The Barrett XM109, originally known as the Objective Sniper Weapon (OSW) and now called the Anti-Materiel Payload Rifle (AMPR), is a prototype anti-materiel sniper rifle. It is chambered for 25 × 59 mm grenade rounds and was developed by Barrett Firearms Manufacturing.

The Barrett XM109, originally known as the Objective Sniper Weapon (OSW) and now called the Anti-Materiel Payload Rifle (AMPR) is a semi-automatic anti-materiel rifle developed by Barrett Firearms, designed to engage and destroy a wide range of hard targets at extended ranges.

Dec 5, 2018 · Originally known as the Objective Sniper Weapon (OSW), the XM109 now bears the designation Anti-Material Payload Rifle (AMPR). Using the existing lower receiver from the M82/M107 rifle, Barrett built proprietary upper receiver and magazine to accommodate a much larger new cartridge.

May 12, 2021 · The XM109 relies on a proven semi-automatic, short-recoil action with feeding by way of a 5-round detachable box magazine. It takes on a traditional rifle-style arrangement - shoulder stock, pistol grip, magazine, and forend/handguard.

Jan 24, 2025 · The Barrett XM109 weapon is rooted in the OCSW and OICW programs - the creation of new grenade launchers using ammunition that has the ability to control detonation, high explosive and penetrating power.

The XM109 Anti-Materiel Payload Rifle, commonly referred to just as the Payload Rifle and known initially as the Objective Sniper Weapon, is a short recoil semi-automatic 25mm precision rifle.

The Barrett XM109 is an anti-materiel rifle, chambered in 25 × 59 mm, under development by Barrett Firearms Manufacturing. It was designed as a modification of the Barrett M107 and was capabile of defeating light armor and material out to 2 km (1.2 mi).[1]

Nov 12, 2021 · The Barrett XM109 is a prototype anti-materiel precision rifle, chambered for 25 × 59 mm grenade rounds and developed by Barrett Firearms Manufacturing.

Combining the Barrett XM109 Rifle with the GD-OTS 25mm x 59 XM1049 High Explosive (HE) Dual Purpose ammunition provides the US military with a highly mobile weapon system capable of door and wall breeching, and light armor targets, counter IED, and anti-personnel defeat.

May 18, 2019 · The XM109 used the same high-velocity 25x59mm shell as the XM307 Advanced Crew-Served Weapon (not the slower 25x40mm fired by the XM25), which was another strange early-'00s development halfway between an M2 Browning and a Mark 19.