The AMP Technical Services DSR-1 is a high-precision bullpup sniper rifle, chambered in .308 Winchester, .300 Winchester Magnum, or .338 Lapua Magnum. It is manufactured by German company DSR-precision GmbH. It was marketed as a specialized sniper rifle for police sharpshooters.
The DSR is configured in a bullpup design, and has a slot for fitting extra magazines in front of the pistol grip. The barrel is free-floating. The rifle features a fully adjustable stock and cheekpiece. The DSR-1 action features a benchrest match-grade, fluted barrel that is interchangeable and is fixed to the receiver via three screws. The bolt features six lugs that lock directly into the barrel. The barrel is protected by an aluminum handguard and features a muzzle brake. There is an adjustable two-stage trigger. The DSR-1 is shown to have extremely high accuracy; tests have shown it to have 0.2 MOA accuracy.