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Turkey Guns & Shooting => 20 Gauge Turkey Guns => Topic started by: WW on January 29, 2023, 01:25:38 PM

Title: 20 gauge 870 fieldmaster question
Post by: WW on January 29, 2023, 01:25:38 PM
I bought a new fieldmaster and have patterned it with the 562 and 570 sumtoy chokes. The gun is shooting 10-12 inches low at 40 yards. It's good at 20 yards... I want to keep the factory bead on my gun so an optic or aftermarket sight is a no go. What can I do to bring the pattern up? I really hate to sell the gun but I hate a gun that doesn't shoot straight.
Title: Re: 20 gauge 870 fieldmaster question
Post by: owlhoot on January 29, 2023, 03:14:03 PM
Are you using the bead to aim? Or point and shoot?
Barrel nut good and tight?
Title: Re: 20 gauge 870 fieldmaster question
Post by: WW on January 29, 2023, 03:54:39 PM
Quote from: owlhoot on January 29, 2023, 03:14:03 PM
Are you using the bead to aim? Or point and shoot?
Barrel nut good and tight?

I use the bead to aim. The nut is tight.
Title: Re: 20 gauge 870 fieldmaster question
Post by: skimerhorn on January 29, 2023, 04:47:03 PM
I'm not sure if they male them for a 870 but a shim between the butt stock and receiver would help
Title: Re: 20 gauge 870 fieldmaster question
Post by: b wilt on January 29, 2023, 05:24:25 PM
Maybe install a smaller bead?
Title: Re: 20 gauge 870 fieldmaster question
Post by: Matt76cmich on January 29, 2023, 06:23:42 PM
Quote from: WW on January 29, 2023, 01:25:38 PM
I bought a new fieldmaster and have patterned it with the 562 and 570 sumtoy chokes. The gun is shooting 10-12 inches low at 40 yards. It's good at 20 yards... I want to keep the factory bead on my gun so an optic or aftermarket sight is a no go. What can I do to bring the pattern up? I really hate to sell the gun but I hate a gun that doesn't shoot straight.

My 870 Fieldmaster came drilled and tapped and I put a FF3 on a Sumtoy mount on it with the factory bead in place. Also used a Meadow Creek rib mount with the factory bead in place.  I guess I'm not sure why you would have to remove the factory bead with an optic or aftermarket option. Am I missing something (honest question)?

Sent from my SM-G986U using Tapatalk
Title: Re: 20 gauge 870 fieldmaster question
Post by: WW on January 29, 2023, 08:23:05 PM
Quote from: Matt76cmich on January 29, 2023, 06:23:42 PM


Quote from: WW on January 29, 2023, 01:25:38 PM
I bought a new fieldmaster and have patterned it with the 562 and 570 sumtoy chokes. The gun is shooting 10-12 inches low at 40 yards. It's good at 20 yards... I want to keep the factory bead on my gun so an optic or aftermarket sight is a no go. What can I do to bring the pattern up? I really hate to sell the gun but I hate a gun that doesn't shoot straight.

My 870 Fieldmaster came drilled and tapped and I put a FF3 on a Sumtoy mount on it with the factory bead in place. Also used a Meadow Creek rib mount with the factory bead in place.  I guess I'm not sure why you would have to remove the factory bead with an optic or aftermarket option. I'm I missing something (honest question)?

Sent from my SM-G986U using Tapatalk

I meant that I want to use my bead and no optics. I've always liked the bead on my turkey guns and don't want to change now. The shim would be a good option but I'm not sure they make a shim for the 870?
Title: Re: 20 gauge 870 fieldmaster question
Post by: owlhoot on January 29, 2023, 09:04:36 PM
Quote from: WW on January 29, 2023, 08:23:05 PM
Quote from: Matt76cmich on January 29, 2023, 06:23:42 PM


Quote from: WW on January 29, 2023, 01:25:38 PM
I bought a new fieldmaster and have patterned it with the 562 and 570 sumtoy chokes. The gun is shooting 10-12 inches low at 40 yards. It's good at 20 yards... I want to keep the factory bead on my gun so an optic or aftermarket sight is a no go. What can I do to bring the pattern up? I really hate to sell the gun but I hate a gun that doesn't shoot straight.

My 870 Fieldmaster came drilled and tapped and I put a FF3 on a Sumtoy mount on it with the factory bead in place. Also used a Meadow Creek rib mount with the factory bead in place.  I guess I'm not sure why you would have to remove the factory bead with an optic or aftermarket option. I'm I missing something (honest question)?

Sent from my SM-G986U using Tapatalk

I meant that I want to use my bead and no optics. I've always liked the bead on my turkey guns and don't want to change now. The shim would be a good option but I'm not sure they make a shim for the 870?
Wouldn't think that a guy could get enough correction that way. Another puzzling thing is good at 20 and that low at 40.
Title: Re: 20 gauge 870 fieldmaster question
Post by: Matt76cmich on January 30, 2023, 09:25:57 AM
Quote from: WW on January 29, 2023, 08:23:05 PM
Quote from: Matt76cmich on January 29, 2023, 06:23:42 PM


Quote from: WW on January 29, 2023, 01:25:38 PM
I bought a new fieldmaster and have patterned it with the 562 and 570 sumtoy chokes. The gun is shooting 10-12 inches low at 40 yards. It's good at 20 yards... I want to keep the factory bead on my gun so an optic or aftermarket sight is a no go. What can I do to bring the pattern up? I really hate to sell the gun but I hate a gun that doesn't shoot straight.

My 870 Fieldmaster came drilled and tapped and I put a FF3 on a Sumtoy mount on it with the factory bead in place. Also used a Meadow Creek rib mount with the factory bead in place.  I guess I'm not sure why you would have to remove the factory bead with an optic or aftermarket option. I'm I missing something (honest question)?

Sent from my SM-G986U using Tapatalk

I meant that I want to use my bead and no optics. I've always liked the bead on my turkey guns and don't want to change now. The shim would be a good option but I'm not sure they make a shim for the 870?
Gotcha

Sent from my SM-G986U using Tapatalk

Title: Re: 20 gauge 870 fieldmaster question
Post by: Glades on January 30, 2023, 10:46:14 AM
Shimming only changes the way the stock fits on your face and is not gonna help you, since it is a turkey gun, not a bird/clay gun. You aim a turkey gun/rifle, you point a bird/clay gun.

Here are some options if you don't want to add optics:
1) Add iron sights with vertical adjustment. Truglo Gobbledot and Williams Firesights have this feature.
2) Drill and tap a midbead on your rib. Then stack the front bead on top of your midbead on your sight picture, and that should raise your POI.
Title: Re: 20 gauge 870 fieldmaster question
Post by: WW on January 31, 2023, 02:34:12 PM
Quote from: Glades on January 30, 2023, 10:46:14 AM
Shimming only changes the way the stock fits on your face and is not gonna help you, since it is a turkey gun, not a bird/clay gun. You aim a turkey gun/rifle, you point a bird/clay gun.

Here are some options if you don't want to add optics:
1) Add iron sights with vertical adjustment. Truglo Gobbledot and Williams Firesights have this feature.
2) Drill and tap a midbead on your rib. Then stack the front bead on top of your midbead on your sight picture, and that should raise your POI.

Thanks!  The puzzling thing is, the gun is perfect at 20 yards but 10 inches low at 40. Why is this?
Title: Re: 20 gauge 870 fieldmaster question
Post by: PV266 on February 01, 2023, 11:13:18 AM
Low velocity ammo!  ;D All kidding aside, you could put an adjustable recoil pad on the gun, such as those used for clay games.  I believe Graco makes them.  Or, find a Monte Carlo stock and sand it down to the point that you impact gets where you want it; or install an adjustable riser.  None are are cheap options unfortunately. 
[/quote]

Thanks!  The puzzling thing is, the gun is perfect at 20 yards but 10 inches low at 40. Why is this?
[/quote]
Title: Re: 20 gauge 870 fieldmaster question
Post by: TrackeySauresRex on February 01, 2023, 04:29:08 PM
Is there a mid mount bead on the Fieldmaster?
Title: Re: 20 gauge 870 fieldmaster question
Post by: WW on February 02, 2023, 03:55:18 PM
Quote from: TrackeySauresRex on February 01, 2023, 04:29:08 PM
Is there a mid mount bead on the Fieldmaster?

Unfortunately, No
Title: Re: 20 gauge 870 fieldmaster question
Post by: owlhoot on February 02, 2023, 07:48:45 PM
What's the ammo?
Title: Re: 20 gauge 870 fieldmaster question
Post by: Uncle Tom on February 04, 2023, 07:26:10 PM
Where you holding the bead on the target? I have a 20 ga Fieldmaster with a Burris Fastfire III....never shot it using the bead. But, if it hitting low at 40 yards and dead on at 20, you know where it is hitting at all ranges....just hold on the turkey head where you know it will hit. Now, that probably would not work hunting moving game like dove, rabbit, etc....but a stationary target like turkey just aim high, or get a smaller bead as someone stated.
Title: Re: 20 gauge 870 fieldmaster question
Post by: LRD on February 05, 2023, 10:29:29 AM
Have you tried different ammo to see if it is the same?  I'm leaning more towards ammo velocity than gun because it doesn't make sense for it to be dead on at 20 and low at 40 due to the gun.