Modern Firearms


Submachine guns - Introduction
Argentina
FMK-3
Halcon M/943
Halcon ML-63
Armenia
K6-92
Australia
Austen
Owen
F1
Austria
Steyr-Solothurn MP.34
Steyr MPi 69
Steyr TMP
Steyr AUG para upd
Belgium
Vigneron M2
FN P90
Brazil
Mekanika URU new
Bulgaria
Shipka
Chile
FAMAE S.A.F.
China
Type 64
Type 79
Type 85
Chang Feng
Type 05
Croatia
Agram2000
Czech republic
Zk-383
Skorpion vz.61
Sa.23
Skorpion EVO III
Denmark
Madsen m/45
Madsen m/46 m/50 m/53
Hovea m/49
Estonia
Tallinn Arsenal
Finland
Suomi M/31
Tikkakoski M/44
Jati-matic
France
MAS-38
MAT-49
Hotchkiss "Universal"
MGD PM-9
Gevarm D4
Germany
MP.18,I Schmeisser
MP.28,II Schmeisser
MP.35 Bergmann
EMP.35 Erma
MP.38 MP.40
MP.41 Schmeisser
MP.3008
Dux M53, M59
Walther MPL & MPK
HK MP5
HK MP5K
HK UMP
HK MP7 PDW
Hungary
39M 43M
53M
India
MSMC new
Israel
UZI / MiniUzi / MicroUzi
Italy
Villar Perosa
Benelli CB-M2
Beretta M1918
Beretta M1938
Beretta M12
Franchi LF-57
SOCIMI 821
Spectre M4
TZ-45
Japan
Type 100
SCK-65
Minebea M-9
Mexico
Mendoza HM-3
Poland
PM-63
PM-84
PM-98 PM-06
Portugal
INDEP Lusa
FBP m/948
FBP m/976
Romania
Orita M1941
Cugir
Russia / USSR
PPD-40
PPSh-41
PPS-43
PP-19 Bizon
PP-19-01 Vityaz
PP-90
PP-91 Kedr / Klin
PP-93
PP-90M1
PP-2000
AEK-919K Kashtan
OTs-02 Kiparis
SR-3 Veresk
K6-92 / Borz
Singapore
ST Kinetics CPW
South Africa
BXP
South Korea
Daewoo K7
Spain
CETME C2
Labora
Star RU-35 SI-35
Star Z-45
Star Z-62 Z-70B
Star Z-84
Sweden
Carl Gustaf M/45
CBJ-MS PDW
Switzerland
SIG 1920 1930
SIG MKMS MKPS
SIG P-48 MP-310
Steyr-Solothurn S1-100
W+F Lmg.-Pist 41/44
Rexim Favor new
B+T MP 9
Ukraine
Elf
Goblin
TASCO 7ET9 7ET10
UK
Sten
Lanchester Mk.1
MCEM-2
Sterling L2 L34
USA
Thompson
Reising M50 M55
M3 and M3A1
UD M42
Ingram M6
Ingram MAC M10 and M11
Colt mod.635
American-180
Ares FMG
Smith&Wesson M76
Ruger MP9
Calico SMG
Kriss Super V™
IMP-221 GUU-4/P new
Vietnam
K-50M
Yugoslavia (ex)
M49
M56
MGV-176

all texts and some pictures
copyright © 1999-2010
by Max R. Popenker
and can not be used without author's permission

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Heckler - Koch HK MP7A1 submachine gun / personal defense weapon (PDW) (Germany)


HK MP7A1 submachine gun / personal defense weapon in standard configuration, with shoulder stock and foregrip in firing position, and with collimating sight installed on top rail


HK MP7A1 submachine gun / personal defense weapon with extended 40-round magazine and a number of extras, including night sight, flashlight and silencer

Caliber: 4.6x30mm HK
Weight: 1.5 kg empty
Length (stock closed/open): 340 / 540 mm
Barrel length: 180 mm
Rate of fire: 950 rounds per minute
Magazine capacity: 20 or 40 rounds
Effective range: 150-200 meters

The HK MP7 Personal Defense Weapon (PDW) is a member of a relatively new class of small arms, called Personal Defense Weapons (PDW; such specialized weapons are build since the start of WW2). The PDW are intended, as name implies, to be a defensive sidearm for second-line troops, vehicle crews and other military personnel who normally not issued with assault rifles. Previously, these troops were issued with pistols or submachine guns, but proliferation of body armor in recent years made those guns ineffective. The first firearm, intended as "the new age PDW" and offered in that class was Belgian-made FN P90, and it had special low-impulse, high-velocity ammunition, capable of penetration of current military body armor and helmets at ranges of 100 meters and beyond, while being much smaller and lighter, than assault rifle. The HK MP7, originally known simply as HK PDW, is another entry in the PDW class, and thus is a direct rival to FN P90.

The HK MP7, first announced in 2000, entered production in 2001 and, by early 2007, is officially adopted by German military, as well as some German special police units, such as KSK, and also offered for export sales. The British Military Police issues HK MP7A1 to its personnel since 2005, and it is believed that some South Korean special forces also use MP7A1.

The HK MP7 submachine gun / personal defense weapon has layout of a typical compact submachine gun (or a large pistol), with magazine being inserted into pistol grip, with folding forward grip and telescoped buttstock. The action of the MP7A1 is somewhat unusual for weapon of such small size, since it is gas operated, rotating bolt design, which strongly resembles the action of the HK G36 assault rifle, suitably scaled down. The ambidextrous fire mode selector/safety switch allows for semi-auto and full-auto modes. MP7A1 it designed to fire special, high velocity ammunition, 4.6x30mm, that looks like scaled down rifle round. That ammunition is unique to the MP7 and another HK weapon, the HK UCP / P46 pistol
The receiver of MP7A1, along with integral pistol grip, is made from the polymer with steel reinforcements. Top side of the receiver hosts a Picatinny-type accessory rail for sight mountings. Standard sighting equipment is usually a set of low-profile open sights on quick-detachable mounts, plus a collimating (red-dot) sight Additional rails can be installed on either side of receiver, next to its front end.  The MP7A1 could be fired single-handedly, or using both hands, either like the pistol or using a front grip. Telescopic buttstock can be extended to give additional stability. With buttstock and front grip are collapsed, the MP7 can be carried like any big pistol in the special holster, and can be effectively used in close combat.

The 4.6x30mm ammunition is loaded with pointed all-steel bullets with brass jacket. Bullet weight is 1.6 gram (25 grains) and the muzzle velocity is 725 m/s (ca. 2400 fps). Manufacturer claims the 100% penetration of the CRISAT body armor (1.6mm of Titanium plus 20 layers of Kevlar) at the distance of 200 meters. Other types of ammunition, including tracer, frangible, spoon-tip (rapid-tumbling for use against unarmored human targets), blank and trill (inert) also available for MP7A1; ammunition is currently manufactured in UK by BAE Systems / Radway Green plant.

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