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Turkey Guns & Shooting => Turkey Guns => Topic started by: tha bugman on March 06, 2016, 07:57:31 AM

Title: Barrel removal and POI
Post by: tha bugman on March 06, 2016, 07:57:31 AM
I want to remove my barrel in order to deep clean it.  Will this mess up my current POI as I am currently sighted in?


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Title: Re: Barrel removal and POI
Post by: BandedSpur on March 06, 2016, 08:20:47 AM
If your sights are on your barrel, no. If you use an optic mounted on the receiver, possibly.
Title: Re: Barrel removal and POI
Post by: nyhunter on March 06, 2016, 09:03:28 AM

If your sights are on your barrel, no. If you use an optic mounted on the receiver, possibly.

    X2
Title: Re: Barrel removal and POI
Post by: decoykrvr on March 06, 2016, 09:19:18 AM
Even if the sights are mounted on the barrel the POA/POI can change when a barrel is removed and reinstalled.  Depending on the shotgun's design, the tightening of the magazine tube cap will induce torque on the barrel which can change the POI.  You won't know until you reinstall the barrel, tightening the magazine cap fully w/ vice grips w/ the cap protected by a piece of heavy rubber, then re-sighting.  I've seen the POI move 4-6 inches w/ barrel removal and reinstallation which is why I never remove a barrel during the hunting season unless I plan on re-sighting. 
Title: Re: Barrel removal and POI
Post by: Tom Foolery on March 06, 2016, 09:29:13 AM
I mark my barrel and cap then hand tighten it and then I take a rubber tourniquet and go an extra 2 clicks.  Everything stays the same.
Title: Re: Barrel removal and POI
Post by: Farmboy27 on March 06, 2016, 05:03:59 PM
Never tighten your mag cap with vice grips!!  They are designed to be hand tightened only!!  Tighten your cap as tight as you can by hand and you're good to go.
Title: Barrel removal and POI
Post by: BowBendr on March 06, 2016, 11:40:04 PM
^^ Disagree 100% ^^


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Title: Barrel removal and POI
Post by: drenalinld on March 07, 2016, 12:31:13 AM
Agree, should be hand tight. Yes, you can move POI significantly by using tools. Mark nut and forearm to make sure it clicks back to the same spot and POI stays the same for me.
Title: Barrel removal and POI
Post by: mudhen on March 07, 2016, 01:41:16 AM

Quote from: Tom Foolery on March 06, 2016, 09:29:13 AM
I mark my barrel and cap then hand tighten it and then I take a rubber tourniquet and go an extra 2 clicks.  Everything stays the same.

This...


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Title: Re: Barrel removal and POI
Post by: wmn2 on March 07, 2016, 03:10:16 AM
I mark the barrel and cap as well and then tighten to the same mark. Just did this the other day to deep clean again.
Title: Re: Barrel removal and POI
Post by: Dr Juice on March 07, 2016, 05:44:24 AM
Quote from: Tom Foolery on March 06, 2016, 09:29:13 AM
I mark my barrel and cap then hand tighten it and then I take a rubber tourniquet and go an extra 2 clicks.  Everything stays the same.
X2. My practice exactly.
Title: Re: Barrel removal and POI
Post by: decoykrvr on March 09, 2016, 09:20:23 PM
For a bit of clarification!!  I hand tighten the magazine tube cap, place a piece of heavy rubber sheeting over the cap, take vice grips and give the cap a final light torque, mark the cap and magazine tube for future alignment, then sight-in or pattern the shotgun.  This technique was shown and imparted to me many years ago by a competent gunsmith who specialized in setting-up shotguns for precision card shooters and deer hunters.  To the best of my knowledge, I know of no shotguns that have been damaged or the accuracy impaired by utilizing this technique when done properly.  There are a lot of people who should never be allowed near a shotgun with any tools, and I guess, especially a set of vice-grips.  Like a lot of things, "You've got to know what your doing."