sasquatch981 Posted August 19, 2015 Share Posted August 19, 2015 Just shot the Oregon 3Gun Championship in bend and had a great time. Shot a gazillion slugs, and was having difficulties. They shoot 6-8" left, even with the Gobble-Dot adjusted all the way to the right. I have heard of people whacking the barrel against a tree to solve this problem, but the idea of taking an $1100 shotgun and hitting a tree with it does not sit well with the little lizard brain I have. Any ideas? Thanks Link to comment Share on other sites More sharing options...
P.E. Kelley Posted August 19, 2015 Share Posted August 19, 2015 Did they shoot ok before the match? Link to comment Share on other sites More sharing options...
WidowsSon683 Posted August 19, 2015 Share Posted August 19, 2015 Have you tried aiming 6-8" right to determine if it is a weapon problem or user error. It could also be the ammo, so try with different brands. Link to comment Share on other sites More sharing options...
sfinney Posted August 19, 2015 Share Posted August 19, 2015 You would be amazed how differently various brands will shoot, as far as POI vs POA. Try a few. Link to comment Share on other sites More sharing options...
roxymajor Posted August 19, 2015 Share Posted August 19, 2015 I turn out a lot of A5s and they are pretty on poa/poi with the factory sights. They shoot a little high at 50 yards, windage dead on. After trying different slugs... How did it shoot WITHOUT the Gobble-dots sights? The original question is, did it shoot that left with the original factory sight? Can you take off "Gobble-dot" sights and test. If still that bad with original sights, CALL BROWNING! Link to comment Share on other sites More sharing options...
sasquatch981 Posted August 19, 2015 Author Share Posted August 19, 2015 Sorry should have given a little information before. Have shot several different loads slugs through before the match. B&P's Perfect POI and POA, but won't cycle Fiocchi full power and low recoil All shot furhter left Federal Law Enforcement Low Recoils, Federal Penetrator Low Recoils all shoot left Breneke were not even on paper This was all done before the match, and hence the reason for the Gobble dot. Once the sight was on and adjusted still shot left. The frustrating part is I have a case of the B&P's!!!! Link to comment Share on other sites More sharing options...
kurtm Posted August 19, 2015 Share Posted August 19, 2015 I'd be more concerned that B&P slugs don't run it. The very few Brownings I have played with all ran those just fine, but every shotgun is different. I.E. My old M1 doesn't really like to run with more than 5 B&P slugs in it, and yet my "newer" M1 will. Link to comment Share on other sites More sharing options...
Garmil Posted August 19, 2015 Share Posted August 19, 2015 I'd be more concerned that B&P slugs don't run it. The very few Brownings I have played with all ran those just fine, but every shotgun is different. I.E. My old M1 doesn't really like to run with more than 5 B&P slugs in it, and yet my "newer" M1 will. Have seen a few that wouldn't run them. Link to comment Share on other sites More sharing options...
kurtm Posted August 19, 2015 Share Posted August 19, 2015 Good to know, thanks! Guess it is just another example of how it isn't as much of a "game changer" as purported. Link to comment Share on other sites More sharing options...
sasquatch981 Posted August 19, 2015 Author Share Posted August 19, 2015 Does anyone know if there is a smith out there that lightens A5 Bolts like the Benelli's? If so, that might be the ticket to run the B&P's. Link to comment Share on other sites More sharing options...
amccallister Posted August 19, 2015 Share Posted August 19, 2015 Taking weight out of the bolt does not make a gun run lighter loads. Lightening the bolt in an inertia gun is done to make it cycle faster, making it harder to outrun the trigger. I can outrun a stock Benelli pretty repeatably, I have yet to outrun one of mine since they have had the TTI package done on them. Link to comment Share on other sites More sharing options...
sasquatch981 Posted August 20, 2015 Author Share Posted August 20, 2015 Then what makes an inertia bolt move faster? If a light load is what makes the bolt move, wouldn't a lighter one move faster, as there is no gas system bleeding off the pressure? Link to comment Share on other sites More sharing options...
hartofthethumb Posted August 20, 2015 Share Posted August 20, 2015 Then what makes an inertia bolt move faster? If a light load is what makes the bolt move, wouldn't a lighter one move faster, as there is no gas system bleeding off the pressure? I am by no means an expert, but as I understand it, basically.... When you fire, the mass of the bolt moving forward against the rest of the mass of the gun coming back will load the inertia spring, which then cycles the gun. The lighter the bolt, the less it will load the spring, meaning less energy in the spring then to cycle the bolt. Link to comment Share on other sites More sharing options...
Blaster Posted August 20, 2015 Share Posted August 20, 2015 With my A5 it will not cycle fiocchi low recoil.federal low recoil works fine but shoots high left. last weekends 3gun match I could hit 50yd slug targets but not 75yd Link to comment Share on other sites More sharing options...
sasquatch981 Posted August 20, 2015 Author Share Posted August 20, 2015 Physics man, physics, said the hairy mythical creature!!! Link to comment Share on other sites More sharing options...
T Bacus Posted August 20, 2015 Share Posted August 20, 2015 (edited) In an inerta gun you would need a lighter bolt return spring to cycle lighter loads. Less resistence to the bolt moving to the rear allows it to cycle with less energetic loads. The down side is less energy moving the bolt back into battery which can just as easily cause problems in a semi-auto shotgun. Edited August 20, 2015 by T Bacus Link to comment Share on other sites More sharing options...
The Donald Posted August 20, 2015 Share Posted August 20, 2015 Go practice without the stress of shooting a match. Try different slugs, distances and record the results. More than likely you will not need to bend the barrel. You may need to have the rib milled to install a rear sight. Getting a shotgun to shoot slugs takes some patience. Link to comment Share on other sites More sharing options...
Phil Dunlop Posted August 20, 2015 Share Posted August 20, 2015 my Benelli does the same thing. I did two things to get the right point of impact, I took the cast off shim out of the gun and I pivoted the fibre optic seven squillionths of an inch to the left before loctiting it back down. It shoots spot on now, though I did plant a tree in the back garden in case my mods didn't work P.D. Link to comment Share on other sites More sharing options...
billdozer Posted August 20, 2015 Share Posted August 20, 2015 Kurts ripping on one a5 not shooting poa, when they had to make a jig to get the venerable m2 hit poa...but no, i don't think it's a game changer either. Lol Link to comment Share on other sites More sharing options...
kurtm Posted August 20, 2015 Share Posted August 20, 2015 And now all we need is a jig to WELD the A5 back together after it breaks at the front of the receiver! It won't shoot B&P slugs AND it's POI is off. Least with the spaghetti slinger it was only one problem Link to comment Share on other sites More sharing options...
T Bacus Posted August 20, 2015 Share Posted August 20, 2015 Kurt, a two piece shotgun fits better in most range bags. Game changer! Link to comment Share on other sites More sharing options...
bmiller Posted August 20, 2015 Share Posted August 20, 2015 And now all we need is a jig to WELD the A5 back together after it breaks at the front of the receiver! It won't shoot B&P slugs AND it's POI is off. Least with the spaghetti slinger it was only one problem Wonder if JB Weld would sponsor a team?? Link to comment Share on other sites More sharing options...
Vlad Posted August 20, 2015 Share Posted August 20, 2015 So .. how straight is your rib? Something I discovered with my M3000 is that being a relatively inexpensive Turkish gun, sometimes the dude with the hammer and the welder might be a bit drunk. In my case, and I may be unique as so far I'm the only case I've heard about, the rib is not quite perfectly straight on the barrel, it is a VERY tiny smidge to right of the receiver and a bit more to the left by the time it gets to the muzzle. That means that if I have a front and rear sight mounted on the rib and actually use to aim after I have them nicely aligned it will shoot to the right. That means that I have to drift my rear sight quite a bit to make it all work. In theory the Beretta/Benelli/Stoeger people will fix it, but they've advised me to not even bother sending it in until the end of the season because the wait time if 8-10 weeks (or was when I called them). I may even not bothered now that I know how to aim it for slugs and it makes little difference for birdshot. I wonder if other guns have this issue as well. Link to comment Share on other sites More sharing options...
bmiller Posted August 20, 2015 Share Posted August 20, 2015 My versamax has the holes for the rail on the top of the receiver drilled at a weird angle. Also the flat on the top of the receiver is milled at a strange angle. I would hope alcohol was involved, because I don't know how you turn out that kind of quality sober! Link to comment Share on other sites More sharing options...
oak hill Posted August 25, 2015 Share Posted August 25, 2015 Cut 3 coils off the action/recoil spring if you want to run low recoil slugs Link to comment Share on other sites More sharing options...
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