Difference between revisions of "L117 assault rifle (Isselmere-Nieland)"

Latest revision as of 16:41, 26 July 2007

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L117
Type	Selective fire assault rifle
Place of origin	Isselmere-Nieland
Service history
Used by	Isselmere-Nieland
Designed	2004
Manufacturer	Royal Isselmere-Nieland Ordnance
Variants	L118 carbine L120 marksman L121 training
Specifications
Weight	3.54 kg
Length	785 mm
Barrel length	508 mm
Cartridge	6.5 × 39 mm Grendel
Action	Gas operated, rotating bolt
Rate of fire	700-850 rpm
Effective range	950 m
Feed system	25/26-round or 30-round detachable box magazine

The L117 assault rifle, the standard service rifle of the United Kingdom of Isselmere-Nieland Defence Forces, is a bullpup design based loosely on the British EM-2 rifle but using the forward case/cartridge ejection system of Fabrique Nationale de Herstal's F2000 5.56 × 45mm assault rifle, which the L117 replaced, for improved ambidextrous firing. A folding charging lever is on the spine of the rifle underneath a Picatinny rail for a mixed carrying handle and 1.5× tritium-illuminated scope, a holographic weapon sight like one from EOTech, or larger, more powerful rifle sights. The rail permits the fitting of a wide variety of other aiming devices, including iron sights reflex sights and a variety of optronic sights (optical, thermal, infra-red, and low-light), as well as Royal Isselmere-Nieland Ordnance's computerised sight (RINOCS). Laser or infra-red laser sights may be fitted to the foregrip.

The RINOCS enables a soldier equipped with a connected helmet mounted display to look and fire around corners without exposing much of him- or herself. It may also be used to compute impact point of either direct fire (bullets) or indirect fire (rifle grenade) projectiles and, in conjunction with other aiming devices, may allow similarly equipped soldiers to designate targets for other members of the section or squad.

The operation of the rifle is as follows: gas from the propellant impinges through a cavity in the barrel to the gas tube above. This gas pressure then forces back a gas piston that acts on the bolt carrier, causing the bolt itself to rotate ejecting the case or round. The rotating bolt mechanism both reduces the number of parts and the overall complexity of the design, as well as facilitating field stripping, cleaning, and operations. Cases/rounds are then ushered out of the front of the rifle by the bolt carrier. The ejection port in the front of the rifle opens and closes with the action of the bolt carrier, closing when the bolt is forward. The forward ejection system facilitates ambidextrous firing yet protects against the ingestion of foreign materials into the rifle's mechanism.

The L117 may be fitted with an underbarrel grenade launcher (UGL), such as the M203 or AG36, or a non-lethal attachment such as the FN303. When not fitted with a UGL, the L117 accepts the L7 bayonet.

L117 AR

Cartridge: 6.5 mm Grendel
Calibre: 6.5 × 39 mm Grendel
Bullet A: 123-gr/7.97 g bullet, 265-gr/17.17 g cartridge
Bullet B: 144-gr/9.33 g bullet, 289-gr/18.727 g cartridge Full metal jacket boat-tail (FMJBT)
Mass: 3.3586 kg (empty); 3.54 kg (with 1.5× scope); 4.94 kg (loaded with 3.5× scope)
Length: 785 mm
Barrel length: 508 mm (20 in.)
Operation: Gas (piston), rotating bolt
Cyclic rate: 700-850 rpm
Muzzle velocity:
123 gr bullet: 792.5 m/s; velocity at 1000 m: 372.47 m/s
144 gr bullet: 746.76 m/s; velocity at 1000 m: 369.72 m/s
Firing modes: Semi-automatic, two-round burst, full automatic
Feed system: 25-26 round standard magazine or 30-round magazine
Price: $1780
Magazines

• 26-round: $36 empty
• 30-round: $39 empty

Sights

• Holographic weapon sight (10 m depth, night vision compatible): $429
• Optronic, 3.5 × 35 tritium red dot sight (30 m depth, night vision compatible): $950
• Optronic, 4 × 32 tritium red dot sight (30 m depth, night vision compatible): $1400
• RINOCS: $1650

L118 carbine

The L118 carbine replaced the FN P90 submachine gun as the UKINDF personal defence weapon (PDW) for vehicle crews, some aircrew, and other personnel who need a smaller firearm with adequate stopping power. In all other functions, the TDI KRISS Super V XSMG replaced the P90 in much of the UKINDF. The Heckler & Koch MP5, however, remains in service with "civilian" detachments of the Royal Isselmere-Nieland Gendarmerie.

Cartridge: 6.5 mm Grendel
Calibre: 6.5 × 39 mm Grendel
Bullet A: 123-gr/7.97 g bullet, 265-gr/17.17 g cartridge
Bullet B: 144-gr/9.33 g bullet, 289-gr/18.727 g cartridge Full metal jacket boat-tail (FMJBT)
Weight: tbd
Length: 645 mm
Barrel length: 368 mm (14.5 in.)
Operation: Gas (piston), rotating bolt
Cyclic rate: 700-850 rpm
Muzzle velocity: tbd
Firing modes: Semi-automatic, two-round burst, full automatic
Feed system: 25-26-round standard magazine or 30-round magazine
Price: $1230
Magazines

• 26-round: $36 empty
• 30-round: $39 empty

Sights

• Holographic weapon sight (10 m depth, night vision compatible): $429
• Optronic, 3.5 × 35 tritium red dot sight (30 m depth, night vision compatible): $950
• Optronic, 4 × 32 tritium red dot sight (30 m depth, night vision compatible): $1400
• RINOCS: $1650

L120 DMR

Type: Designated marksman rifle/Light support weapon
Cartridge: 6.5 mm Grendel
Calibre: 6.5 × 39 mm Grendel
Bullet A: 123-gr/7.97 g bullet, 265-gr/17.17 g cartridge
Bullet B: 144-gr/9.33 g bullet, 289-gr/18.727 g cartridge Full metal jacket boat-tail (FMJBT)
Weight: tbd
Length: 898 mm
Barrel length: 610 mm (24 in.)
Operation: Gas (piston), rotating bolt
Cyclic rate: 700-850 rpm
Muzzle velocity: tbd
Firing modes: Semi-automatic, two-round burst, full automatic
Feed system: 25-26-round standard magazine or 30-round magazine
Price: $2690
Magazines

• 26-round: $36 empty
• 30-round: $39 empty

Sights

• Holographic weapon sight (10 m depth, night vision compatible): $429
• Optronic, 3.5 × 35 tritium red dot sight (30 m depth, night vision compatible): $950
• Optronic, 4 × 32 tritium red dot sight (30 m depth, night vision compatible): $1400
• RINOCS: $1650

L121 Cadet Rifle

Type: Training rifle^[1]
Cartridge: .22 Long Rifle
Calibre: .22 LR
Weight: tbd
Length: 645 mm
Barrel length: 368 mm (14.5 in.)
Operation: Gas (piston), rotating bolt
Cyclic rate: 700-850 rpm
Muzzle velocity: tbd
Firing modes: Semi-automatic, two-round burst
Feed system: 30-round magazine
Price: $1230
Magazines
Sights

• Holographic weapon sight (10 m depth, night vision compatible): $429
• Optronic, 3.5 × 35 tritium red dot sight (30 m depth, night vision compatible): $950
• Optronic, 4 × 32 tritium red dot sight (30 m depth, night vision compatible): $1400
• RINOCS: $1650

References

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