Robertson (Boss) shotgun

Couple questions.
Whats the barrel wall thickness at the muzzle? Chokes? Weight? Drop at comb and heel?
1.5” and 2.25” if pics aren’t clear
Between 6-7lbs I don’t have a scale with ounces

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Those barrels are perfect . It is a lovely gun. With regard to the 2 sets of proof marks I have noticed a lot of older guns ( and rifles) sold through Holts in the UK have been reproofed - generally in London . I imagine this is to assure buyers that the firearm is safe . It would originally have Birmingham proofs ( likely action and barrels supplied by Scott ) and then finished and sold by Robertson via the Boss London outlet . Boxlock guns made in Birmingham were sold by Boss , H&H and Purdey . They were all good guns and fairly rare .

Do the early British shotguns sold by H&H, Purdey, Boss and other using WC Scott parts loose value. Or have less value. Or were they all made that way.

Why is this a “Robertson” Boss and not just a Robertson. Was it made by an Ex Boss employee?
 
I should probably rephrase that. I know a boss marked Shotgun is far more expensive. but what makes this robertson worth less than a boss if it’s a boss
 
I did a quick search. Of course many here already know. But apparently Robertson wanted to produce a more affordable SxS. So used his name instead of Boss

So was this particular gun built by John Harper ? Webley and Scott? Ilsley? Then finished by Boss ?



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I did a quick search. Of course many here already know. But apparently Robertson wanted to produce a more affordable SxS. So used his name instead of Boss

So was this particular gun built by John Harper ? Webley and Scott? Ilsley? Then finished by Boss ?



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Thanks for the info! I had also heard that Robertson had bought Boss for a few years…. Or something like that ???
 

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Grz63 wrote on roklok's profile.
Hi Roklok
I read your post on Caprivi. Congratulations.
I plan to hunt there for buff in 2026 oct.
How was the land, very dry ? But à lot of buffs ?
Thank you / merci
Philippe
Fire Dog wrote on AfricaHunting.com's profile.
Chopped up the whole thing as I kept hitting the 240 character limit...
Found out the trigger word in the end... It was muzzle or velocity. dropped them and it posted.:)
Fire Dog wrote on AfricaHunting.com's profile.
2,822fps, ES 8.2
This compares favorably to 7 Rem Mag. with less powder & recoil.
Fire Dog wrote on AfricaHunting.com's profile.
*PLEASE NOTE THAT THIS IS FOR MY RIFLE, ALWAYS APPROACH A NEW LOAD CAUTIOUSLY!!*
Rifle is a Pierce long action, 32" 1:8.5 twist Swan{Au} barrel
{You will want a 1:8.5 to run the heavies but can get away with a 1:9}
Peterson .280AI brass, CCI 200 primers, 56.5gr of 4831SC, 184gr Berger Hybrid.
Fire Dog wrote on AfricaHunting.com's profile.
I know that this thread is more than a year old but as a new member I thought I would pass along my .280AI loading.
I am shooting F Open long range rather than hunting but here is what is working for me and I have managed a 198.14 at 800 meters.
That is for 20 shots. The 14 are X's which is a 5" circle.
 
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