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12-gauge
The gauge (or commonly bore in British English) of a firearm is a unit of measurement used to express the inner diameter (bore diameter) of the barrel.
Gauge is determined from the weight of a solid sphere of lead that will fit the bore of the firearm and is expressed as the multiplicative inverse of the sphere's weight as a fraction of a pound, e.g., a one-twelfth pound lead ball fits a 12-gauge bore. Thus there are twelve 12-gauge balls per pound, etc. The term is related to the measurement of cannon, which were also measured by the weight of their iron round shot; an 8-pounder would fire an 8 lb (3.6 kg) ball.
Gauge is commonly used today in reference to shotguns, though historically it was also used in large double rifles, which were made in sizes up to 2 bore during their heyday in the 1880s, being originally loaded with black powder cartridges. These very large rifles, called "elephant guns", were intended for use in Africa and Asia for hunting game.
Gauge is abbreviated "ga.", "ga", or "G".
I have a fairly new winchester sx4 semi auto 12ga w/ 28" barrel. It has maybe 100 rounds through it. I have the factory box it came in and it has a improved modified extended choke in it.
Call or text at anytime 360-280-5054
Selling my Hatsan Escort Magnum 12 Gauge Semi-Auto shotgun!
Gun is in new used condition, a few very small blemishes mainly around the ejection port as pictured below. Overall the gun is in great shape! It hasn’t had a high volume of rounds shot through it & the action/chamber/bore are all...
Manufactured in 1996 Remington 12 ga. 870 Light Contour 28" Vent ribbed barrel with 3" chamber, magnum rated receiver, and bolt. Comes with one (imp cylinder) screw in Rem. choke. This 870 deserves to be on a wall with directional lighting or to be used. The walnut and bluing on this 870 is how...
Diamondback AR10 308 win pistol $2000
Mossberg Maverick 88 12g shotgun $500
Beretta M9A4 9mm $1100
Glock 17 G4 $800
Smith and Wesson MP9 M2.0 $600
All brand new come with original cases and boxes and mags
Bundle sell only
For sale is a Winchester Model 97 / 1897:
- 12ga. Pump Action
- Weaver Choke Installed
- Full Choke included
- Est. Production Year: 1905 / 1906 (301xxx)
This came in from an estate, uncertain of modifications, round count, etc.
Asking $400, thank you for viewing.
Sale pending funds…. I have an 11/87 semi automatic 12ga shotgun for sale. Hasn’t been shot much. I ended up with an older 1100 I like better. I don’t need both.
I am open to trades offers,
Looking for:
I am open to trade offers,
Interested in:
Ruger Mark IV Thread barrel
Ruger PC Charger...
Ordered my first autoloading shotgun (SX4) for birds and am starting to learn more and my imagination took me to a second thought 12g mossburg 24" turkey magnum nice name as fun at the range. I had an FN 12g but not really liking the feel of the brand good products though. like a rainy day...
For sale is 4 metal ammo cans full of over 300rds of loose birdshot Winchester, federal ammo and 30 rounds of buckshot. Good ammo stored with oxygen obsorbers and kept in cans, had ammo for about a year so it's not old. Open to trades for 9mm or 556 or 22.
Brand new Maverick 88 security 12g. You can't find these in stock in the stores anymore so theyr probably about to be unavailable. Never fired new in box. The one in pic is a used one but the new one is in the box in plastic sleeve. 200 rounds of various full power good 00 buckshot ammo and 300...
For sale is a Winchester Model 50 semi-auto 12-gauge shotgun with a fixed full choke. The shotgun has seen some use but operates flawlessly. The bluing on the barrel was redone and the walnut furniture has a nice oil finish. The finish on the aluminum trigger guard has been worn off. I recently...
For sale is a New/Unused ATI Remington 870 12 ga. Side Saddle:
- Model A.5.10.1005
- (5) Shell Holders
- Weighs 5 ½ oz.
- Halo Side Saddle
- Military Type III Anodized, 6061 T6 Aluminum
- Mounts Using Existing Screw Holes in the Top of the Receiver
- Two Mounting Locations on the Ejection Port...
For sale are (2) Surefire Gun Mags for a Saiga 12ga:
- Good used condition
- Polymer Body Material
- Holds (8) 2 3/4" 12ga shells
Asking $50 $40 for both, thank you for viewing.
One year old, 100 rounds through it,
Includes: eight round extension tube, Additional black polymer stock, 50 rounds of buckshot
$490 obo, trades welcome
Stoeger SxS 12ga Coach Gun
20" barrels, internal hammers, dual triggers
$400
Comes with a box of #8 and a box of buckshot
Really wanting cash to fund some other projects.... but will entertain trade offers. PM me with offers or questions, etc... I do NOT always get notified of posts in the...
I’m looking for one or two extra barrels for my older 870 Wingmaster . I’m not interested in a Rem choke barrel… only older fixed factory Remington 870 12 ga barrels. Ideally, I’d like something between 26”-30” in a vented rib barrel with a nice shiny blued finish (can be fixed choke in...