Primary Weapon Systems MK118 MOD 2-M 6mm ARC Complete Upper Receiver - 18"
All Primary Weapon Systems upper receivers
Primary Weapon Systems
Overview
The Primary Weapon Systems MK118 MOD 2-M 6mm ARC Complete Upper Receiver - 18" is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Primary Weapon Systems MK118 MOD 2-M 6mm ARC Complete Upper Receiver - 18"
Build history on GunPartPicker
Builders on GunPartPicker first added the Primary Weapon Systems MK118 MOD 2-M 6mm ARC Complete Upper Receiver - 18" to a build in June 2026.
It was hard to find in September 2026, in stock on only 16 of the 28 days we checked, and today none of the 3 retailers we track has it in stock right now. Prices barely moved in September 2026, holding around $1,334.79, so there haven't been real sales lately. Listed prices start at $1,299.95 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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