The L129A1 is a designated marksman rifle used by the British Armed Forces. It is chambered in 7.62×51mm NATO and features a semi-automatic action, allowing for accurate fire at longer ranges. The rifle is equipped with a Picatinny rail for mounting various optics and accessories, enhancing its versatility in different combat situations. Designed for precision shooting, the L129A1 is often employed by infantry units to provide effective support. Its lightweight construction and ergonomic design make it suitable for various operational environments. The rifle is part of the UK's efforts to modernize its small arms inventory for improved performance on the battlefield.