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Input Request- Pierce "Banshee" Benchrest Action

Jud96

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Last year I jumped into short range BR head first. Being that I work for Pierce Engineering, I made a modified Pierce short action with dual ports, cone bolt, and an XP cut. I deemed it the "Banshee". I built a rifle around that action and have been shooting it since then. I made the action to fit the stock I had and at the time and I had very little benchrest experience or input from others, so the action wasn't optimal. Since then, I’ve found some minor faults in the action and overall want to improve it.

Having said that, I am now setting out to make a dedicated short range benchrest action from Pierce Engineering. I’m trying to not stray too far from the standard short action bolts and fire control we use at Pierce. I do not want to reinvent the wheel, but I would like an action that's favorable and useable for LV 10.5lb rifles. I am looking for input on some of the ideas I have and I also would like input and ideas from forum members that are experienced in competing and/or gunsmithing in short range benchrest.

Some of my ideas include using BAT trigger hangers for the ease of purchasing a simple but high quality part and for some interchangeability. I also have contemplated making the action screw spacing the same as a BAT B and try to shorten the rear tang up to get close to a BAT B footprint for the available stocks that are out there. Making it duplicate a BAT B footprint might not be possible given the bolt handle location and the bolt length I’m working with. I thought of going the route of the Borden Model B and eliminating the rear action screw from the tang to shorten the tang up more closely to the BAT.

Some other things, I will be moving the bolt stop forward 0.500” to shorten the bolt throw. The XP cut will have a 90 degree angle on the “recoil side”. The headspace on this action is currently 0.700, much shorter than the BAT, but I don’t want to add length to the tenon and thus add more weight. I may leave the tenon alone, or try moving other features rearward to get the longer tenon without making the action much longer overall. I’d like to use the same tenon as BAT for barrel interchangeability, I’m not sure how important that really is, but I think the more similar important specs are the more usable the action will be. I could potentially provide a spacer that would go between the barrel and action so barrels with the BAT tenon could be used on the Banshee. I believe making things interchangeable makes sense, no need to reinvent the wheel if what’s out there works. Final goal/idea is to keep weight under 30oz. We all know how hard it can be to make weight with the stocks and scopes being used today, so if I can get this thing 3-5oz lighter than what’s currently available that would be nice.

Sorry for the long winded post, I just wanted to get everything out so I can get back some experienced feedback. I really would like to make this happen so Pierce can offer a respectable benchrest action. Thank you!
 
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I meant to say that, but yes I’ll be making the “recoil” side of the xp cut 90 degrees
That's a good move. :) The idea of offering a ground spacer so that existing barrels can be used and transfered is a good idea. Kelbly's and Borden both offer those for the 1.115" 'Panda' tenons. Will the threads be 16 or 18 t.p.i.?
 
One thought is to make the trigger hangers in house. It doesn't make sense to rely on another manufacturer for a relatively simple part. Using their hanger means your action availability is then based on the other manufacturers availability of that one small part. If they are in short supply, you can't fill your orders.
 
That's a good move. :) The idea of offering a ground spacer so that existing barrels can be used and transfered is a good idea. Kelbly's and Borden both offer those for the 1.115" 'Panda' tenons. Will the threads be 16 or 18 t.p.i.?
I will make them 1-1/16 x 18 to match BAT and Panda actions.
One thought is to make the trigger hangers in house. It doesn't make sense to rely on another manufacturer for a relatively simple part. Using their hanger means your action availability is then based on the other manufacturers availability of that one small part. If they are in short supply, you can't fill your orders.
Making every single small part can be tedious when they can be purchased from BAT who already makes a good part that does the job. If they run low, then I guess I could just copy and make their hangers until they restock. I wouldn’t let a trigger hanger prevent us from shipping actions. Thanks for the feedback!
 
I will make them 1-1/16 x 18 to match BAT and Panda actions.

Making every single small part can be tedious when they can be purchased from BAT who already makes a good part that does the job. If they run low, then I guess I could just copy and make their hangers until they restock. I wouldn’t let a trigger hanger prevent us from shipping actions. Thanks for the feedback!
I sure understand tooling up to make an available part that is available at a decent price ain't the way to go.
 
How is the firing pin tip guided in the bolt face on the Pierce?
Is it captured the full length of travel?
How much pin fall do they have ?
what is the weight of the firing pin?
 
How is the firing pin tip guided in the bolt face on the Pierce?
Is it captured the full length of travel?
How much pin fall do they have ?
what is the weight of the firing pin?
The entire firing pin tip is guided by the bolt, 0.240-0.260 pin fall is standard on the Pierce actions depending on what trigger is used. Since this will use trigger hangers, I’ll most likely have it set up to be neutral timed to a B&A with 0.240-0.250 pin fall and then flipping the hanger will either add or reduce pin fall by .030. Most likely I’ll experiment with this and get input from others on what’s optimal for 205 primers. The firing pins weigh about 1.5oz.
 
Thanks for doing this. I think you are correct in duplicating a BAT B footprint. Make it dead nuts so stock modifications are not required. It will up the odds of getting these actions into the right hands for testing if people don’t have to bastardize a Scoville or Scarbrough stock.
 
Little update. I messed around with the action in our CAM software. I’m thinking of moving the trigger forward 1/4” and having a different cocking piece made to account for the difference. I haven’t made a prototype yet, so nothing is for certain, but it looks like we will be able to utilize the rear action screw in the tang and not infront of the hanger. This CAM model also has the same tenon as a BAT B and same overall length and action screw spacing. I need to figure out the handle location on the BAT B and see how close I am to matching that with the current layout. I’m thinking it will be possible to make with the current short action Pierce bolt.

Does anyone know if a BAT SV and BAT B share the same rear tang and handle location? I have a BAT SV and stock inlet for an SV at the shop I can use for reference. Thanks!
 
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The rear hole is the same- front hole is approximately 1” forward of the sv..
Bolt handle location I think are the same, trigger is in same place…

I sold my Bat B… only own a few “S” series now…
 
The rear hole is the same- front hole is approximately 1” forward of the sv..
Bolt handle location I think are the same, trigger is in same place…

I sold my Bat B… only own a few “S” series now…
Thank you!
 

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