Here's a breakdown of the costs of the upgrades:
SOLGW BCG: $179.99 (out of stock everywhere)
Larue MBT2S trigger: $99.99
Radian Raptor charging handle: $79.99
Radian Talon safety: $55.00
Magpul STR stock: $79.99
Magpul MOE handguard: $29.99
Magpul MBUS: $29.99
Gen 2 Pmags: $12.99 x2
B5 grip: $19.99
Proctor Sling: $45.00