs torque on the rings w/ their scopes.
4. Check for any high spots in the barrel channel or action part of the stock.
6. Check the action screws. Be sure they have the correct amount of torque. Check the 'net to see for any specific tips about the X-Bolt action screws.
6. Use a torque wrench (and follows it's recs) to adjust the mount, rings and action screws. I like the "Fat Torque Wrench" by Wheeler Engineering.
7. Try different ammo. Sometimes a gun barrel needs more than 3-4 shots w/ a particular load before it starts shooting that load well.
8. I don't worry to awfully much about letting a barrel cool down entirely between shots. A well bedded gun should be reasonably accurate even w/ a hot barrel.
9. Be sure the crown is not damaged.
10. Be sure the gun is clean, but use the proper equipment, i.e. a one piece steel rod (appropriate caliber) w/ a good bore guide. More gun barrels are ruined more by poor cleaning technique than by being dirty.
11. Use ammo that's known to shoot well in the gun.
If it's not reasonably improved w/ the above, I bet it's a more serious problem w/ the barrel/action itself. Good luck and keep us updated.
ETA: Downshift asked a very important question that I don't see answered yet.
quote:
First question: did it ever shoot good?
This post was edited on 9/8/20 at 7:43 pm
Posted on 9/8/20 at 8:14 pm to TigerOnThe Hill
I used to cuss ammo, rings, action screws, and moon phase until I spent some time on a set of bags and really learned to squeeze a trigger. Ammo, rings, action screws and moon phase sure have improved over the years.
Posted on 9/8/20 at 11:25 pm to MidSwerve32
I have a marlin .270 that shot great for several seasons (about 1-1.5” groups). It stayed in the safe for about a year and hasn’t shot less than 4” groups since. I’ve cleaned it a dozen times, changed rings and scope, crown looks good, and tried 4 different rounds (3 weights from 2 manufacturers). Finally put it back in the safe. Maybe I’ll pull it out again one day and look at floating the barrel and bedding the action. But short of that, I’m clueless. Hopefully you have better luck than I did. I gave up and hunt with other rifles now.
Posted on 9/9/20 at 12:09 am to TheDrunkenTigah
quote:
Ammo, rings, action screws and moon phase sure have improved over the years.
HaHa!!
Posted on 9/9/20 at 12:15 am to MidSwerve32
One other point. Some stocks have a pressure point at the tip of the fronend while some don't. If it has a pressure point, you cn always sand it off and see if it shoots better. If it doesn't have a pressure point, you can make one by adding some folded up business cards and see if that helps the accuracy.
Posted on 9/9/20 at 3:41 pm to MidSwerve32
Have you let someone else shoot it to isolate whether it’s you or the gun first?
Posted on 9/9/20 at 4:28 pm to Purple Spoon
Swerve done hauled arse - I guess he got it shooting right.
Posted on 9/9/20 at 5:44 pm to White Bear
Probably just let someone else shoot it. Lol.
Posted on 9/9/20 at 9:29 pm to MidSwerve32
Not sure about the X-Bolt but my A-Bolt shoots .5” groupings at 100 yards, but it didn’t originally. Here what I did/used to get that grouping:
First, I ran a dollar bill between the barrel and fore end. If the bill doesn’t slide freely down the barrel, then you need to remove some material from the stock until it doesn’t touch
Second, I utilized lock tight and torqued the stock screws to 40 inch pounds - tightening them evenly
Third, I had the trigger worked and adjusted to 2.5 pound pull (Eduardo Chahin in Baton Rouge)
Fourth, utilized Burris tactical rings and lapped them and torqued all screws. Do not over tighten your ring screws - it can cause issues
Finally, I tried different ammo and found that Federal Premiums were much more accurate compared to Winchester or other brands
Hope this helps - good luck!
First, I ran a dollar bill between the barrel and fore end. If the bill doesn’t slide freely down the barrel, then you need to remove some material from the stock until it doesn’t touch
Second, I utilized lock tight and torqued the stock screws to 40 inch pounds - tightening them evenly
Third, I had the trigger worked and adjusted to 2.5 pound pull (Eduardo Chahin in Baton Rouge)
Fourth, utilized Burris tactical rings and lapped them and torqued all screws. Do not over tighten your ring screws - it can cause issues
Finally, I tried different ammo and found that Federal Premiums were much more accurate compared to Winchester or other brands
Hope this helps - good luck!
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