Engineering:Personal defense weapon

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Short description: Self-defense firearm
An FN P90, a well-known personal defense weapon

Personal defense weapons (PDWs) are a class of compact, magazine-fed, submachine gun-like automatic firearms designed to fire rifle-like cartridges. Most PDWs fire a small-caliber (generally less than 8 mm or 0.31 in in bullet diameter), high-velocity centerfire bottleneck cartridge resembling a scaled-down intermediate cartridge, essentially making them an "in-between" hybrid between a submachine gun and a carbine.

The use of these rifle-like cartridges gives the PDWs much better ballistic performance (effective range, external ballistics and armor-penetrating capability) than conventional submachine guns, which fire larger-caliber but slower and less aerodynamic handgun cartridges. The low recoil of these "sub-intermediate" cartridges also makes muzzle jumps on PDWs (which typically have short barrels) much easier to handle than short-barreled rifles, especially when shooting in automatic fire or burst fire.

The name describes the weapon's original conceptual role: as a compact but powerful small arm that can be conveniently carried for personal defense, usually by support personnel behind the front line such as military engineers, logistic drivers, medical specialists, artillery crews, or signallers. These "second-line" personnel are not strictly combat troops expected to directly engage the enemy, but may still be at risk of encountering decently equipped (and often well-armored) hostile skirmishers and infiltrators, therefore having to defend themselves in close quarters. Such encounters will warrant an effective weapon that is easy to use while having sufficient firepower to suppress enemy charges and hold them beyond a safe perimeter to prevent the defenders from being overrun, but the risk of hostility is rare enough that a standard service rifle would be an unnecessary burden during their normal duties.

Because of their light weight, controllability, ease of operation and close-range effectiveness (can defeat a NATO CRISAT vest[1] or an NIJ IIIA soft Kevlar armor[2][3] at up to 200 m (220 yd)), PDWs have also been used by special forces, paramilitaries, heavily armed tactical police, and bodyguards.

History

9mm Parabellum "Red 9" Mauser C96 with stock

In the late 19th and early 20th centuries, shortened versions of the infantry rifle were issued as "carbines" for cavalry troops and gun crews. This designation was dropped as infantry rifle designs became shortened overall, such as in the Short Magazine Lee–Enfield rifle. Thereafter, handguns were typically issued as self-defense weapons. However, they were not effective in most close combat situations. As a result, during the First World War, the Mauser C96 and artillery versions of the Luger pistol were issued with attachable shoulder stock holsters, which allowed for greater control and accuracy.

Pedersen device drawing

During World War I, the United States secretly developed the Pedersen device attachment for the M1903 Springfield rifle that allowed it to fire the .30-18 Auto (7.65×20mm Longue) pistol cartridge in semi-automatic mode.[4][5] This attachment was developed to allow an infantryman to convert "his rifle to a form of submachine gun or automatic rifle" in approximately 15 seconds.[5][4]

Production of the device and modified M1903 rifles started in 1918.[5] However, the war ended before they were sent to Europe.[4][5] The contract was cancelled on March 1, 1919, after production of 65,000 devices, 1.6 million magazines, 65 million cartridges and 101,775 modified Springfield rifles.[4][5][6] The Pedersen device was declared surplus in 1931.[6] To prevent them from falling into the hands of the lawless, nearly all of the stored devices were destroyed by the Army except for a few examples kept by Ordnance Department.[7][6]

The Chauchat-Ribeyrolles 1918

In 1918, Ribeyrolles, Sutter and Chauchat design Chauchat-Ribeyrolles 1918 submachine gun. This weapon was meant to be used for close-range protection for the French tank crews. The weapon is based on the RSC Mle. 1917 semi-automatic rifle mechanism. The first trials used a Mannlicher–Berthier clip holding eight cartridges. The trials continued until 1919 with a weapon using the same magazine as the Chauchat. The results were satisfactory but the weapon was too powerful for the intended self-protection use. A mix of standard and tracer bullets was planned to be used to assist in aiming.

M1 Garand and M1 Carbine

In 1938, the U.S. Army Ordnance Department received a request for a light rifle to be issued to mortarmen, radiomen, drivers, clerks, cooks, and similar grades.[8] During field exercises, these troops found that the M1 Garand rifle was too heavy and too cumbersome for general issue. And, while handguns are undeniably convenient, they had limited range, accuracy and power. This request was refused by authorities.[8]

In 1940, after Germany's use of glider-borne and paratroop forces to infiltrate and attack strategic points behind the front lines,[9][10] the request for a light rifle was resubmitted and subsequently approved.[8] U.S. Army Ordnance issued a requirement for a "light rifle" with greater range, firepower, and accuracy than the M1911 pistol while weighing half as much as the M1 Garand.[11] As a result, the U.S. developed the semi-automatic M1 Carbine and shortly thereafter the select-fire M2 Carbine. Widely employed until the end of the Vietnam War, these carbines are generally considered the forerunners of modern personal defense weapons.[12]

AO-46

In 1969, AO-46 was an unsolicited design by Peter Andreevich Tkachev working at TsNIITochMash. Although not accepted for service, this design, in combination with report of the US use of the XM-177 in Vietnam led the GRAU to start the competition known as Project Modern, which led to the adoption of AKS-74U for service.[13][14]

M231 Firing Port Weapon

In 1979, Rock Island Arsenal design an adapted version of the M16 assault rifle for shooting from firing ports on the M2 Bradley named M231 Firing Port Weapon. In 1980, the weapon was adopted as the M231.[15] Although most of the Bradley AFV's ports have since been removed, these weapons are maintained, and are used by crews for self-defense, close-quarters situations, and for firing from the rear door firing ports as intended.

Heckler & Koch MP7A1

Developed during the 1980s, the "Personal Defense Weapon" (PDW) concept was created in response to a NATO request as a replacement for 9×19mm Parabellum submachine guns. The PDW is a compact automatic weapon that can defeat enemy body armor and which can be used conveniently by non-combatant and support troops, as well as a close quarters battle weapon for special forces and counter-terrorist groups.[16][17]

Introduced in 1991, the FN P90 features a bullpup design with a futuristic appearance. It has a 50-round magazine housed horizontally above the barrel, an integrated reflex sight and fully ambidextrous controls.[18] A simple blow-back automatic weapon, it was designed to fire the FN 5.7×28mm cartridge which can penetrate soft body armor.[16][17] The P90 was designed to have a length no greater than a man's shoulder width, to allow it to be easily carried and maneuvered in tight spaces, such as the inside of an armored vehicle.[18]

Introduced in 2001, the Heckler & Koch MP7 is a direct rival to the FN P90. Featuring a more conventional-looking design, the MP7 uses a short-stroke piston gas system as used on H&K's G36 and HK416 assault rifles, in place of a blowback system traditionally seen on submachine guns.[19] The MP7 is able to use 20-, 30- and 40-round magazines and fires 4.6×30mm ammunition which can penetrate soft body armor. Due to the heavy use of polymers in its construction, the MP7 is much lighter than older SMG designs, weighing only 1.2 kg (2.65 lb) with an empty 20-round magazine.

Russia uses 7N21 and 7N31 cartridges which are hotter loaded 9x19mm Parabellum cartridges with special armor piercing bullets. The armor piercing bullets consist of a hardened steel core inside a lighter sleeve which damages soft targets but strips off if it hits an armored target and lets the core pierce it.[20][21][22][23] The RG054 variant of the 9×21mm cartridge follows the same pattern.[24][23] The space between the core and the bimetallic jacket is filled with polyethyelene which results in 7N21 being lighter than regular 9x19mm, 7N31 is even lighter than 7N21.[25] Using a diffrent variant of the same cartridge bears the advantage that regular ammunition can still be used. The PP-19-01 Vityaz, PP-2000 and GSh-18 can use regular 9x19mm Parabellum as well as the 7N21 and 7N31 ammunition. The Russian Aerospace Forces added the PPK-20 variant of the PP-19-01 Vityaz into the ejection survival kits of the MiG-29, Mig-35, Su-24, Su-27, Su-30SM, Su-34, Su-35 and Su-57.[26]

Applications

Three civilian 5.7×28mm cartridges as used in the P90. The left cartridge has a plain hollow tip, the center cartridge has a red plastic V-max tip intended to ensure bullet expansion, and the right cartridge has a blue plastic V-max tip.

The PDW concept has not been widely successful, partly because existing PDWs are not significantly cheaper to manufacture than carbines or full-size military rifles. Most PDWs also use a proprietary cartridge, such as the 5.7×28mm cartridge for the FN P90 or the 4.6×30mm for the H&K MP7, neither of which were originally compatible with any existing pistols or rifles/carbines. Although both manufacturers planned handguns that used the same proprietary rounds, only FN went forward with production of the Five-SeveN pistol, which was the only handgun option available for the 5.7×28mm cartridge for over two decades until the introduction of Ruger-57 in 2019. In turn, this made the PDW cartridges expensive to consumers due to the lack of mass production.[27]

Though personal defense weapons have not been very popular for their intended application, they have been acquired by various military special forces units and law enforcement groups, as a direct upgrade for their older submachine guns. The FN P90 and Five-seven pistol are used by military and police forces in over 40 countries throughout the world, including Canada, Cyprus, France, Greece, India, Peru, Poland, Spain, and the United States.[28] The Heckler & Koch MP7 is also used in a number of countries, including Austria, France, Germany, Ireland, Norway, Malaysia, and the United Kingdom.[29][30]

PDW cartridges

Traditional Personal defense weapons

Name Cartridge Country Serial production Note
Amogh carbine 5.56×30mm MINSAS India yes
AR-57 5.7×28mm United States yes M16 lower receiver with a redesigned upper receiver fed by FN P90 magazines
Brügger & Thomet MP9 6.5×25mm CBJ, 9×19mm Switzerland yes
CF-05 5.8×21mm China no Competitor to the QCW-05
Colt MARS 5.56×30mm MARS United States no
ČZW-438 4.38×30mm Libra Czech Republic no
FN P90 5.7×28mm Belgium yes
Gepard (submachine gun) 9x17mm
9×18mm Makarov
9×19mm
9×19mm 7N21
9×21mm
9×21mm Gyurza
9×30mm Grom 		Russia no
Heckler & Koch MP7 4.6×30mm Germany yes
Interdynamics MKR 4.5×26mm MKR Sweden no
Modern Sub Machine Carbine 5.56×30mm MINSAS India yes
MP5 rechambering kit for 6.5×25mm CBJ 6.5×25mm CBJ Sweden
PP-19-01 Vityaz 9×19mm
9×19mm 7N21
9×19mm 7N31 		Russia yes
PP-2000 9×19mm
9×19mm 7N21
9×19mm 7N31 		Russia yes
PP-90M1 9×19mm
9×19mm 7N31 		Russia yes
QCW-05 5.8×21mm China yes
Saab Bofors Dynamics CBJ-MS 6.5×25mm CBJ Sweden no
SR-2 Veresk 9×21mm Gyurza Russia yes
ST Kinetics CPW 4.6×30mm, 5.7×28mm, 9×19mm[34] Singapore yes
Tuma MTE 224 VA .224 Voboril Switzerland no
VBR-Belgium PDW[35] 7.92×24mm
Zittara-21 5.56×30mm MINSAS India /Israel No

Other

Name Cartridge Country Serial production Note
AAC Honey Badger .300 AAC Blackout (7.62×35mm) United States yes
AKS-74U 5.45×39mm Soviet Union yes
AO-46 5.45×39mm Soviet Union no
Barrett REC7 PDW 6.8mm Remington SPC (6.8×43mm) United States
Bushmaster Arm Pistol 5.56×45mm United States no
Chauchat-Ribeyrolles 1918 8×50mmR Lebel France no
Floro PDW 5.56×45mm Philippines
FN SCAR PDW 5.56×45mm Belgium yes got replaced by FN SCAR SC
FN SCAR SC 5.56×45mm, .300 AAC Blackout (7.62×35mm) Belgium yes A new variant of the FN SCAR, with a .300 Blackout chambering kit released in late 2018.[36]
GA Personal Defense Weapon 7.62×37mm Musang Philippines
GAU-5A Aircrew Self Defense Weapon 5.56×45mm United States yes Takedown gun
Heckler & Koch MP5K-PDW 9×19mm Parabellum Germany yes
Knight's Armament Company PDW 6×35mm KAC,.300 Blackout United States yes
M231 Firing Port Weapon 5.56×45mm United States yes
Magpul PDR 5.56×45mm United States no
SIG MCX Rattler 5.56×45mm United States yes

PDW-caliber handguns

Name Cartridge Country Serial production Note
Accelerator Pistol MP-5.7[37] 5.7×28mm United States yes
CMMG Dissident, Mk4/Mk57[38][39] 5.7×28mm United States yes Mk57 versions can use the Five-seveN magazine
DBX57[40] 5.7×28mm United States yes can use the Five-seveN magazine
FK BRNO Field Pistol, PSD 7.5x27mm Czech Republic yes
FN Five-seven 5.7×28mm Belgium yes
Fort 28[41][42] 5.7×28mm Ukraine
Glock 17 rechambering kit for VBR 7.92x24mm[43] 7.92×24mm Belgium
Glock 17 rechambering kit for 6.5×25mm CBJ 6.5×25mm CBJ Sweden
GSh-18 9×19mm
9×19mm 7N21 		Russia yes
Heckler & Koch UCP 4.6×30mm Germany no
KALEKALIP KNG-C5[44] 5.56×45mm NATO Turkey no
Kel-Tec P50 5.7×28mm United States yes
M&P 5.7 5.7×28mm United States yes
SIG Sauer SP 2022 rechambering kit for 6.5×25mm CBJ 6.5×25mm CBJ Sweden
SR-1 Vektor 9×21mm Gyurza Russia yes
SR-2 Udav 9×21mm Gyurza Russia yes
MPA57[45] 5.7×28mm United States yes
MP-443 Grach 9×19mm
9×19mm 7N21
9×19mm 7N31 		Russia yes
Pindad PS-01 5.56×21mm PINDAD Indonesia no
PSA 5.7 Rock 5.7×28mm United States yes
QSZ-92 / QSW-06 5.8×21mm China yes
QSZ-11[46] 5.8×21mm China yes
RSh-12 12.7×55mm STs-130 Russia yes
Ruger-57 5.7×28mm United States yes
VBR PDW/CQBW[47][48] 4.6×30mm, 5.7×28mm, VBR 6 mm CQBW, 7.92×24mm Belgium
X-5.7P Basic Pistol 30RD[49] 5.7×28mm United States yes


PDW-caliber civilian firearms

PDW-caliber guns without select fire capabilities

Name Cartridge Country Note
AR-57 5.7×28mm United States M16 lower receiver with a redesigned upper receiver fed by FN P90 magazines
CMMG Banshee, Mk4/Mk57[50][51][52]

CMMG Resolute, Mk4/Mk57[53][54]

4.6×30mm

5.7×28mm

United States Mk57 versions can use the Five-seveN magazine
Excel Arms MR-57[55] 5.7×28mm United States
MPA57000DMG

[56]

5.7×28mm United States
PS90 5.7×28mm Belgium
R50 5.7×28mm United States P50 pistol with longer barrel and stock
Ruger LC Carbine[57] 5.7×28mm United States
Savage 25 Walking Varminter[58] 5.7×28mm United States

See also

References



  1. ↑ RUAG Ammotec 2.0 g German Army 4.6×30mm Penetrator DM11 cartridge factsheet
  2. ↑ Wall, Sandy (April 2003). "Spring 2003 Experiences with the FN P90". Hendon Publishing Co.. http://www.hendonpub.com/resources/articlearchive/details.aspx?ID=309. 
  3. ↑ Fortier, David (2008). "Military Ammo Today". Handguns Magazine. http://www.handgunsmag.com/ammunition/hg_militarytoday_200811. 
  4. ↑ 4.0 4.1 4.2 4.3 https://www.guns.com/news/2013/06/22/perishings-super-weapon-the-pedersen-device/ "The Pedersen Device: The World War I superweapon that (almost) won the war". 6/22/13. by Chris Eger
  5. ↑ 5.0 5.1 5.2 5.3 5.4 Military Small Arms of the 20th Century. 7th Edition. by Ian V. Hogg & John S. Weeks. Krause Publications. 2000. pages 284 & 285
  6. ↑ 6.0 6.1 6.2 Julian S. Hatcher, Hatcher's Notebook, Military Service Publishing Co., 1947, Ch. 15 The Pedersen Device, pp. 361-372.
  7. ↑ Canfield, Bruce N. (2003). "Never in Anger: the Pedersen Device". American Rifleman (National Rifle Association of America) 151 (June): 58–61&71. 
  8. ↑ 8.0 8.1 8.2 Military Small Arms of the 20th Century. 7th Edition. by Ian V. Hogg & John S. Weeks. Krause Publications. 2000. pages 289-290
  9. ↑ George, John, Shots Fired In Anger, NRA Press (1981), p. 394
  10. ↑ Weeks, John, World War II Small Arms, London: Orbis Publishing Ltd. and New York: Galahad Books, ISBN:0-88365-403-2, ISBN:978-0-88365-403-3 (1979), p. 130
  11. ↑ Larry Ruth, M1 Carbine: Design, Development & Production, (The Gun Room Press, 1979, ISBN:0-88227-020-6) contains many Ordnance documents related to the "Light Rifle" specification that led to the M1 carbine
  12. ↑ Thompson, Leroy (2011). The M1 Carbine. Osprey Publishing. pp. 4, 68. 
  13. ↑ Monetchikov, Sergei (2005) (in Russian). St. Petersburg: Military Historical Museum of Artillery, Engineers and Signal Corps. p. 165. ISBN 5-98655-006-4. 
  14. ↑ "Солдат удачи" номер 9 (72) 2000 Д.Ширяев "Кто изобрел автомат Калашникова?"
  15. ↑ United States, 1997. p. 4-2
  16. ↑ 16.0 16.1 Miller, David (2001). The Illustrated Directory of 20th Century Guns. London: Salamander Books Ltd.. ISBN 9781840652451. 
  17. ↑ 17.0 17.1 Oliver, David (2007). "In the Line of Fire". Global Defence Review. http://www.global-defence.com/2006/Utilities/article.php?id=40. 
  18. ↑ 18.0 18.1 Kevin, Dockery (2007). Future Weapons. New York: Berkley Trade. ISBN:9780425217504.
  19. ↑ Cutshaw, Charles Q. (2003). "Heckler & Koch's cutting-edge compacts G36C and MP7 PDW: when less really is more". Guns Magazine. http://findarticles.com/p/articles/mi_m0BQY/is_2_49/ai_95680072/. 
  20. ↑ "9 x 19 mm 7N21 - Jane's Infantry Weapons". 2012-06-16. https://web.archive.org/web/20120616115824/http://articles.janes.com/articles/Janes-Infantry-Weapons/9-x-19-mm-7N21.html. 
  21. ↑ "9х19 mm pistol-fired armor-piercing cartridge 7N31 | Catalog Rosoboronexport". 2023-10-25. https://web.archive.org/web/20231025032609/https://roe.ru/eng/catalog/special-weapons-and-ammunitions/submachine-guns/7n31/. 
  22. ↑ "9x19 cartridges". 2014-11-29. https://web.archive.org/web/20141129012249/http://gunsru.ru/rg_patron_9x19_eng.html. 
  23. ↑ 23.0 23.1 "Where Next For PDWs". 2019-09-05. https://web.archive.org/web/20190905050721/http://www.quarryhs.co.uk/PDWs.htm. 
  24. ↑ "ПИСТОЛЕТНЫЙ ПАТРОН С БРОНЕБОЙНОЙ ПУЛЕЙ СП-10, РГО-52, 7Н29 (РОССИЯ)" (in Russian). https://archive.today/20231225191654/http://www.dogswar.ru/boepripasy/41-patrony/7922-pistoletnyi-patron-s.html. 
  25. ↑ "Modern Firearms - Russian special ammunition". 2012-10-09. https://web.archive.org/web/20121009050936/http://world.guns.ru/ammunition/russian-special-cartridges-e.html. 
  26. ↑ "ЦАМТО / / ВКС приняли решение о включении автомата ППК-20 в комплект выживания военных летчиков". https://armstrade.org/includes/periodics/news/2021/0903/095064351/detail.shtml. 
  27. ↑ "New VBR-B Multi-Caliber (9mm NATO/7.92×24mm) Compact PDW Pistol: Most Intelligently-Developed Personal Defense Weapon Yet?". 2009-11-28. https://defensereview.com/new-multi-caliber-vbr-belgium-pdw-pistol-most-intelligently-developed-personal-defense-weapon-yet/. 
  28. ↑ Francotte, Auguste; Claude, Gaier; Robert, Karlshausen, eds (January 2008). Ars Mechanica – The Ultimate FN Book. Vottem: Herstal Group. ISBN 978-2-87415-877-3. 
  29. ↑ "BMI". http://www.bmi.gv.at/cms/BMI_EKO_Cobra/publikationen/files/LawOrder.pdf. 
  30. ↑ Gourley, S.; Kemp, I (November 26, 2003). "The Duellists". Jane's Defence Weekly (ISSN 0265-3818), Volume 40 Issue 21, pp 26–28.
  31. ↑ "Cal. 7.92x24 FMJ-OGI-71-P". 2010-11-23. http://fsdip.com/website/VBRBelgiumHome/English/Cal792x24mmNormal/Cal792x24AEFMJRN/Cal792x24FMJOGI71P/tabid/325/Default.aspx. 
  32. ↑ "7.92 Ammo selector". 2010-12-17. http://fsdip.com/website/VBRBelgiumHome/English/792Ammoselector/tabid/249/Default.aspx. 
  33. ↑ "Cal. 7.92x24 AE-FMJ-RN". 2011-09-22. http://www.fsdip.com/website/VBRBelgiumHome/English/Cal792x24mmNormal/Cal792x24AEFMJRN/tabid/320/Default.aspx. 
  34. ↑ "STKinetics CPW submachine gun – Compact Personal Weapon". Singapore. 27 October 2010. http://world.guns.ru/smg/sing/stk-cpw-e.html. 
  35. ↑ "New VBR-B Multi-Caliber (9mm NATO/7.92×24mm) Compact PDW Pistol: Most Intelligently-Developed Personal Defense Weapon Yet?". 2009-11-28. https://defensereview.com/new-multi-caliber-vbr-belgium-pdw-pistol-most-intelligently-developed-personal-defense-weapon-yet/. 
  36. ↑ "New FN SCAR®-SC Subcompact Carbine | FN HERSTAL". 15 November 2017. http://www.fnherstal.com/news/new-fn-scar-sc-subcompact-carbine. 
  37. ↑ "rifles, Excel Arms, Manufacturer of innovative weapon systems Ontario, CA ACCELERATOR PISTOL". 2022-07-01. http://www.excelarms.com/handguns/acceleratorpistol.html. 
  38. ↑ "Pistol, DISSENT, Mk57, 5.7x28MM, 6.5" | CMMG - AR 15 and AR 10 Builds and Parts". 2023-03-25. https://cmmg.com/pistol-dissent-mk57-5-7x28mm-6-5. 
  39. ↑ "Pistol, DISSENT, Mk4, 5.7x28MM, 6.5" | CMMG - AR 15 and AR 10 Builds and Parts". 2023-03-17. https://cmmg.com/pistol-dissent-mk4-5-7x28mm-6-5. 
  40. ↑ "DBX - Diamondback Firearms". 2023-06-14. https://diamondbackfirearms.com/dbx/. 
  41. ↑ "Fort 28 Pistol" (in en). 2017-10-31. https://modernfirearms.net/en/handguns/fort-28-pistol-ukraine-2/. 
  42. ↑ "Ukrainian Fort-28 Pistol cal. 5.7x28 mm". 2023-06-18. https://en.ukrmilitary.com/2018/10/ukrainian-fort-28-pistol-cal-57x28-mm.html. 
  43. ↑ "Glock 17 in kal.7.92x24 mm | vbrbelgium.com". 2023-06-19. https://vbrbelgium.com/glock-17-in-kal-7-92x24-mm/. 
  44. ↑ "KALE KALIP | KNGC5" (in en). https://www.kalekalip.com.tr/products/kngc5. 
  45. ↑ D.K. Pridgen (November 12, 2014). "Masterpiece Arms MPA57 SST 5.7×28mm". http://www.tactical-life.com/firearms/masterpiece-arms-mpa57-sst-57x28mm/. 
  46. ↑ "Пистолет QSZ-11". https://zonwar.ru/pistolet/QSZ-11.html. 
  47. ↑ "VBR 4.6 PDW Eng". 2009-03-18. http://www.fsdip.com:80/website/VBRBelgiumHome/English/VBR46PDWEng/tabid/305/Default.aspx. 
  48. ↑ "VBR-B 7.92 PDW/CQBW eng". 2009-05-17. http://www.fsdip.com/website/VBRBelgiumHome/English/VBR46PDWEng/VBRB792PDWCQBWeng/tabid/307/Default.aspx. 
  49. ↑ "rifles, Excel Arms, Manufacturer of innovative weapon systems Ontario, CA X-SERIES PISTOL". 2023-06-14. http://www.excelarms.com/handguns/xseriespistol.html. 
  50. ↑ "PISTOL, BANSHEE, Mk4, 4.6X30MM, 8" | CMMG - AR 15 and AR 10 Builds and Parts". 2023-03-17. https://cmmg.com/pistol-banshee-mk4-4-6x30mm-8. 
  51. ↑ "PISTOL, BANSHEE, Mk4, 5.7X28MM, 8" | CMMG - AR 15 and AR 10 Builds and Parts". 2022-12-25. https://cmmg.com/pistol-banshee-mk4-5-7x28mm-8. 
  52. ↑ "PISTOL, BANSHEE, Mk57, 5.7X28MM, 8" | CMMG - AR 15 and AR 10 Builds and Parts". 2023-03-25. https://cmmg.com/pistol-banshee-mk57-5-7x28mm-8. 
  53. ↑ "RESOLUTE, Mk4, 5.7X28MM, 16.1" | CMMG - AR 15 and AR 10 Builds and Parts". 2023-06-14. https://cmmg.com/resolute-mk4-5-7x28mm-16-1. 
  54. ↑ "RESOLUTE, Mk57, 5.7X28MM, 16.1" | CMMG - AR 15 and AR 10 Builds and Parts". 2023-06-14. https://cmmg.com/resolute-mk57-5-7x28mm-16-1. 
  55. ↑ "Excel Arms MR-5.7 5.7x28mm Semi-Automatic Accelerator Rifle, Black - EA57101 | Palmetto State Armory". 2022-09-26. https://palmettostatearmory.com/excel-arms-mr-5-7-22-wmr-5-7x28mm-semi-automatic-accelerator-rifle-black-ea57101.html. 
  56. ↑ "MPA5700DMG 5.7x28mm Carbine - MasterPiece Arms, Inc.". 2022-05-19. https://masterpiecearms.com/shop/mpa5700sst-5-7x28mm-carbine/. 
  57. ↑ "Ruger® LC Carbine™ Autoloading Rifle Model 19300". 2023-06-14. https://www.ruger.com/products/lcCarbine/specSheets/19300.html. 
  58. ↑ "Savage Bolt-Action Rifle in 5.7x28mm FN | Armory Blog". 2012-02-04. https://www.armoryblog.com/firearms/rifles/savage-boltaction-rifle-57x28mm-fn/. 
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