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12 Bore/gauge Shotguns for Sale

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Browse 12 Bore/gauge shotguns for sale from private sellers, dealers and registered firearms dealers across the UK. Gunstar lists shotgun classifieds updated daily.

2 photos
Rizzini Artemis Over and Under 12 Bore/gauge
Rizzini Artemia Game gun 29 inch barrels Good condition.
Category Shotguns
Subcategory Over and Under
Make Rizzini
Range Artemis
Model Artemis
Calibre 12 Bore/gauge
Glossop
£ 525ONO
Promoted
14 photos
Bettinsoli WILDFOWLER Over and Under 12 Bore/gauge
Bettinsoli Wildfowl Ref 23080 12g 32” Barrels 3 1/2” Chbers Multi Choke Number Of Chokes 4 Weight 3. 52kg Length Of Pull 14 1/2” Overall Length 49 3/4” High Performance Steel Proofed ...
Category Shotguns
Subcategory Over and Under
Make Bettinsoli
Range Wildfowler
Model WILDFOWLER
Calibre 12 Bore/gauge
Scunthorpe
£ 300
Promoted
3 photos
Mossberg 590 Semi-Auto 12 Bore/gauge
Section one Mossberg 12g good condition
Category Shotguns
Subcategory Semi-Auto
Make Mossberg
Range 590
Model 590
Calibre 12 Bore/gauge
Glossop
£ 350ONO
Promoted
3 photos
Browning B325 Over and Under 12 Bore/gauge
Browning 325 30inch 12g good condition in box all chokes
Category Shotguns
Subcategory Over and Under
Make Browning
Range B325
Model B325
Calibre 12 Bore/gauge
Glossop
£ 525ONO
Promoted
5 photos
Bettinsoli DIAMOND X Over and Under 12 Bore/gauge
Bettinsoli diamond x 12 gauge game/field o/u add/ref S23236. Second hand gun in good condition 9/10. 12 gauge over and under. 30’’ multi-choked barrels with 3’’ magnum hp steel proofed supplied...
Category Shotguns
Subcategory Over and Under
Make Bettinsoli
Range OVER & UNDER
Model DIAMOND X
Calibre 12 Bore/gauge
Wykeham
£ 595
Promoted
8 photos
AYA (Aguirre Y Aranabal) NO 4 Side By Side 12 Bore/gauge
A very good and little used AYA No4 ejector 12g sxs. This has been hiding away in a cabinet and not shot for a long time. Perfect working order. Stunning tiger strip stock. 12 month ...
Category Shotguns
Subcategory Side By Side
Make AYA (Aguirre Y Aranabal)
Range NO 4
Model NO 4
Calibre 12 Bore/gauge
Stapleford
£ 425ONO
7 photos
ATA Arms SP Bronze Over and Under 12 Bore/gauge
A rare to find and very good ATA BRONZE 12g o/ shotgun. Steel shot proofed This has only been out twice. Boxlock over-and-under with an aesthetically striking cerakote-style soft bronze ...
Category Shotguns
Subcategory Over and Under
Make ATA Arms
Range SP Bronze
Model SP Bronze
Calibre 12 Bore/gauge
Stapleford
£ 550ONO
6 photos
W. R. Pape Hammer Side By Side 12 Bore/gauge
A very good and very rare W R Pape sxs hammer shotgun. This has hardly been shot. perfect working order. William Rochester Pape (1831–1923) was an English gunsmith who is often credited wi...
Category Shotguns
Subcategory Side By Side
Make W. R. Pape
Range Hammer
Model Hammer
Calibre 12 Bore/gauge
Stapleford
£ 975ONO
2 photos
Valmet Deactivated Over and Under 12 Bore/gauge
Great Wall hanger deactivated to latest spec, London proof house deactivation cert EU 2018/337 No licence required but over 18 only I. D proof required P&P £25. 00
Category Shotguns
Subcategory Over and Under
Make Valmet
Range Deactivated
Model Deactivated
Calibre 12 Bore/gauge
Ashford
£ 185
Promoted
6 photos
Westley Richards Boxlock Side By Side 12 Bore/gauge
A very good Westly Richards Boxlock 12g sxs shotgun. Rare to find 30'' barrels and 15'' pull. Perfect working order 12 month warranty
Category Shotguns
Subcategory Side By Side
Make Westley Richards
Range -
Model Boxlock
Calibre 12 Bore/gauge
Stapleford
£ 1,000ONO
13 photos
REVO Tactical 7 plus 1  Pump Action 12 Bore/gauge
REVO 7 plus 1 TACTICAL PUMP ACTION SHOTGUN. 12 BORE MULTI CHOKE in as new condition.
Category Shotguns
Subcategory Pump Action
Make REVO
Range -
Model Tactical 7 plus 1
Calibre 12 Bore/gauge
Warboys
£ 225
10 photos
Hatsan Arms Escort marine Semi-Auto 12 Bore/gauge
HATSAN ESCORT Semi auto shotgun, marine model. 24 inch multi choke barrel 12 bore. In pristine condition, ideal for wildfowl and general Shooting.
Category Shotguns
Subcategory Semi-Auto
Make Hatsan Arms
Range Escort
Model Escort marine
Calibre 12 Bore/gauge
Warboys
£ 300
14 photos
C. G. Bonehill Side by side Side By Side 12 Bore/gauge
Bonehill S/S Ref 2305 12g 30” Barrels 2 1/2” Chambers 1/4& 3/4 Chokes Weight 3. 00 Kg Length Of Pull 14 1/2” Overall Length 46 1/2” Condition 7/10 This gun can be sent to your local shop or ...
Category Shotguns
Subcategory Side By Side
Make C. G. Bonehill
Range Side by Side
Model Side by side
Calibre 12 Bore/gauge
Scunthorpe
£ 300
Promoted
12 photos
J. R. Gow & Sons, Dundee Spares or Repair Side By Side 12 Bore/gauge
Stock: The wooden stock is broken and will need to be replaced or professionally repaired before the gun can be safely fired. The break was caused when the gun fell out of gun slip as it was being ...
Category Shotguns
Subcategory Side By Side
Make J. R. Gow & Sons, Dundee
Range Spares or Repair
Model Spares or Repair
Calibre 12 Bore/gauge
Wellington
£ 199
11 photos
ATA Arms SP Supersport Over and Under 12 Bore/gauge
ATA SP Supersport Adjustable 12gauge 32inch Excellent condition Price includes transfer to a registered firearms dealer Location Cumbria
Category Shotguns
Subcategory Over and Under
Make ATA Arms
Range SP SUPERSPORT
Model SP Supersport
Calibre 12 Bore/gauge
Penrith
£ 680ONO
9 photos
Miroku 7000 Grade 3 Over and Under 12 Bore/gauge
28” barrels. LOP 14 3/8”. Weight 7lb 12oz. Nice wood. Serviced June 2025 (£220), hardly used since. Comes with 6 flush chokes. In nice condition. Due to age I have switched to a 20 bore.
Category Shotguns
Subcategory Over and Under
Make Miroku
Range Sporter
Model 7000 Grade 3
Calibre 12 Bore/gauge
Marlow
£ 625
5 photos
KOFS Sceptre SXE Game Over and Under 12 Bore/gauge
For sale a Kofs Sceptre Sxe Game multicoke 12G over and under shotgun. Barrel 30" Stock 14 1/2" Comes with 5 chokes.
Category Shotguns
Subcategory Over and Under
Make KOFS
Range Sceptre SXE
Model Sceptre SXE Game
Calibre 12 Bore/gauge
Carlisle
£ 535
8 photos
Browning Model 325 Over and Under 12 Bore/gauge
12g Browning Mod 325 Over & under 28" Barrel 14 1/2" LOP Class 5 wood stock 2 3/4" chamber Multi Choke (4) - 1/4 & 1/4 fitted Commission sale RFD Transfer £40 (Mainland UK) or collection by a...
Category Shotguns
Subcategory Over and Under
Make Browning
Range Model 325
Model Model 325
Calibre 12 Bore/gauge
West Hythe
£ 950each
4 photos
Lanber Arms SPORTING Over and Under 12 Bore/gauge
10804 Lanber Sporting 12g O/U E/J Used
Category Shotguns
Subcategory Over and Under
Make Lanber Arms
Range Sporting
Model SPORTING
Calibre 12 Bore/gauge
Melbourne
£ 295
4 photos
Basque O/U Over and Under 12 Bore/gauge
10797 Basque 12g O/U E/J Used
Category Shotguns
Subcategory Over and Under
Make Basque
Range O/U
Model O/U
Calibre 12 Bore/gauge
Melbourne
£ 125
4 photos
KOFS Sceptre Over and Under 12 Bore/gauge
10800 Kofs Sceptre 12g O/U E/J M/C 30inch Used
Category Shotguns
Subcategory Over and Under
Make KOFS
Range Sceptre
Model Sceptre
Calibre 12 Bore/gauge
Melbourne
£ 295
10 photos
AYA (Aguirre Y Aranabal) 25 Side By Side 12 Bore/gauge
AYA model 25 side-by-side 12 gauge shotgun Choked half and cylinder The gun is in very good overall condition, please see the attached photographs
Category Shotguns
Subcategory Side By Side
Make AYA (Aguirre Y Aranabal)
Range -
Model 25
Calibre 12 Bore/gauge
Warboys
£ 925
10 photos
Hatsan Arms Escort Semi-Auto 12 Bore/gauge
12g Hatsan Escort (Section 1) semi auto Steel proof 3" chamber 5 shot 28" Barrel 14 1/2" LOP 5 chokes & key - 1/2 fitted RFD Transfer £40 (Mainland UK) or collection by appointment. ...
Category Shotguns
Subcategory Semi-Auto
Make Hatsan Arms
Range Escort
Model Escort
Calibre 12 Bore/gauge
West Hythe
£ 125each
8 photos
Hatsan Arms Escort Mossy Oak Pump Action 12 Bore/gauge
12g Hatsan Escort pump action shotgun in Mossy Oak 27 3/4" Barrel 14 1/4" LOP 3" Camber 3/4 Choke fitted - no extras RFD Transfer £40 (Mainland UK) or collection by appointment. Visitors w...
Category Shotguns
Subcategory Pump Action
Make Hatsan Arms
Range Escort
Model Escort Mossy Oak
Calibre 12 Bore/gauge
West Hythe
£ 150each
8 photos
Armsan A612L Semi-Auto 12 Bore/gauge
12g Armsan A612L semi auto Left Handed 27" Barrel 14 1/2" LOP 3" chamber 3/4 Choke fitted - no extras Commission Sale RFD Transfer £40 (Mainland UK) or collection by appointment. Visitors w...
Category Shotguns
Subcategory Semi-Auto
Make Armsan
Range A612L
Model A612L
Calibre 12 Bore/gauge
West Hythe
£ 225each
9 photos
Remington Model 11-87 Semi-Auto 12 Bore/gauge
12g Remington Model 11-87 Semi-Auto Shotgun Left Handed 27" Barrel 13 3/4" LOP 3" Chamber 1/4 Choke fitted - no extras Commission sale RFD Transfer £40 (Mainland UK) or collection by a...
Category Shotguns
Subcategory Semi-Auto
Make Remington
Range Model 11-87
Model Model 11-87
Calibre 12 Bore/gauge
West Hythe
£ 525each
8 photos
Remington 870 Wingmaster Pump Action 12 Bore/gauge
12g Remington 870 Wingmaster Pump action shotgun 27" Barrel 13 3/4" LOP 3" Chamber 1/4 choke fitted - no extras Commission sale RFD Transfer £40 (Mainland UK) or collection by appointment. ...
Category Shotguns
Subcategory Pump Action
Make Remington
Range 870 Wingmaster
Model 870 Wingmaster
Calibre 12 Bore/gauge
West Hythe
£ 375each

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Shotguns·12 Bore/gauge