- .17 HMR
- .204 Ruger
- .218 Bee
- .221-17 IMP
- .221 Remington Fireball
- .222 Remington
- .223 Remington
- .224 Boz
- .224 VOB
- .22 Hornet
- .22 Long Rifle
- .22 SCAMP
- .243 Winchester
- .25-25 Stevens
- .25 Dardick Tri-Bore Oil Drill Tround
- .260 Remington
- .270 Winchester
- .280 Halger HV Magnum
- .280 Ross
- .30-06 Springfield
- .300 AAC Blackout
- .300 Winchester Magnum
- .303 British
- .308 Winchester
- .30 Carbine
- .30 EPIC
- .30 Whitetail
- .32 ACP
- .32 Winchester Self-Loading
- .338 Federal
- .338 Lapua Magnum
- .338 Norma Magnum
- .351 Winchester Self-Loading
- .357 Magnum
- .357 SIG
- .366 TKM
- .375 CheyTac
- .375 H&H Magnum
- .375 Ruger
- .380 ACP
- .38 ACP
- .38 Special
- .404 Jeffery
- .408 CheyTac
- .40 S&W
- .410 Indian Musket
- .410 bore
- .416 Barrett
- .416 Rigby
- .416 Weatherby Magnum
- .41 Swiss
- .423 Express
- .425 Westley Richards
- .445 SuperMag
- .44 Magnum
- .44 Russian
- .44 S&W American
- .44 Special
- .45-70 Government
- .450 Black Powder Express
- .450 Express
- .450 Nitro Express
- .454 Casull
- .455 Webley
- .458 Express
- .458 Lott
- .458 U.S. Silent Sniper
- .458 Winchester Magnum
- .45 ACP
- .45 GAP
- .45 Schofield
- .460 S&W Magnum
- .470 Capstick
- .480 Ruger
- .50-110 Winchester
- .50-140 Sharps
- .50-70 Government
- .500 Black Powder Express
- .500 Express
- .500 Nitro Express
- .500 Rafiki
- .50 Action Express
- .50 BMG
- .50 Beowulf
- .50 GI
- .510 DTC EUROP
- .577 Black Powder Express
- .577 Express
- .577 Nitro Express
- .577 Revolver
- .57 HL
- .585 Gehringer
- .585 Nyati
- .600-538 Mega Magnum
- .600 Nitro Express
- .625 Mauser Magnum
- .666 Teufel
- .70-150 Winchester
- .700 Nitro Express
- .750 Nitro Express
- .950 JDJ
- 1-inch Nordenfelt gun
- 10mm Auto
- 10mm QSPR
- 12.7×108mm
- 12.7×55mm STs-130
- 12 gauge
- 13.2mm TuF
- 14.5×114mm
- 15.2×169mm APFSDS
- 16 gauge
- 17mm FN 303
- 18,5 KS-K
- 18.5×54mm SCMITR
- 1873 Buntline Target
- 1907 US Pistol & Revolver Trials
- 1955 US Army Gun Trials
- 2.7mm Kolibri
- 20 barrel CIWS
- 20 gauge
- 20×110mm
- 24 mm Tankbüchse 41
- 25×35.5mmR
- 25×59mm grenade
- 2B-A-30
- 2B-A-40
- 2B-P-25
- 308 SCA
- 30×29mmB grenade
- 37mm ARWEN
- 4.5mm SPS
- 40mm Bofors L/60
- 40mm grenade
- 5.2×68mm Rubin
- 5.45×39mm
- 5.56×25mm AAI AIWS
- 5.56×30mm MINSAS
- 5.56×45mm NATO
- 5.56×45mm SCF
- 5.56×57mm XM645
- 5.6×43.8mm XM216
- 5.6×44mm XM144
- 5.6×53mm XM110
- 5.6×57mm Triple-Bore Tround
- 5.7×28.8mm
- 55 S 55
- 577-450 Martini Henry (Cartridge)
- 5mm Clement
- 5×44mm ARES
- 5×58mm Sturtevant
- 6.5×23mmR
- 6.5×25mm CBJ
- 6.5×50mmSR Arisaka
- 6.8mm Remington SPC
- 66-136
- 6P62
- 6×45mm SAW
- 6×50mm SAW Long
- 7.5mm FK
- 7.62mm (disambiguation)
- 7.62x51mm DUDS
- 7.62×25mm Tokarev
- 7.62×37mm Musang
- 7.62×38mmR Nagant
- 7.62×39mm
- 7.62×51mm NATO
- 7.62×54mmR
- 7.63×25mm Mauser
- 7.65×20mm Longue
- 7.7 cm FK 96
- 7.7 cm FK 96 n.A.
- 7.92×107mm Maroszek
- 7.92×33mm Kurz
- 7.92×36mm EPK
- 7.92×57mm Mauser
- 701
- 7mm Teuf-Teuf
- 7×63mm Eley
- 80.002
- 8mm
- 9.3×62mm
- 9.3×64mm Brenneke
- 9.3×74mmR
- 9.65×23mm Browning
- 9A-91
- 9M14 Malyutka
- 9mm (disambiguation)
- 9mm Browning Long
- 9mm Glisenti
- 9x51mm SMAW
- 9×18mm Makarov
- 9×19mm Parabellum
- 9×21mm (disambiguation)
- 9×21mm Gyurza
- 9×21mm IMI
- 9×23mm
- 9×23mm Steyr
- 9×25mm
- 9×25mm AUPO
- 9×25mm Dillon
- 9×39mm
- A-545
- A-91
- A.A. Clive rifle
- A2P
- AA-12
- AA-52
- AAI ACR
- AAI APHHW
- AAI CAWS
- AAI Corporation
- AAI In-Line
- AAI OICW
- AAI QSPR
- AAI SBR
- AAI SMG
- AAI SPIW
- AAI XM19
- AAI XM70
- ACE system
- ACR
- ADCOR A-556
- ADEN cannon
- ADS amphibious rifle
- AEK-919K Kashtan
- AEK-971
- AEK-978
- AF2011a1
- AG-026
- AG-2
- AGA-40 Md. 85
- AGI 3×40
- AGM-1
- AGS-17
- AGX-16
- AI
- AIG Asymmetric Warrior ASW338LM
- AK
- AK-100 series
- AK-12
- AK-200 series
- AK-308
- AK-400
- AK-47
- AK-50
- AK-63
- AK-74
- AK-74MB
- AK-9
- AK-9 assault rifle
- AKB
- AKB-521
- AKM
- AKM-63
- AKMSU
- AL-2
- AL-4
- AL-7
- AL-9
- ALAC
- ALAR 91
- ALFA 44
- ALSETEX Cougar MS
- AM-17
- AMAC Delta-786
- AMD-65
- AME
- AMR-2
- AMT AutoMag II
- AMT AutoMag III
- AMT AutoMag IV
- AMT AutoMag V
- AMT Baby AutoMag
- AMT Hardballer
- AN-94
- AN/M2 Stinger
- AO-22
- AO-222
- AO-24
- AO-27
- AO-34
- AO-36
- AO-38
- AO-40
- AO-46
- AO-62
- AO-63
- AO-64
- AO-65
- APILAS
- APS underwater rifle
- AP 60
- AP 61
- AR
- AR-57
- ARCO Abider
- ARC weapons system
- ARES-Olin AIWS
- ARES FMG
- ARWEN 37
- ARWEN ACE
- AS-44
- ASH 78
- ASM-DT
- ASP
- ASP pistol
- AS Val
- AS assault rifle
- ASh-12.7
- AT4
- ATC Firefly
- AVS-36
- AWC G2
- A Squared Armament MP-A2
- Abakan
- Abiel Revelli
- Accelerator
- Accuracy International
- Accuracy International AS 50
- Accuracy International AW-50
- Accuracy International AWM
- Accuracy International AX308
- Accuracy International Arctic Warfare
- Accuracy International Precision Marksman
- Acvoke pistol
- Adams-Willmott
- Adaptive Combat Rifle
- Adler Jager
- Adolf Furrer
- Advanced Combat Optical Gunsight
- Advanced Combat Rifle program
- Advanced Individual Combat Weapon
- Advanced Primer Ignition
- Aerojet XM174
- Aeroknox
- Aesthetics
- Afanasiev light machine gun
- Afghan DBSMG
- Agram 2000
- Aimo Lahti
- Air gun
- Airrow Stealth
- Ak 5
- Akdal Ghost
- Akdal MKA 1919