SG Extensions

Adv Tech 12GA Shotgun Mag Extension for Remington (7rd)
Fits Remington 870, 1100, 1187

Increase magazine capacity to 7rds. Fits Remington 12 GA pump shotguns. IMPORTANT: Must not extend past end of barrel. This extension fits 18.5" barrels or longer. Made of virtually indestructible, glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. Each extension includes a new spring and instructions. No modification. No gunsmithing required. Unconditional Lifetime Warranty. Manufactured by Advanced Technology, Inc in the USA.

Clamp SMC1100 not Included

SMR0700 Shown On Outfitted Shotgun

SMR0700 Shown Above

SMR0700 Shown On Outfitted Shotgun

Item Number

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Shotgun Extensions

Shotgun Extensions for Mossberg, Remington, Winchester, 7,8,9,10, shell extensions, 12 ga, 20 ga, Advanced Technology, Choate, spare springs, for shooting, home defense, self defense, law enforcement, military, and more!!!

Shotgun Tube Extensions

Increase your fire power anywhere from 2 to 5 shells with our shotgun magazine extension kits. These extensions are great for law enforcement officers and competition shooters in reducing the time to reload. They are also a must for home protection.

These kits are constructed of solid blued steel and come with spring, base clamp & follower.

Kit includes : 1 Magazine Extension - (7,8, 9 or 10 shot), 1 Base Clamp 1 High Visibility Shell Follower.

Special Fitting Instructions:

The new model Remington 870/1100/1187 shotguns have dimples that will have to be drilled out with 3/16 drill bit before the spring will extend up into the magazine extension. The older model Remington 870/1100/1187 will readily accept our extensions without any alterations. No extensions for Mossberg 500/600/590.

Will Fit: Remington 870/1100/1187 Mossberg 5500/9200/835/935 (9200 must have special shell follower) Winchester 1200, 1300, Ranger 120 & Defender Fabarm FP6 7 Shot Model fits 18" barrel or longer. 8 Shot Model fits 20" barrel or longer. 9 Shot Model fits 24" barrel or longer. 10 Shot Model fits 26" barrel or longer. (Sling Swivel base clamps included with most Magazine Extension Kits to add needed support. Remington Lightweight Extensions require our lightweight base clamps.) Fabarm FP6 and Mossberg 835 kits don't include base clamps.

Order NOW!

Item Number	Description	Price
21-04-02	Benelli + 2 shot extension Blued for the Super black eagle (SBE), SBE II, M1 and M2, 12 gauge	$47.00
21-04-04	Benelli +4 Magazine extension for the Super black eagle (SBE), SBE II, M1 and M2, 12 gauge	$50.00
21-04-12	Benelli Magazine extension + 2 mat blued for the Super black eagle (SBE), SBE II, M1 and M2, 12 gauge	$47.00
21-04-14	Benelli Magazine extension +4 for the Super black eagle (SBE), SBE II, M1 and M2, 12 gauge	$50.00
21-04-22	Benelli 20 gauge M1 magazine extension +2 mat blued	$47.00





15-04-02	Choate Fabarm FP6 7 Shot Extension	$47.00
15-04-03	Choate Fabarm FP6 8 Shot Extension	$47.00
02-04-12	Choate Mossberg 835 7 Shot Extension	$47.00
02-04-13	Choate Mossberg 835 8 Shot Extension	$47.00
02-04-02	Choate Mossberg 5500/35 7 Shot Extension	$47.00
02-04-03	Choate Mossberg 5500/935 8 Shot Extension	$47.00
02-04-04	Choate Mossberg 5500/935 9 Shot Extension	$50.00
02-04-05	Choate Mossberg 5500/935 10 Shot Extension	$53.00
02-04-12	Choate Mossberg 835 7 Shot Extension	$47.00
02-04-13	Choate Mossberg 835 8 Shot Extension	$47.00
01-04-02	Choate Remington 870/1100/1187 7 Shot Extension	$45.00
01-04-03	Choate Remington 870/1100/1187 8 Shot Extension	$47.00
01-04-04	Choate Remington 870/1100/1187 9 Shot Extension	$50.00
01-04-05	Choate Remington 870/1100/1187 10 Shot Extension	$53.00
03-04-02	Choate Winchester 1200 7 Shot Extension	$47.00
03-04-03	Choate Winchester 1200 8 Shot Extension	$47.00
03-04-04	Choate Winchester 1200 9 Shot Extension	$50.00
03-04-05	Choate Winchester 1200 10 Shot Extension	$53.00
01-04-32	Choate Remington 870/1100 Lightweight 7 Shot Extension	$47.00
01-04-33	Choate Remington 870 /1100 Lightweight 8 Shot Extension	$47.00
01-04-34	Choate Remington 870/1100 Lightweight 9 Shot Extension	$50.00
01-04-35	Choate Remington 870/1100 Lightweight 10 Shot Extension	$53.00
01-04-06	Choate Remington 870/100/1187 7 Shot Matte Blue Extension	$47.00
01-04-07	Choate Remington 870/1100/1187 Matte Blue	$47.00
01-04-08	Choate Remington 870/1100/1187 9 Shot Matte Blue	$50.00
01-04-09	Choate Remington 870/1100/1187 10 Shot matte Blue Extension	$53.00
02-04-22	Choate Mossberg 835 7 Shot Matte Blue Extension	$47.00
02-04-23	Choate Mossberg 835 8 Shot Matte Blue Extension	$47.00
Spare Springs
60-09-11	Choate 7 and 8 Shot Extra Spring	$8.00
60-09-14	Choate 7 and 8 Shot Extra Spring 20 GA Light Weight Spring	$8.00
60-09-12	Choate 9 and 10 Shot Extra Spring	$8.00

Choate Remington/Winchester Sling Swivel Base Clamp 1 Add strength to magazine extensions. These clamps come standard on all 9 & 10 shot extensions and are recommended for 7 & 8 shot extensions
Item Number	Price
55-08-02	$12.00

Adv Tech 12GA Shotgun Mag Extension for Remington (8rd) Fits Remington 870, 1100, 1187 Increase magazine capacity to 8rds. Fits Remington 12 GA pump shotguns. IMPORTANT: Must not extend past end of barrel. This extension fits 20" barrels or longer. Made of virtually indestructible, glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. Each extension includes a new spring and instructions. No modification. No gunsmithing required. Unconditional Lifetime Warranty. Manufactured by Advanced Technology, Inc in the USA.
		Clamp SMC1100 not Included
SMR0800 Shown On Outfitted Shotgun	SMR0800 Shown Above	SMR0800 Shown On Outfitted Shotgun

Item Number	Price
SMR0800	$24.00

Adv Tech 12GA Shotgun Mag Extension for Winchester (7rd) Fits Winchester 1200/1300 Increase magazine capacity to 7rds. Fits Winchester 12 GA pump shotguns. IMPORTANT: Must not extend past end of barrel. This extension fits 18.5" barrels or longer. Made of virtually indestructible, glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. Each extension includes a new spring and instructions. No modification. No gunsmithing required. Unconditional Lifetime Warranty. Manufactured by Advanced Technology, Inc in the USA.
Item Number	Price
		Clamp SMC1100 not Included
SMW0900	$24.00

Adv Tech 12GA Shotgun Mag Extension for Winchester (8rd) Fits Winchester 1200/1300 Increase magazine capacity to 8rds. Fits Winchester 12 GA pump shotguns. IMPORTANT: Must not extend past end of barrel. This extension fits 20" barrels or longer. Made of virtually indestructible, glass-filled nylon injection molded over a steel connecting nut. Will not rust or dent. Each extension includes a new spring and instructions. No modification. No gunsmithing required. Unconditional Lifetime Warranty. Manufactured by Advanced Technology, Inc in the USA.
Item Number	Price
		Clamp SMC1100 not Included
SMW1000	$24.00

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2008, The Country Shed

RESTRICTED ITEMS Some of the goods on The Country Shed website may be restricted in your delivery area by Federal, State, and/or Local law. The Country Shed does not, and cannot grant the right or authority to persons to purchase items which may be regulated pursuant to such laws. You must be 21 years of age to purchase anything from The Country Shed and it is your responsibility to check Federal, State, and/or Local laws to insure legal possession of such items in the delivery area. Further, pursuant to 18 U.S.C. 922 (D)(1)-(9), you cannot be under a legal disability to purchase certain restricted items.

Notice: We do not ship high capacity magazines and drum magazines to MD, CA, NJ, HI, DC, NY, MA, and RI. Please do not order these item if you live in these areas.

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