Guests - If You want access to member only forums on FM. You will gain access only when you Sign-in or Sign-Up on Fishing Minnesota.

It's easy - LOOK UPPER right menu.

  • Announcements

    • Rick

      Fishing Report Clubs - LIMITED MEMBERSHIP - Join Today - FREE   01/24/2018

      Fishing Minnesota had added a new menu item (see above) called Fishing Report Clubs. It's a way to keep the really good fishing reports coming and being shared only with those who also provide detailed fishing reports. We will only approve new members who request to join if they have already posted a recent fishing report in the area forum, associated with the Fishing Report Club area  you want to join. We are going to limit the number of regular memberships, in the Fishing Report Clubs, to the top 20  members in each Club, to those with the best frequency and quality fishing reports provided in the club and less so in the regular fishing report forum open to all members. The higher quality fishing report reserved for the club of course. If  you want fishing reports  around your area, I would Join Now, some of the clubs are starting to fill fast. Use the Fishing Reports Club link in the Menu above (after you've posted a fishing report in the regular area forum) and request to Join.
  • RECEIVE THE GIFTS MEMBERS SHARE WITH YOU HERE...THEN...CREATE SOMETHING TO ENCHANT OTHERS THAT YOU WANT TO SHARE

    You know what we all love...

    When you enchant people, you fill them with delight and yourself in return. Have Fun!!!

Sign in to follow this  
Whoaru99

Need help with muzzleloader sights.

Recommended Posts

Whoaru99

I have a CVA Hunterbolt and I have replaced the barrel-mounted rear sight with a Williams WGRS peep sight that is mounted to the rear most factory drilled/tapped scope mount holes.

I set the rear sight to mid-height on the ramp and fired off three shots at 10 yards. 10 yards should be my first line of sight crossing according to a ballistics program so I usually make first zero at that point then fine tune in at a longer distance from there.

The problem is that with the sight at mid-way up the ramp, I'm shooting 3.25" low at 10yd. I can get almost zeroed by moving the ramp way to the top, but then I have no more adjustments for other possible loads.

So, can anyone tell me how much I have to change the front sight (will require replacement I'm thinking) to put the gun close to zeroed at 10yds?

The front sight is approximately 0.98" above the bore center, and the rear at mid-ramp is about 1.09" above bore center. The distance between the sights is about 27.75".

Share this post


Link to post
Share on other sites
Whoaru99

I have found my answer here

But I am still scratching my head how it could be off that far at only 10 yards.

Share this post


Link to post
Share on other sites
Gordie

Whoaru99 could you possibly tell me where you picked up the peeps for your gun? and what the cost was? are you running a hooded sight on the front of your barrel? And thats a great link on how sights work I've got a traditions smoke pole that needs a taller front sight. thanks.

Share this post


Link to post
Share on other sites
Whoaru99

The rear peep was purchased at Cabela's in Rogers. The new front sight ramp, blade, and different peep apertures were ordered from Midway.

There were some places that better prices than Midway, but they had it all in stock vs. ordering bits and pieces from a couple different places.

You might just want to check the Williams Sights website. They might have a rear peep, front Firesight kit for yours.

If you have to piece it together (rear peep, different front firesight), it'll probably be in the $50-$75 range.

My front sight is not hooded. It's a red Firesight.

Share this post


Link to post
Share on other sites
lunker651

I think you need to have it zero in at 50yards. All my gun when I sight/zero at 50yards will shoot 1-2" low at 10 yards even with a scope. I don't think it's your sight that has a problem, you just need to zero it at a longer distance. Once zero at 50 yards then you can make the adjustments you need.

Share this post


Link to post
Share on other sites
Whoaru99

Quote:

I think you need to have it zero in at 50yards. All my gun when I sight/zero at 50yards will shoot 1-2" low at 10 yards even with a scope. I don't think it's your sight that has a problem, you just need to zero it at a longer distance. Once zero at 50 yards then you can make the adjustments you need.


I understand what you're saying, but with a scope I can understand being 1-2" low at 10yd because your scope is typically 1.5", give or take a bit, above the bore centerline. At 10yd there is just a tiny bit of drop, and the bullet trajectory is on it's way up, so that makes sense to me to be about that low.

My open sights are only an inch, give or take, above the bore C/L. So, an inch would be the most I'd expect to be low at 10yd considering the bullet trajectory should be going up at that range.

Also, I've used the first line of sight crossing method to sight in several rifles and it's always worked pretty good. Sight for dead on at the first line of sight crossing then you are at least close on paper further down range.

I'll give it (sighting at further distance) a try this weekend, but geometrically/mathematically, that much correction is a full 1/3" at the sights and there just isn't that much adjustment left.

I'll post a trajectory graph if I can figure out how to do that.

D:\My Documents\JoesDelay.gif

Share this post


Link to post
Share on other sites
Whoaru99

Quote:

Quote:

I think you need to have it zero in at 50yards. All my gun when I sight/zero at 50yards will shoot 1-2" low at 10 yards even with a scope. I don't think it's your sight that has a problem, you just need to zero it at a longer distance. Once zero at 50 yards then you can make the adjustments you need.


I understand what you're saying, but with a scope I can understand being 1-2" low at 10yd because your scope is typically 1.5", give or take a bit, above the bore centerline. At 10yd there is just a tiny bit of drop, and the bullet trajectory is on it's way up, so that makes sense to me to be about that low.

My open sights are only an inch, give or take, above the bore C/L. So, an inch would be the most I'd expect to be low at 10yd considering the bullet trajectory should be going up at that range.

Also, I've used the first line of sight crossing method to sight in several rifles and it's always worked pretty good. Sight for dead on at the first line of sight crossing then you are at least close on paper further down range.

I'll give it (sighting at further distance) a try this weekend, but geometrically/mathematically, that much correction is a full 1/3" at the sights and there just isn't that much adjustment left.

I'll post a trajectory graph if I can figure out how to do that.


Here's the chart that shows the trajectory being 1st zero at 10yd. The flatter trace is my scoped .223 for reference.

Zeroed1.gif

Share this post


Link to post
Share on other sites
Guest
This topic is now closed to further replies.
Sign in to follow this  



  • Your Responses - Share & Have Fun :)

    • JBMasterAngler
      Tried South Lindstrom today. Was able to mark some fish, but they were tight to the bottom, and would not move! Got 1 tiny perch. Was only out for a little bit, then the snow really started coming down. Talked to someone else, and they had the exact same results.
    • monstermoose78
      I have two boss toms at my dads and I think a strutter might be the ticket
    • IceHawk
      I'm really leaning to buying a mojo scoot and shoot amd trying that this year talk about a adrenaline rush. 
    • IceHawk
      I've used a full body full strut before can be good or bad depending on a birds mood at the time. In certain situations they can be a killer, 
    • Wanderer
    • Wanderer
      Shiners and suckers not needed for us this weekend.  The better pike were sucking down my wife’s crappie minnows on a demon in 20 feet.    
    • monstermoose78
      I have 3 avian x hens two feeders and one head up. I gave semi strut Jake as well.  I want to get a full strut
    • jlang_04
      Hey relax, I haven't been out since that weekend. With an 11 months old at home, fishing gets put to a halt quickly! I've been following the threads as much as I can. I know guys are catching crappies in the deeper water still, basins with the chance to go up to shallow. French is usually good for that but have heard Roberd's has come in late. Two weeks ago there were ice castle's everywhere and we were drilling to the end of the auger. I like Cedar too near Faribault because it's an easy access and typically holds fish. You'll have to let me know where you go and how you do! Fish on!  
    • IceHawk
      Have to Agree moose the turkeys are becoming a little smarter each year. Better decoys have definitely upped my odds last few years. Seriously considering those Dave smiths or some Avian X.  Moose what are you using for a setup combo with those Avians? My customs look nice but always looking for something better 
    • sunniewally
      Watching fish on the camera is really fun> One day a musky was being a real pia!  But it was fun watching him. Some days it's around some days not. today I saw him only once.  You sure can learn alot on what it looks like on your depth finder and how the fish are reacting to the different techniques a guy uses!  Have fun, good fishing!
  • Share & Have Fun