RG G4 SOPMOD series
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| RG G4 SOPMOD | |
|---|---|
 A G4 SOPMOD II with R68 optics, front grip, AN/PEQ-2, and flashlight. | |
| Type | Assault Rifle |
| Place of origin |  Erebonian Empire Rubrum |
| Service history | |
| In service | 2009–present |
| Used by | See Users |
| Wars | Second Lucis Civil War Imperial Crisis |
| Production history | |
| Designer | David Daniel |
| Designed | 2001-2009 |
| Manufacturer | Rainford Group Theimer Works Daniel Armaments (for the rails) |
| Produced | 2010-Present |
| No. built | 70,750 |
| Specifications | |
| Weight | 3.52 kg (7.8 lb) |
| Length |
|
| Cartridge | 5.56×45mm EB |
| Action | Gas-operated, rotating bolt |
| Rate of fire | 700–950 RPM |
| Muzzle velocity | Standard rifle: 910 m/s (2,986 ft/s) |
| Effective firing range | 500 metres (1,600 ft) |
| Maximum firing range | 2,700 metres (8,900 ft) |
| Feed system |
|
| Sights | Various optics |
The RG G4 SOPMOD or the Gewehr 4 Special Operations Peculiar MODification (SOPMOD) is a family of heavily modified rifles, having a similar design and function to the Concordian AR-4A1 carbine rifles following Europan Standardisation in 2004. It's striking look is the result of being fitted with the DA RIS II rails made by Daniel Armaments.
The RG G4 SOPMOD was the result of the need for a universal replacement for different ARs that were issued. The concern came largely from different Allied Special Forces such as the SAS and the ESAS. Following the Europan Standardisation, Rainford Group worked to obtain the license to produce local copies of the AR-4A1, being that it was conceived as the standard assault rifle for use with Special Forces units. After Rainford Group obtained the license, the developers moved to experiment on standardising the rifle's design. Daniel Armaments CEO David Daniel assisted in the design, hence the handguard was replaced by the DA RIS II designed by the latter.
In 2009, the RG G4 SOPMOD made its way to the frontlines in the hands of Commonwealth Special Forces units. Today, it is the standard issue assault rifle for Task Force 141.
SOPMOD Block I
SOPMOD Block II
Users
Basel-Ebel
Erebonian Empire
Gallia-Bruhl
Jutland-Gimli
New Akiba
Nibelheim-Saxe-Hanover
Nihhon-koku
Rubrum
United Kingdom
Zanarkand