Escape from Tarkov Gunsmith Part 12 Guide – Full Build & Rewards

Gunsmith Part 12 in Escape from Tarkov requires players to customize a SIG MPX 9x19mm submachine gun to meet specific weapon stats and attachment conditions. This guide will help you complete the build efficiently using trader-sourced or Flea Market parts.

Let’s walk through everything needed to complete gunsmith part 12 successfully.

How to Unlock Gunsmith Part 12

To begin gunsmith part 12, players must have finished Gunsmith Part 11 and reached Level 23. Mechanic tasks you with modifying a SIG MPX to match strict recoil, weight, and ergonomics conditions.

Required Stats for the Build:

• Durability: 60 or higher
• Ergonomics: 52 or greater
• Recoil Sum: 225 or less
• Sighting Range: 300 or more
• Weight: 4.0 kg or less
• Attachments:
  • Tactical Dynamics Skeletonized pistol grip
  • Yankee Hill Annihilator flash hider
  • Steiner LAS/TAC 2 tactical flashlight

Full SIG MPX Build for Gunsmith Part 12

Below is the complete parts list with trader, level, and how to obtain each:

Part	Item	Trader / LL
Base Weapon	SIG MPX 9x19mm	Peacekeeper LL3 / Flea Market
Barrel	SIG MPX 10.5" 9x19mm barrel	Peacekeeper LL3 / Flea Market
Muzzle Device	Yankee Hill Annihilator Flash Hider	Mechanic LL3 / Flea Market
Handguard	SIG MPX Gen1 Handguard	Peacekeeper LL2 / Flea Market
Foregrip	RK-1 Tactical Foregrip	Skier LL2 / Flea Market
Stock Adapter	MPX/MCX Telescoping Stock Adapter	Peacekeeper LL2 / Flea Market
Stock	SIG MPX/MCX Collapsible Stock	Peacekeeper LL2 / Flea Market
Pistol Grip	Tactical Dynamics Skeletonized Pistol Grip	Mechanic LL3 / Flea Market
Magazine	MPX 20-round Magazine	Peacekeeper LL2 / Flea Market
Sight	Any Reflex or Iron Sight	Skier LL1 / Flea Market
Tactical Device	Steiner LAS/TAC 2 Tactical Flashlight	Skier LL2 / Flea Market

Gunsmith Part 12 Rewards

After you meet all build conditions and submit the MPX to Mechanic, you'll receive the following:

Rewards:

• Experience: 12,300 EXP
• Mechanic Reputation: +0.02
• Dollars: 500
• Items:
  • 2× AR-15 VP-09 Interceptor Muzzle Brake
  • 1× FN P90 Attenuator Suppressor
  • 1× SureFire MAG5-100 100-round STANAG Magazine

These items and dollars are very useful mid-wipe and for barters or builds in later quests.

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Gunsmith Part 12 in Escape from Tarkov is all about precision and patience. Assembling the SIG MPX correctly with high ergonomics and low recoil requires close attention to detail—but the rewards make it worth the effort.

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