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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.

4 photos
Winchester 400 Over and Under 12 Bore/gauge
Very clean been a sleeper 28” barrels with fixed choke RFD to RFD available
Category Shotguns
Subcategory Over and Under
Make Winchester
Range 400
Model 400
Calibre 12 Bore/gauge
Ashford
£ 325
Promoted
2 photos
Bettinsoli diamond Over and Under 12 Bore/gauge
Nice clean gun all there in box 38 inch barrel
Category Shotguns
Subcategory Over and Under
Make Bettinsoli
Range diamond
Model diamond
Calibre 12 Bore/gauge
Glossop
£ 500ONO
Promoted
4 photos
Perazzi MX2000 Over and Under 12 Bore/gauge
Perazzi MX2000 Used Right Handed Walnut Stock For Sale. Stock Only to fit 12 Bore Perazzi MX2000. Attractive walnut wood grain detailing. Stock has been oiled to a nice finish. Collection ...
Category Shotguns
Subcategory Over and Under
Make Perazzi
Range MX2000
Model MX2000
Calibre 12 Bore/gauge
Cheadle Hulme
£ 575
Promoted
2 photos
Robust Deactivated Side By Side 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 Side By Side
Make Robust
Range Deactivated
Model Deactivated
Calibre 12 Bore/gauge
Ashford
£ 185
Promoted
3 photos
C1870 English 12 Bore Pin Fire Obsolete Calibre, Double Barrelled, Under Rotary Lever Break Action Breach Loading Sporting Shotgun. Sn 23721 pinfire shotgun Side By Side 12 Bore/gauge
C1870 English 12 Bore Pin Fire Obsolete Calibre, Double Barrelled, Under Rotary Lever Break Action Breach Loading Sporting Shotgun. Sn 23721 - 23721 This is a C1870 pin fire obsolete calibre double ...
Category Shotguns
Subcategory Side By Side
Make C1870 English 12 Bore Pin Fire Obsolete Calibre, Double Barrelled, Under Rotary Lever Break Action Breach Loading Sporting Shotgun. Sn 23721
Range pinfire shotgun
Model pinfire shotgun
Calibre 12 Bore/gauge
Stockport
£ 495
Promoted
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
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
6 photos
Beretta 686 12g Over and Under 12 Bore/gauge
Beretta s686 sporting 2 chokes 28 inch barrel
Category Shotguns
Subcategory Over and Under
Make Beretta
Range 686 12g
Model 686 12g
Calibre 12 Bore/gauge
Glossop
£ 550open to offers
Promoted
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
3 photos
Hatsan Arms Escort Magnum Semi-Auto 12 Bore/gauge
Escort magnum hatsan xtreme Max 12 bore semi auto 28inch multichoke barrel only 1 tube present
Category Shotguns
Subcategory Semi-Auto
Make Hatsan Arms
Range Escort
Model Escort Magnum
Calibre 12 Bore/gauge
Glossop
£ 175
Promoted
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
8 photos
Franchi Affinity Semi-Auto 12 Bore/gauge
12g Franchi semi auto Steel shot 27 1/4" Barrel 14 1/4" LOP 3" chamber Comes with chokes, key & shims - 1/2 fitted Commission Sale RFD Transfer £40 (Mainland UK) or collection by appointment. ...
Category Shotguns
Subcategory Semi-Auto
Make Franchi
Range Affinity
Model Affinity
Calibre 12 Bore/gauge
West Hythe
£ 395each
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
4 photos
Webley & Scott 2512K Over and Under 12 Bore/gauge
Webley and Scott 2512K 12 gauge over and under shotgun. Barrel 30" Stock 14 3/4" 3" chamber. Steel proofed. Comes with 5 chokes (Cyl x2, Full, IM and Mod. ) and taper choke key. In ...
Category Shotguns
Subcategory Over and Under
Make Webley & Scott
Range 2512K
Model 2512K
Calibre 12 Bore/gauge
Carlisle
£ 750
8 photos
Browning Medallist Sporter Over and Under 12 Bore/gauge
12g Browning Medallist sporter over & under shotgun 27 1/2" Barrel 14 1/2" LOP 2 3/4" chambers 1/4 & Imp chokes fitted - no extra chokes Commission sale RFD Transfer £40 (Mainland UK) or c...
Category Shotguns
Subcategory Over and Under
Make Browning
Range Medallist Sporter
Model Medallist Sporter
Calibre 12 Bore/gauge
West Hythe
£ 275each
8 photos
Browning Fusion Semi-Auto 12 Bore/gauge
Browning 12 bore semi auto shotgun, model fusion evolve. 2/34- 3inch multi choke 30inch barrel. In pristine condition. See attached photos.
Category Shotguns
Subcategory Semi-Auto
Make Browning
Range -
Model Fusion
Calibre 12 Bore/gauge
Warboys
£ 600
4 photos
ATA Arms Venza Black Synthetic Semi-Auto 12 Bore/gauge
ATA Venza Synthetic RH  12g Semi- auto shotgun. Barrel 28". Stock 14 1/2". Comes with ATA hard case, 5 chokes, key and stock spacers. In very good lightly used condition.
Category Shotguns
Subcategory Semi-Auto
Make ATA Arms
Range Venza
Model Venza Black Synthetic
Calibre 12 Bore/gauge
Carlisle
£ 295
5 photos
Winchester SX3 Red Performance  Semi-Auto 12 Bore/gauge
For sale a Winchester SX3 Limited Edition Red Performance 12G Semi Auto Shotgun. Famously developed as a tribute to the acrobatic speed shooter Raniero Testa. Barrel 28" and stock 14". ...
Category Shotguns
Subcategory Semi-Auto
Make Winchester
Range SX3
Model SX3 Red Performance
Calibre 12 Bore/gauge
Carlisle
£ 799.99
7 photos
Deactivated Investarm Deactivated Over and Under 12 Bore/gauge
Deactivated 12g Investarm "sawn off" over & under 13 3/4" Barrel 5" LOP Deactivated to current specification with current Proof House certificate. No license required to purchase. Auto ...
Category Shotguns
Subcategory Over and Under
Make Deactivated Investarm
Range Deactivated
Model Deactivated
Calibre 12 Bore/gauge
West Hythe
£ 220each
8 photos
Deactivated Ugartechea Coach Gun Side By Side 12 Bore/gauge
Deactivated 12g Ugarteachea side by side coach gun 10 3/4" Barrels 14 1/4" LOP 27 1/2" Overall length Deactivated to current specification with current Proof House certificate. No license ...
Category Shotguns
Subcategory Side By Side
Make Deactivated Ugartechea
Range Coach Gun
Model Coach Gun
Calibre 12 Bore/gauge
West Hythe
£ 200each

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Shotguns·12 Bore/gauge