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Double Rifles, Single Shots & Combinations >> Building Double Rifles & Gunsmithing

Der_Jaeger
.375 member

Reged: 09/10/08
Posts: 607
Loc: SE Pennsylvania

Re: Sidelock vs Boxlock; Bar Action vs Back Action
28/01/09 10:25 PM

I'm not sure if any have actually failed but, from an engineering view, the back action sidelocks do provide for a stronger action and, since the leaf spring and lock components lie flat against the sideplates, really do not need any more inletting space in the stock than a standard H&H style sidelock. No more wood is removed by utilizing a back action design.

The only difference between a Bar Action and a Back Action is the position of the leaf spring; one is pointed toward the rear and the other toward the front. In my opinion, the bar action gives the best sear/tumbler engagement angle and can be adjusted much better. Bar Actions, on the downside, require much more inletting along the acyion bar. This is why some of the older guns employed a Greener Crossbolt on their Bar Action sidelocks. I think that modern metals offset a lot of this. That being said, if I had the means to order a bespoke sidelock, I would do so with a back action sidelock design.

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Subject	Posted by	Posted on
Sidelock vs Boxlock; Bar Action vs Back Action	apr1775	28/01/09 09:42 AM
Re: Sidelock vs Boxlock; Bar Action vs Back Action	Der_Jaeger	28/01/09 10:25 PM
Re: Sidelock vs Boxlock; Bar Action vs Back Action	bonanza	10/02/09 11:45 AM
Re: Sidelock vs Boxlock; Bar Action vs Back Action	Paul	10/02/09 08:57 PM
Re: Sidelock vs Boxlock; Bar Action vs Back Action	doubleriflejack	10/02/09 08:33 AM

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