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Posted By: herschel34 Thread Size for Front Bead - 01/20/13
Anybody know the the thread size for the front bead on a Beretta 391 Urika?

Thx
Posted By: RWE Re: Thread Size for Front Bead - 01/20/13
all the skinny I've seen says 3-56. Beretta's says 2.5 x .45 metric - but I think they are close to the same.
Posted By: Darryle Re: Thread Size for Front Bead - 01/21/13
There is a chart on Truglo's site, under the faq.
Posted By: bea175 Re: Thread Size for Front Bead - 01/21/13
BEAD CHART INFORMATION
Manufacturer
Model
Thread Size
Benelli
All
2.6mm
Beretta
All
2.6mm
Browning
All
3mm
Browning
Citori (Older)
3/56
Charles Daly
All
3mm
EAA - Baikal
All
6/48
Fabarm
All
3mm
Franchi
Semi-Auto
3mm
H & K
All
3mm
Hastings
Shotgun
3/56
Ithaca
Model 37
6/48
Krieghoff
K-80
3/56
Mossberg
All
5/4 0
Perazzi
All
2.6mm
Remington
All except 870*
6/48
Ruger
Red Label
3/56
SKB
All
3/56
Spanish Manufacturers
All
3mm
Stoeger
Condor
5/40
Stoeger
-
3/56
Weatherby
Orion
6/48
Winchester
All
3/56
* The Remington 870 Express have pressed beads and must be tapped first.
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