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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ARMALITE M-15 40 SW 8.5" 31rd - Black - ArmaLite

ARMALITE M-15 40 SW 8.5" 31rd - Black

● In Stock

ARMALITE M-15 PDW 9mm 8.5" 33rd - Black - ArmaLite

ARMALITE M-15 PDW 9mm 8.5" 33rd - Black

● Out of Stock

SPIKE'S TACTICAL Spartan 5.56 NATO 16" - Bronze / Battleworn - Spikes Tactical

Spikes Tactical

SPIKE'S TACTICAL Spartan 5.56 NATO 16" - Bronze / Battleworn

● Availability Unknown

SPIKES TACTICAL ST15 5.56 NATO 16" 30rd - Black - Spikes Tactical

Spikes Tactical

SPIKES TACTICAL ST15 5.56 NATO 16" 30rd - Black

● Out of Stock

SPIKES TACTICAL ST15 5.56 NATO 16" 30rd - Black - Spikes Tactical

Spikes Tactical

SPIKES TACTICAL ST15 5.56 NATO 16" 30rd - Black

● In Stock

Daniel Defense MK18 SBR Tornado Grey 5.56 10.3 Barrel 30-Rounds - Daniel Defense

Daniel Defense MK18 SBR Tornado Grey 5.56 10.3 Barrel 30-Rounds

● Out of Stock

DANIEL DEFENSE DDM4 V7-CC Deep Woods Green - Daniel Defense

DANIEL DEFENSE DDM4 V7-CC Deep Woods Green

● In Stock

Daniel Defense DDM4ISR 5.56 9 Barrel No Magazine Integrally Suppressed - Daniel Defense

Daniel Defense DDM4ISR 5.56 9 Barrel No Magazine Integrally Suppressed

● In Stock

DANIEL DEFENSE MK18 Pistol Law Tactical 5.56 - Daniel Defense

DANIEL DEFENSE MK18 Pistol Law Tactical 5.56

● Out of Stock

DANIEL DEFENSE DDM4 V11 Pro 5.56 18" - Daniel Defense

DANIEL DEFENSE DDM4 V11 Pro 5.56 18"

● Out of Stock

DANIEL DEFENSE DDM4 V11 5.56 16" DD Tornado Grey - Daniel Defense

DANIEL DEFENSE DDM4 V11 5.56 16" DD Tornado Grey

● Out of Stock

DANIEL DEFENSE DDM4 V11 Carb 5.56 - Daniel Defense

DANIEL DEFENSE DDM4 V11 Carb 5.56

● Out of Stock

DDI DDM4 M4A1-NM 5.56 16-inch 30rd - Daniel Defense

DDI DDM4 M4A1-NM 5.56 16-inch 30rd

$2,259.99 $2,429.99

● In Stock

DANIEL DEFENSE DDM4 MK18 Factory SBR 5.56 NATO 10.3" 30rd Short Barrel Rifle - Daniel Defense

DANIEL DEFENSE DDM4 MK18 Factory SBR 5.56 NATO 10.3" 30rd Short Barrel Rifle

$1,849.99 $2,213.00

● In Stock

Arex Zero 2 S 9mm 4.25 Barrel 17-Rounds - Arex

Arex Zero 2 S 9mm 4.25 Barrel 17-Rounds

● Out of Stock

Arex Delta X Gen2 Grey 9mm 4 Barrel 19-Rounds OR - Arex

Arex Delta X Gen2 Grey 9mm 4 Barrel 19-Rounds OR

● Availability Unknown

Arex Delta M Gray 9mm 4 Barrel 17-Rounds OR - Arex

Arex Delta M Gray 9mm 4 Barrel 17-Rounds OR

● Out of Stock

Arex Zero 1 Tactical Flat Dark Earth 9mm 4.9 Threaded Barrel 20-Rounds OR - Arex

Arex Zero 1 Tactical Flat Dark Earth 9mm 4.9 Threaded Barrel 20-Rounds OR

● Out of Stock

Aero Precision M4E1 Complete Upper, 7.5" 5.56 Barrel, EM-7 Gen 2 Handguard - FDE Cerakote - Aero Precision

Aero Precision M4E1 Complete Upper, 7.5" 5.56 Barrel, EM-7 Gen 2 Handguard - FDE Cerakote

$374.95 $398.99

● Availability Unknown

AERO PRECISION M5E1 Complete Upper 18" .308 Rifle Barrel EM15 Ano - Aero Precision

AERO PRECISION M5E1 Complete Upper 18" .308 Rifle Barrel EM15 Ano

● Availability Unknown

LMT Defense MARS-H Piston, 7.62x51mm, 16 Barrel, 1- 20rd Magazine, Rifle - Lewis Machine and Tool

Lewis Machine and Tool

LMT Defense MARS-H Piston, 7.62x51mm, 16 Barrel, 1- 20rd Magazine, Rifle

$3,512.12 $3,831.30

● In Stock

Radical Firearms Forged .350 Legend 16 Barrel 10-Rounds - Radical Firearms

Radical Firearms

Radical Firearms Forged .350 Legend 16 Barrel 10-Rounds

● Out of Stock

Radical Firearms Forged AR 7.62 X 39 16 Barrel 10-Rounds with 15 RPR - Radical Firearms

Radical Firearms

Radical Firearms Forged AR 7.62 X 39 16 Barrel 10-Rounds with 15 RPR

● Out of Stock

Radical Firearms Forged Mil-Spec AR 15 Rifle 5.56 / .223 Rem 16 Barrel 30-Rounds - Radical Firearms

Radical Firearms

Radical Firearms Forged Mil-Spec AR 15 Rifle 5.56 / .223 Rem 16 Barrel 30-Rounds

● Availability Unknown