Complex sentence: The French Armes & Tir November 2001 magazine corroborates the Visir results using RUAG target cartridges and adds that their test shooters could shoot 200 x 300 mm groups at 1,000 m distance with a.338 Lapau Magnum chambered DSR 1 rifle.
Split into simpler sentences: The French Armes & Tir November 2001 magazine tests using RUAG target cartridges corroborate the Visier results. The Armes & Tir test shooters could shoot 200 x 300 mm groups at 1,000 m distance with a.338 Lapau Magnum chambered DSR 1 rifle.