Варианты M4: (с пастой из английской википедии)

Except for the very first delivery order, all U.S. military-issue M4 and M4A1 carbines possess a flat-top NATO M1913-specification (Picatinny) rail on top of the receiver for attachment of optical sights and other aiming devices — Trijicon TA01 and TA31 Advanced Combat Optical Gunsights (ACOG), EOTech 550 series holographic sights, and Aimpoint M68 Close Combat Optic (M68 CCO) being the favorite choices — and a detachable rail-mounted carrying handle. Standards are the Colt Model 920 (M4) and 921 (M4A1). Variants of the carbine built by different manufacturers are also in service with many other foreign special forces units, such as the Australian Special Air Service Regiment (SASR). While the SASR uses weapons of essentially the same pattern built by Colt for export (Colt uses different models to separate weapons for the U.S. military and those for commercial/export purposes), the British SAS uses a variant on the basic theme, the Colt Canada (formerly Diemaco) C8SFW.

The M4 carbine will eventually replace the M16 rifle in the United States Army.

[color=black]M4 MWS (Modular Weapon System)[/color]
M4 MWS (Modular Weapon System) shown with various accessories including M203 grenade launcher, RIS foregrip, removable carry handle/rear sight assembly, AN/PEQ-4 laser system, M68 CCO reflex sight, and the AN/PVS-4 night vision optics

Colt Model 925 carbines were tested fitted with the Knight's Armament Corporation (KAC) M4 RAS under the designation M4E2, but this designation appears to have been scrapped in favor of mounting this system to existing carbines without changing the designation. The U.S. Army Field Manual specifies for the Army that adding the Rail Adapter System (RAS) turns the weapon into the M4 MWS or Modular Weapon System.

M4A1
The M4A1 carbine is a fully automatic variant of the basic M4 carbine intended for special operations use. The M4A1 has a "S-1-F" (safe/semi-automatic/fully automatic) trigger group, while the M4 has a "S-1-3" (safe/semi-automatic/3-round burst) trigger group. The M4A1 is used by almost all[which?] U.S special operation units. The M4A1 is especially favored by counter-terrorist and special forces units for close quarters combat because of the carbine's compactness and firepower.[citation needed] These features are also very useful in urban warfare. Although the M4 has less effective range than the longer M16, many military analysts consider engagement with a non-specialized small arm above a range of 300 meters (330 yd) to be unnecessary. It is effective at ranges of 150 meters (160 yd) or less and has a maximum effective range of about 500 to 600 meters (550–660 yd).
All U.S. Army forces will begin replacing their basic M4 carbines and all 600,000 M16 rifles with the M4A1 variant in 2014. The M4A1 in turn would likely be replaced with the Individual Carbine. Replacement of the M16 would come from the Individual Carbine instead of the M4A1 if procurement was attained.
In the last few years, M4A1 carbines have been refit or received straight from factory with barrels with a thicker profile under the handguard. This is for a variety of reasons such as heat dissipation, which is useful due to the complaints of high-heat production from test soldiers, which occurs during full-auto and accuracy as a byproduct of barrel weight. These heavier barrel weapons are also fitted with a heavier buffer known as the H2. Out of three sliding weights inside the buffer, the H2 possesses two tungsten weights and one steel weight, versus the standard H buffer, which uses one tungsten weight and two steel weights. These weapons, known by Colt as the Model 921HB (for Heavy Barrel), have also been designated M4A1, and as far as the government is concerned the M4A1 represents both the 921 and 921HB.

Mark 18 CQBR
Current contractor for the Mark 18 is Colt & Lewis Machine & Tool NSN 1005-01-527-2288. It is equipped with a 10.3" barrel.

SOPMOD Block I
SOPMOD (Special Operations Peculiar Modification) Block I

USSOCOM developed the Special Operations Peculiar Modification (SOPMOD) Block I kit for the carbines used by units under its jurisdiction. The kit features an M4A1, a Rail Interface System (RIS) handguard developed by Knight's Armament Company, a shortened quick-detachable M203 grenade launcher and leaf sight, a KAC sound suppressor, a KAC back-up rear sight, an Insight Technologies AN/PEQ-2A visible laser/infrared designator, along with Trijicon's ACOG and Reflex sights, and a night vision sight. This kit was designed to be configurable (modular) for various missions, and the kit is currently in service with special operations units.

SOPMOD Block II
A second-generation SOPMOD kit (now known as SOPMOD II) includes innovative optics, such as the Elcan Specter DR and the Eotech 553. Block II uses the RIS II rails manufactured by Daniel Defense in both a 9.5 and 12.5 length.

SOPMOD Block III
2012-XXXX SOPMOD 1 & 2 Compatible with both M4A1 Carbine & SCAR SOPMOD 2 Compatibilities with all SOF Weapons

Diemaco C8
    * C8A1 — вариант с планкой Пикатинни вместо ручки для переноски.
    * C8A1HB / C8FTHB (Flat Top, Heavy Barrel) — вариант с планкой Пикатинни вместо ручки для переноски и тяжёлым стволом.
    * C8SFW (Special Forces Weapon) — вариант с удлинённым стволом и возможностью использования подствольного гранатомёта, предназначенный для специальных подразделений.

На картинке SOPMOD Block I

Отредактировано Smith Anderson (24-06-2011 17:10:42)

Индексы винтовок M серий и их модификации(все то что производится по лицензии кольт):

http://en.wikipedia.org/wiki/M16_rifle# … eplacement

http://en.wikipedia.org/wiki/AR-15_variants

все тоже самое, и чуть-чуть еще=))
http://www.gunmaker-t.narod.ru/vintovka-m16-.html
много букофф, но как истинные М-коведы вы это осилиле, ага))

да кстати, следует обратить внимание на "...«Знаменитый» докрыватель затвора М-16..."(с) и угловатый выступ на правой стороне винтовки, отсутствующий на моделях без докрывателя, и присутствующий на моделях с докрывателем затвора, поскольку никакой инфы зачем эта угловатая байда (в смысле выступ на правой стороне винтовки, ага) нужна нет, то можно сделать логичный вывод что скорей всего это и связано с механизЬмом докрывателя=))
а сам докрыватель затвора - это так называемая надежность по американски, ага, когда задался вопросом "что это?" и нашел ответ - был искренне удивлен=)

а также чуть-чуть по устройству винтовки, учим мат.часть как говорится)) схема разборки:
http://www.sinopa.ee/kalashnikov/krazno … /m1602.htm
обратить внимание на отсутствие газового поршня (все видели хотя бы на картинках разборку АК?=))
а еще обратить внимание на зубцы на затворе (картинка "затвор в разобранном виде"), таки вот за эти зубцы и цепляет кнопка докрыватель при нажатии, тем самым продвигая затвор вперед=))
еще любопытным является то, что в магазины на 20 и 30 патронов рекомендовалось (судя по всему и рекомендуется по сей день, хз чесн говоря) заряжать по 18 и 28 патронов соответственно, что связано опять же с надежностью механизма винтовки...как бЭ))

http://akbnn.ru/download.php?manual_m16 … omp_en.pdf
тут особо любопытным можно качнуть операторс мануал м16/м4)