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Small armsOctober 2009 – present
Designated marksman rifle
L129A1 is a designated marksman rifle originating in United States United Kingdom. It was built by Lewis Machine & Tool Company. Reported operators include British Armed Forces.
Designated marksman rifle
United States United Kingdom
October 2009 – present
British Armed Forces
War in Afghanistan
Lewis Machine & Tool Company
3,000+
4.4 kg (9.7 lb)
927 mm (36 in) (stock collapsed) 990 mm (39 in) (stock extended)
16 in (406 mm) (L129A1) 18 in (457 mm) (L129A2)
7.62×51mm NATO (L129A1) 6.5mm Creedmoor (L129A2)
Gas impingement , rotating bolt
800 m (875 yd)
1,000 m (1,094 yd)
20-round detachable SR-25 pattern magazine
Caliber 7.62x51
Operating Method Direct Impingement
Magazine Capacity 20 Rounds
Barrel 16 in / 406 mm - Chromoly
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 0.927 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 0.927 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 0.927 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 0.927 m | Wikipedia contributors | approved |
L129A1 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.