Spartan S3 Upper Receiver for AR-10, available in .50 BMG, .416 Barrett and .338 Lapua Spartan 50 BMG Upper Receiver for AR 15, available in .50 BMG, .416 Barrett and .338 Lapua
Spartan S1
Price: $1,598.00
Tactilite T1 .50 BMG Upper Receiver for AR-15s Tactilite T2 .50 BMG Upper Receiver for AR15
Tactilite T1
Price: $1,998.00
Tactilite T2
Price: $2,498.00