The FN Ballista .338 Lapua is a hard hitting magazine fed bolt action rifle that is an excellent choice for long range target engagements. The 5rd factory replacement magazine for the FN Ballista .338 Lapua is made from lightweight impact resistant polymer in dark earth color. The stainless steel spring along with polymer follower is ready to reliably feed your FN Ballista for many years to come. The magazine feeds the 5rds of deadly .338 Lapua in a single stack to keep the mag slim.