Product line DM

12.7MMx99, DM31A1, Hartkern

47.5 g / 733 gr

The DM31A1 is a lead-free cartridge for the German Armed Forces with enhanced penetration capabilities. It is designed for use with repeater rifles and semi-automatic firearms for precision shooters and snipers. It has a hard core bullet consisting of a hardened steel core with a gas check. This guarantees high effectiveness against hard targets. The use of components without lead or heavy metals minimises exposure.

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Product characteristics

Articlenumber*
2413147
Product line
DM
Caliber
12,7x99
Purpose
Military, German Armed Forces
Bulletweight (g)
47.5 g
Bulletweight (gr)
733 gr
Bullet type
Full metall jacket-hard core
Bullet material
Tombac (galvanised) / Steel (galvanised)
Bullet jacket material
Tombac (galvanised)
Bullet core material
Steel (galvanised)
Leadfree
Yes
Primer cap
SINTOX
Case material
Brass
Propellant powder
Two-base nitrocellulose powder
Total cartridge mass (g)
ca. 122 g
Net explosive mass (g)
ca. 17 g
Weapon category
Anti-material rifle, Heavy machine gun
Temperature range
-54°C to +63°C

*article number for the smallest packaging unit

Data according to technical delivery terms

Mean gas pressure
max. 4,500 bar (21°C)
Velocity measuring point
v10
Velocity (m/s)
895 m/s
Velocity (ft/s)
2,936 ft/s
Energy (J)
19,024 J
Length test barrel
1143 mm
Velocity measuring point tolerance (± m/s)
10 ± m/s

Precision data

Accuracy type
sV; SH
Accuracy determination range (m)
300 m
Precision requirement
≤ 75 mm
Length test barrel
1143
Penetration performance
3,5 mm SR235JR
Barrel length:
737 mm
Twist length:
381 mm (1:15")

Ballistic data – Anti-material rifle

Velocity measuring point type II
v10
Velocity (m/s)
895 m/s
Weapon category
Anti-material rifle
Distance (m)Velocity (m/s)Energy (J)Flight time (ms)Ballistic coefficient G1Ballistic coefficient G7
0900192380
2588718686280,6030,334
100851172001140,6270,306
1500,339
200805153912350,6430,349
2500,36
300762137903630,6620,355
3500,367
400722123804980,6850,361
4500,374
500683110796400,6860,349
5500,382
60064598817910,6860,356
70060887809510,675
800573779811200,69
900539690013000,688
1000505605714920,65
1100473531416960,656
1200442464019150,638

Packaging Configurations

[Translate to English:]
Packaging type
Folding box
Count
10
Package dimension
9.5x14x4 cm
Weight
ca. 1,2 kg
[Translate to English:]
Packaging type
M2A1 metal box
Count
100
Package dimension
31x19.5x15,5 cm
Weight
ca. 15,7 kg

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    hazardous substances

    warning

    Fire or projection hazard.
    Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. Ground and bond container and receiving equipment. Keep only in original packaging. Wear eye protection. In case of fire: Explosion risk. Evacuate area. DO NOT fight fire when fire reaches explosives. The information on the product label must always be followed.

    manufacturer

    RWS GmbH / Kronacher Str. 63 / 90765 Fürth / www.rws-technology.com