Semi-Auto Firearms

Compare semi-auto prices from top retailers. Find the best deals across all major brands.

Top Semi-Auto Brands

Sig Sauer 2,210 Glock 1,856 Springfield Armory 1,532 Smith & Wesson 1,462 CMMG 1,351 Ruger 1,335

Semi-Auto Calibers

9mm Luger 12,783 5.56x45mm NATO 5,703 12 Gauge 4,794 45 ACP 2,980 22 LR 2,710 308 Winchester 1,456

All Semi-Auto Firearms Products (41,534 results)

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$JTS M12AK-T1A 12 Gauge 18.7\" 5+1 Semi-Auto Shotgun Chrome Lined Barrel M-LOK Rail - JTS Shotguns$

JTS M12AK-T1A 12 Gauge 18.7\" 5+1 Semi-Auto Shotgun Chrome Lined Barrel M-LOK Rail

$346.49 $365.00

● In Stock

Lead Star Arms Grunt 5.56 | 16" Barrel | 810055793112 - Lead Star Arms

Lead Star Arms Grunt 5.56 | 16" Barrel | 810055793112

$753.00 $892.52

● In Stock

Lead Star Arms Grunt Rifle | 5.56 NATO | 16" Barrel | 810055793013 - Lead Star Arms

Lead Star Arms Grunt Rifle | 5.56 NATO | 16" Barrel | 810055793013

$772.00 $915.79

● In Stock

Arsenal Firearms SAM7SFC-61 | 7.62x39mm | 16.3" | 810054134244 - Arsenal Firearms

Arsenal Firearms

Arsenal Firearms SAM7SFC-61 | 7.62x39mm | 16.3" | 810054134244

● Out of Stock

STAG ARMS Stag-15 Tactical QPQ M-LOK 5.56 NATO 16" 30rd Semi-Auto AR15 Rifle - Black - Stag Arms

STAG ARMS Stag-15 Tactical QPQ M-LOK 5.56 NATO 16" 30rd Semi-Auto AR15 Rifle - Black

● In Stock

DRD Tactical APTUS 5.56mm Semi-Automatic AR-15 Rifle - DRD Tactical

DRD Tactical APTUS 5.56mm Semi-Automatic AR-15 Rifle

● In Stock

CMMG Endeavor MK3 Midnight Bronze 6.5 Creedmoor 20 Barrel 20-Rounds - CMMG

CMMG Endeavor MK3 Midnight Bronze 6.5 Creedmoor 20 Barrel 20-Rounds

● In Stock

CMMG Banshee MK57 5.7x28mm Pistol 5", Black - 57ABCAD-AB - CMMG

CMMG Banshee MK57 5.7x28mm Pistol 5", Black - 57ABCAD-AB

● Out of Stock

CMMG Mk57 Banshee 5.7x28mm 8" Pistol Tube Armor Blk - CMMG

CMMG Mk57 Banshee 5.7x28mm 8" Pistol Tube Armor Blk

$1,199.99 $1,433.85

● In Stock

CMMG Resolute Mk57 5.7x28mm 16.1" 20rd Semi-Auto Rifle - M-LOK | Black - CMMG

CMMG Resolute Mk57 5.7x28mm 16.1" 20rd Semi-Auto Rifle - M-LOK | Black

● Out of Stock

CMMG Banshee MKG 45ACP AR Pistol with 5 Inch Barrel and Armor Black Cerakote Finish - CMMG

CMMG Banshee MKG 45ACP AR Pistol with 5 Inch Barrel and Armor Black Cerakote Finish

● Availability Unknown

CMMG Resolute MKGS 45ACP 16.1" 26rd Semi-Auto AR15 Rifle - M-LOK / Glock Mags - Coyote Tan - CMMG

CMMG Resolute MKGS 45ACP 16.1" 26rd Semi-Auto AR15 Rifle - M-LOK / Glock Mags - Coyote Tan

● Out of Stock

CMMG Resolute MkG 45ACP 16.1" 26rd Semi-Auto Rifle | Charcoal Green - CMMG

CMMG Resolute MkG 45ACP 16.1" 26rd Semi-Auto Rifle | Charcoal Green

● Out of Stock

CMMG Resolute Mk3 308 Win 16.1" 20rd Semi-Auto Rifle | Titanium - CMMG

CMMG Resolute Mk3 308 Win 16.1" 20rd Semi-Auto Rifle | Titanium

● Out of Stock

CMMG Resolute Mk3 308 Win 16.1" 20rd Semi-Auto Rifle | Charcoal Green - CMMG

CMMG Resolute Mk3 308 Win 16.1" 20rd Semi-Auto Rifle | Charcoal Green

● Out of Stock

CMMG Resolute Mk4 350 Legend 16.1" 30rd Semi-Auto Rifle | Midnight Bronze - CMMG

CMMG Resolute Mk4 350 Legend 16.1" 30rd Semi-Auto Rifle | Midnight Bronze

● Out of Stock

CMMG Banshee Mk10 Pistol 10mm 8" Pistol Tube Coyote Tan - CMMG

CMMG Banshee Mk10 Pistol 10mm 8" Pistol Tube Coyote Tan

● Availability Unknown

Troy SPC-A4 Rifle 5.56mm 30rd Magazine 16" Barrel Black with Gen 2 SOCC Rail - TROY Industries

TROY Industries

Troy SPC-A4 Rifle 5.56mm 30rd Magazine 16" Barrel Black with Gen 2 SOCC Rail

$1,073.99 $1,138.99

● In Stock

DIAMONDBACK FIREARMS Carbon DB15 350 Legend 16" 5rd Semi-Auto Rifle - M-LOK - Black - Diamondback Firearms

Diamondback Firearms

DIAMONDBACK FIREARMS Carbon DB15 350 Legend 16" 5rd Semi-Auto Rifle - M-LOK - Black

● Out of Stock

DIAMONDBACK FIREARMS Carbon DB15 300 AAC Blackout 16" 30rd Semi-Auto AR15 Rifle - Black - Diamondback Firearms

Diamondback Firearms

DIAMONDBACK FIREARMS Carbon DB15 300 AAC Blackout 16" 30rd Semi-Auto AR15 Rifle - Black

● Availability Unknown

DIAMONDBACK FIREARMS DB15 300 AAC Blackout 16" 30rd Semi-Auto AR15 Rifle - Black - Diamondback Firearms

Diamondback Firearms

DIAMONDBACK FIREARMS DB15 300 AAC Blackout 16" 30rd Semi-Auto AR15 Rifle - Black

● Out of Stock

DIAMONDBACK FIREARMS Carbon DB15 223 Wylde 18" 30rd Semi-Auto AR15 Rifle - Stainless / Black - Diamondback Firearms

Diamondback Firearms

DIAMONDBACK FIREARMS Carbon DB15 223 Wylde 18" 30rd Semi-Auto AR15 Rifle - Stainless / Black

● Availability Unknown

Diamondback DB15 Magpul Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Flat Dark Earth Frame Black Collapsible Stock - Diamondback Firearms

Diamondback Firearms

Diamondback DB15 Magpul Semi Automatic Rifle 5.56x45mm NATO 16" Black Threaded Barrel Flat Dark Earth Frame Black Collapsible Stock

● Availability Unknown

Diamondback DB15 Carbon Series 300 AAC Blackout Rifle with M-LOK Handguard - Diamondback Firearms

Diamondback Firearms

Diamondback DB15 Carbon Series 300 AAC Blackout Rifle with M-LOK Handguard

● In Stock