L129A1 Sharpshooter
Lewis Machine & Tool Company · Sniper Rifle · In Production · 2009
Also known as: LMT LM308MWS, Sharpshooter Rifle, L129A1 Sharpshooter Rifle
Overview
The L129A1 Sharpshooter is a semi-automatic designated marksman rifle adopted by the British Armed Forces in 2009 to fill an urgent operational requirement (UOR) identified during combat operations in Afghanistan. Manufactured by Lewis Machine & Tool (LMT), the rifle is based on the LMT LM308MWS (Modular Weapon System) platform and features LMT's signature monolithic upper receiver, which integrates the rail system directly into the receiver forging for superior rigidity and accuracy. Chambered in 7.62x51mm NATO, the L129A1 bridges the capability gap between the 5.56mm L85A2 infantry rifle and the bolt-action L96/L115 sniper rifles, providing designated marksmen with the ability to engage targets accurately out to 800 meters with rapid follow-up shots. The gas-operated short-stroke piston system provides reliable cycling while keeping the receiver cleaner than direct impingement alternatives. The L129A1 accepts standard SR-25 pattern magazines and features a full-length quad rail for mounting optics, bipods, and accessories.
Specifications
| Weight (empty) | 4940 g (174.3 oz) |
| Weight (loaded) | 5500 g (194.0 oz) |
| Overall Length | 1020 mm (40.16") |
| Barrel Length | 508 mm (20.00") |
| Action Type | Gas Operated Short Stroke Piston |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Two Stage |
| Trigger Pull | 25 N (5.6 lbf) |
| Magazine Capacity | 20 rounds |
| Magazine Type | Detachable Box |
| Muzzle Velocity | 838 m/s (2749 fps) |
| Muzzle Energy | 3336 J (2461 ft·lbf) |
| Effective Range | 800 m (875 yd) |
| Maximum Range | 2800 m (3062 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 292 mm (11.50") |
| Number of Grooves | 6 |
| Frame Material | Aluminum Alloy |
| Barrel Material | Chrome Lined Steel |
| Stock Material | Polymer Composite |
| Finish | Matte Black |
Calibers
- 7.62x51mm NATO · primary · 7.62x51mm NATO — also known as .308 Winchester, 7.62mm NATO, 7.62x51mm
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Manual Safety, Firing Pin Safety
- Features: Free Floating Barrel, Adjustable Cheek Piece, Adjustable Buttstock, Accessory Rail, Quad Rail Handguard, Flash Hider, Monolithic Upper Receiver, Ambidextrous Controls
Service history
Operators
- British Armed Forces · adopted 2009 · as L129A1
- Estonian Defence Forces
- Latvian National Armed Forces
- New Zealand Defence Force
Conflicts
- War in Afghanistan (2001-2021)
- Russo-Ukrainian War (2022-present)
Production
Production years: 2009-present
Initial British procurement was approximately 440 units under UOR, with additional orders following. Total production numbers across all customers not publicly disclosed.
Origin
Country of origin: United States
Designer: Karl Lewis
Notes
The L129A1 was procured under an Urgent Operational Requirement in 2009 after British forces in Helmand Province identified a critical capability gap. Taliban fighters were engaging from ranges of 500-800 meters, beyond the effective range of the 5.56mm L85A2 but at ranges where deploying bolt-action sniper rifles was impractical for individual fire teams. The LMT platform was selected over competing designs from HK, FN, and KAC. The rifle is paired with the Trijicon ACOG TA648 6x48 BAC scope as standard. Approximately 440 L129A1 rifles were initially procured, with additional orders following. The L129A1 proved so successful in Afghanistan that it transitioned from UOR status to core equipment.
Background
The L129A1 was born from the hard lessons of Helmand Province, where British infantry found themselves outranged by Taliban fighters exploiting the 5.56mm L85A2's limited effective range. The urgency of the requirement was such that the rifle was procured, tested, and deployed to frontline units in under a year, a remarkably fast timeline for British military procurement. The Sharpshooter proved so effective that it was credited with fundamentally changing British infantry tactics in Afghanistan, allowing fire teams to suppress and engage targets at ranges previously requiring dedicated sniper support.