Thompson Center Arms Contender 10 Octagon Barrel 222 Rem VG Bore & Cond PL-2510 admin - September 16th, 2024 Comments Off Thompson Center Arms Contender 10 Round to Octagon Barrel 222 Rem. Burris Scope Rail and Rings. Very Good Bore and Overall Condition. Categories: thompson Key Tags: arms, barrel, bore, center, cond, contender, octagon, pl-2510, thompson