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20 Gauge Shotgun Semi Automatic

Looking for 20 Gauge Shotgun Semi Automatic? We have thousands of rifles, handguns, and shotguns in stock. If you don't find what you are looking for on this page, check out the categories listed on the left side for more guns, ammo, and accessories.

We now sell firearms from all of the popular manufacturers including Glock, S&W, Sig Sauer, Colt, and many others. If you need a gun for personal protection, hunting, competition or just plinking, we've got it at the best price you'll find anywhere.

Akkar Sporting Arms Model 600 Semi Auto Shotgun 20 Gauge 26  Barrel 6 Rounds Walnut Stock Black Finish
76518
$451.52
IN STOCK at Warehouse
4
Escort Shotguns Ladies Magnum Semi Automatic Shotgun 20 Gauge 22  Barrel 3  Chamber 5 Rounds Synthetic Stock Muddy Girl Camo HAM20YA022MMG
6-0137112
$497.19
IN STOCK at Warehouses
10,11,6
Escort Shotguns Ladies Magnum Semi Automatic Shotgun 20 Gauge 22  Barrel 3  Chamber 5 Rounds Synthetic Stock Muddy Girl Camo HAM20YA022MMG
10-0137112
$497.19
IN STOCK at Warehouses
10,11,6
Escort Shotguns Ladies Magnum Semi Automatic Shotgun 20 Gauge 22  Barrel 3  Chamber 5 Rounds Synthetic Stock Muddy Girl Camo HAM20YA022MMG
11-0137112
$497.19
IN STOCK at Warehouses
10,11,6
Escort Shotguns Youth Left Hand Semi Automatic Shotgun 20 Gauge 22  Barrel 3  Chamber 4 Rounds Synthetic Stock Black Finish HAM20YAL02201
89557
$458.79
IN STOCK at Warehouse
4
Fausti USA Progress LX Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber 4 Rounds Walnut Stock Coin Finish with Gold Inlays 661201
11-0137743
$1,385.99
IN STOCK at Warehouse
11
Tristar Viper G2 Semi Auto Shotgun 20 Gauge 28  Barrel 3  Chamber 4 Rounds Synthetic Stock RealTree Max 4 Finish Fiber Optic Front Sight
7-G24134
$497.19
IN STOCK at Warehouses
6,7
Linberta SA01LSTAC20 Tactical Semi Automatic Shotgun 12 Gauge 20  Barrel 3  Chamber 5 Rounds Synthetic Stock with Pistol Grip Black Finish SA01LSTAC20
8-TIF-SA01LSTAC20
$344.94
IN STOCK at Warehouse
8
RWC Group Saiga Semi Automatic Shotgun 20 Gauge 22  Barrel 3  Chamber 5 Rounds Stamped Receiver Black Finish IZ106
2-RWCIZ106
$825.02
IN STOCK at Warehouse
2
RWC Group Saiga Semi Auto Shotgun 20 Gauge 3  Chamber 22  Barrel 5 Rounds Synthetic Stock Black IZ106
7-GIZ106
$849.00
IN STOCK at Warehouse
7
Escort Standard Magnum Youth Semi Auto Shotgun 20 Gauge 22  Barrel 4 Rounds Bead Sight Synthetic Stock Black Finish HAT00215
8-LSI-HAT00215
$458.70
IN STOCK at Warehouse
8
Remington Model 11-87 Sportsman Semi Autoc Shotgun 20 Gauge 28  Barrel 3  Chamber 4 Rounds Black Synthetic Stock Matte Black Finish
99825
$640.62
IN STOCK at Warehouses
10,11,3,6,4,7,8
Fausti USA Progress LX Semi Automatic Shotgun 20 Gauge 28  Vent Rib Barrel 3  Chamber 4 Rounds Walnut Stock Coin Finish with Gold Inlays 61201
10-0137743
$1,385.99
IN STOCK at Warehouse
10
Mossberg SA-20 Semi Auto Shogtun 3  20 Gauge 20  Barrel 6 Rounds Blue Synthetic Ghost Ring Sights
8-MOSS-75778
$428.06
IN STOCK at Warehouse
8
Mossberg SA-20 All Purpose Semi Automatic Shotgun 20 Gauge 28  Vent Rib Barrel 3  Chamber 5 Rounds Synthetic Stock Matte Blue Finish 75771
3-0128084
$466.68
IN STOCK at Warehouses
11,3,8
Mossberg SA-20 All Purpose Semi Automatic Shotgun 20 Gauge 28  Vent Rib Barrel 3  Chamber 5 Rounds Synthetic Stock Matte Blue Finish 75771
8-MOSS-75771
$429.15
IN STOCK at Warehouses
11,3,8
Mossberg SA-20 All Purpose Semi Automatic Shotgun 20 Gauge 28  Vent Rib Barrel 3  Chamber 5 Rounds Synthetic Stock Matte Blue Finish 75771
11-0128084
$466.68
IN STOCK at Warehouses
11,3,8
Fausti USA Progress LX Semi Automatic Shotgun 20 Gauge 28  Vent Ribbed Barrel 3  Chamber 4 Rounds Wood Stock Coin Finish Frame with Gold Inlays 31201
6-0137743
$1,385.99
IN STOCK at Warehouse
6
Fausti USA Progress LX Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber 4 Rounds Walnut Stock Coin Finish Frame with Gold Inlays 
61201
3-0137743
$1,385.99
IN STOCK at Warehouse
3
TriStar Viper G2 Youth Camo Semi Auto Shotgun 20 Gauge 24  Chrome Lined Barrel 4 Rounds 3  Chamber Fiber Optic Sight Realtree Advantage Timber Finish 24114
3-0136240
$506.23
IN STOCK at Warehouses
11,3,4,7
TriStar Viper G2 Youth Camo Semi Auto Shotgun 20 Gauge 24  Chrome Lined Barrel 4 Rounds 3  Chamber Fiber Optic Sight Realtree Advantage Timber Finish 24114
7-G24114
$497.19
IN STOCK at Warehouses
11,3,4,7
TriStar Viper G2 Youth Camo Semi Auto Shotgun 20 Gauge 24  Chrome Lined Barrel 4 Rounds 3  Chamber Fiber Optic Sight Realtree Advantage Timber Finish 24114
83042
$482.80
IN STOCK at Warehouses
11,3,4,7
TriStar Viper G2 Youth Camo Semi Auto Shotgun 20 Gauge 24  Chrome Lined Barrel 4 Rounds 3  Chamber Fiber Optic Sight Realtree Advantage Timber Finish 24114
11-0136240
$506.23
IN STOCK at Warehouses
11,3,4,7
TriStar Viper G2 Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber 5 Rounds Synthetic Stock Realtree Max4 Camo Finish 24135
6-0136541
$503.97
IN STOCK at Warehouses
10,11,6,8
TriStar Viper G2 Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber 5 Rounds Synthetic Stock Realtree Max4 Camo Finish 24135
10-0136541
$503.97
IN STOCK at Warehouses
10,11,6,8
TriStar Viper G2 Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber 5 Rounds Synthetic Stock Realtree Max4 Camo Finish 24135
8-TSA-24135
$481.69
IN STOCK at Warehouses
10,11,6,8
TriStar Viper G2 Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber 5 Rounds Synthetic Stock Realtree Max4 Camo Finish 24135
11-0136541
$503.97
IN STOCK at Warehouses
10,11,6,8
Akkar Sporting Arms Model 600 Standard Semi Automatic Shotgun 20 Gauge 28  Barrel 2.75  Chamber 5 Rounds Black Synthetic Stock
76489
$415.21
IN STOCK at Warehouse
4
Akkar Sporting Arms Model 600 Standard Semi Automatic Shotgun 20 Gauge 26  Barrel 2.75  Chamber 5 Rounds Black Synthetic Stock
76490
$415.21
IN STOCK at Warehouse
4
Akkar Sporting Arms Model 600 Standard Semi Automatic Shotgun 20 Gauge 28  Barrel 5 Rounds 2.75  Chamber Camo Synthetic Stock
76494
$472.22
IN STOCK at Warehouse
4
Remington Model 11-87 Sportsman Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 4 Rounds Black Synthetic Stock Matte Black Finish
99827
$640.62
IN STOCK at Warehouses
10,11,12,3,6,4,7,8
TriStar Raptor Semi Auto Shotgun 20 Gauge 24  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
10-0136987
$340.39
IN STOCK at Warehouses
10,11,3,4,6,7,8
TriStar Raptor Semi Auto Shotgun 20 Gauge 24  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
3-0136987
$340.39
IN STOCK at Warehouses
10,11,3,4,6,7,8
TriStar Raptor Semi Auto Shotgun 20 Gauge 24  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
6-0136987
$340.39
IN STOCK at Warehouses
10,11,3,4,6,7,8
TriStar Raptor Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
3-0136986
$340.39
IN STOCK at Warehouses
11,3,4,6,7
TriStar Raptor Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
6-0136986
$340.39
IN STOCK at Warehouses
11,3,4,6,7
TriStar Raptor Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
7-G20206
$344.64
IN STOCK at Warehouses
11,3,4,6,7
TriStar Raptor Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
84243
$331.66
IN STOCK at Warehouses
11,3,4,6,7
TriStar Raptor Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Finish 20206
11-0136986
$340.39
IN STOCK at Warehouses
11,3,4,6,7
TriStar Viper Wood Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Walnut Stock Blued Barrel 24103
7-G24103
$466.63
IN STOCK at Warehouses
10,11,4,6,7,8
TriStar Viper Semi Auto Shotgun 20 Gauge 28  Barrel 3  Chamber 5 Rounds Walnut Stock Blued Finish
7-G24102
$466.63
IN STOCK at Warehouses
10,11,3,6,7,8
TriStar Viper Series Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Black Synthetic Stock Flat Black Finish
7-G24108
$425.44
IN STOCK at Warehouses
11,4,7,8
Escort Shotguns Supreme Magnum Left Hand Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 4 Round Capacity Turkish Wood Stock Blued Finish HAS20AL02600
8-LSI-HAS20AL02600
$548.24
IN STOCK at Warehouses
3,8
Linberta SA01LSTACH Tactical Ultra Semi Automatic Shotgun 12 Gauge 20  Barrel 3  Chamber 5 Rounds Synthetic Stock with Pistol Grip Black Finish with Heat Shield SA01LSTACH
8-TIF-SA01LSTACH
$398.72
IN STOCK at Warehouse
8
Escort PS Semi Automatic Shotgun 20 Gauge 26  Vent Rib Barrel 3  Chamber 4 Rounds Synthetic Matte Black HAT00115
10-0125842
$451.94
IN STOCK at Warehouses
10,11,8
Escort Shotguns Supreme Magnum Left Hand Semi Auto Shotgun 20 Gauge 26  Barrel 3  Chamber 4 Round Capacity Turkish Wood Stock Blued Finish HAS20AL02600
3-0137150
$564.99
IN STOCK at Warehouses
3,8
20 Gauge Remington Model 11-87 Sportsman Field Semi Automatic Shotgun 26  Barrel 3  Chamber Satin Finished Walnut Stock Blued Barrel
62440
$673.68
IN STOCK at Warehouses
10,11,12,3,6,4,7,8
Charles Daly 300 Pump Action Shotgun 20 Gauge 26  Barrel 3  Chamber 5 Rounds Synthetic Stock Black Receiver Finish C33002
87723
$315.95
IN STOCK at Warehouse
4
Remington Model 11-87 Sportsman Deer Semi Auto 20 Gauge Shotgun 21  Barrel 3  Chamber 4 Rounds Black Synthetic Stock Matte Black Finish
7-G9877
$732.18
IN STOCK at Warehouses
4,7,8
RWC Saiga Semi Automatic Shotgun 20 Gauge 19  Barrel 2.75  Chamber 5 Rounds Synthetic Stock Black Finish IZ105
2-RWCIZ105
$825.02
IN STOCK at Warehouse
2
Winchester SX3 Waterfowl Semi Automatic Shotgun 20 Gauge 28  Vent Rib Barrel 3  Chamber 4 Rounds Synthetic Stock Realtree Max 4 Camo Finish 511151692
7-G511151692
$842.49
IN STOCK at Warehouses
4,7
Remington Model 1100 Sporting Semi Auto Shotgun 20 Gauge 28  Barrel 2-3/4  Chamber 4 Rounds American Walnut Stock Blue Barrel
95399
$962.61
IN STOCK at Warehouses
10,11,12,2,6,4,7,8
Winchester SX3 Waterfowl Semi Automatic Shotgun 20 Gauge 28  Vent Rib Barrel 3  Chamber 4 Rounds Synthetic Stock Realtree Max 4 Camo Finish 511151692
86389
$966.48
IN STOCK at Warehouses
4,7
20 Gauge Remington Model 11-87 Sportsman Deer Semi Automatic Shotgun 21  Barrel 3  Chamber 4 Rounds Black Synthetic Stock Matte Black Finish
99877
$727.08
IN STOCK at Warehouses
4,7,8
Breda ECHO Semi Automatic Shotgun 20 Gauge 28  Barrel 3 Rounds Walnut Stock Black Finish BRE04
83973
$1,034.95
IN STOCK at Warehouse
4
Tristar Viper G2 Semi Auto Shotgun 20 Gauge 28  Barrel 3  Chamber 4 Rounds Synthetic Stock RealTree Max 4 Finish Fiber Optic Front Sight
6-0136540
$506.23
IN STOCK at Warehouses
6,7
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
10-0137995
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
11-0137995
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
3-0137995
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 28  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA28
8-BER-J40AA28
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
6-0137995
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
7-GJ40AA26
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
8-BER-J40AA26
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Beretta A400 Xplor Action with Kick-Off Semi Automatic Shotgun 20 Gauge 26  Barrel 3  Chamber Walnut Stock Bronze Toned Aluminum-alloyed Receiver J40AA2
90384
$1,355.00
IN STOCK at Warehouses
10,11,3,4,6,7,8
Escort Supreme Magnum Semi Automatic Shotgun 20 Gauge 26  Barrel 3.5  Chamber 4 Rounds Walnut Stock Blued Finish HAS20A02600
8-LSI-HAS20A02600
$548.24
IN STOCK at Warehouses
4,8
Mossberg SA-20 Bantam Semi Auto Shotgun 20 Gauge 24  Barrel 5 Rounds 3  Chamber Synthetic Stock Blued Finish 75770
8-MOSS-75770
$429.15
IN STOCK at Warehouses
2,3,4,8
Mossberg SA-20 Bantam Semi Auto Shotgun 20 Gauge 24  Barrel 5 Rounds 3  Chamber Synthetic Stock Blued Finish 75770
2-MS75770
$440.35
IN STOCK at Warehouses
2,3,4,8
Mossberg SA-20 Bantam Semi Auto Shotgun 20 Gauge 24  Barrel 5 Rounds 3  Chamber Synthetic Stock Blued Finish 75770
3-0128551
$466.68
IN STOCK at Warehouses
2,3,4,8
Mossberg SA-20 Bantam Semi Auto Shotgun 20 Gauge 24  Barrel 5 Rounds 3  Chamber Synthetic Stock Blued Finish 75770
54549
$430.45
IN STOCK at Warehouses
2,3,4,8
20 Gauge CZ 720 Youth Semi Automatic Shotgun 24  Barrel 3  Chamber 5 Rounds Turkish Walnut Stock Black Barrel
8-CZ-06039
$459.94
IN STOCK at Warehouse
8
Escort PS Semi Automatic Shotgun 20 Gauge 26  Vent Rib Barrel 3  Chamber 4 Rounds Synthetic Matte Black HAT00115
11-0125842
$451.94
IN STOCK at Warehouses
10,11,8
 
 
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