TL;DR
- Complete Introduction quest first to unlock Jaeger for essential parts
- Focus on three critical components: forestock, pistol grip, and muzzle attachment
- Use Scav runs strategically to find rare parts without spending rubles
- Verify all stats meet requirements before turning in to avoid quest failure
- Barter trades often provide better value than purchasing parts directly
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The Gunsmith quest chain represents one of Escape from Tarkov’s most rewarding progression systems, offering substantial experience points and monetary rewards without requiring raid extraction. These weapon modification challenges test your understanding of Tarkov’s complex attachment system while providing safe progression during difficult early-game stages. The MP-133 shotgun build serves as your introduction to this system, establishing foundational knowledge you’ll apply throughout the entire quest series.
Before assembling your shotgun, understand these non-negotiable specifications that Mechanic will verify:
- At least 60 Durability – ensures weapon functionality and prevents jamming
- 47 or greater ergonomics – affects ADS speed and stamina drain
- 850 or fewer overall recoil – critical for follow-up shot accuracy
- 4 or fewer cells of space – requires compact weapon configuration
- A magazine capacity of 6 or greater – tube magazine modifications may be necessary
- Any laser (such as the NcSTAR Tactical blue laser LAM-module) – affects hip-fire accuracy

Success hinges on obtaining three specialized components that transform the standard MP-133 into Mechanic’s specifications. The MP-133 custom plastic forestock with rails provides essential mounting points while meeting space requirements. Acquire this through Mechanic LVL1’s barter trade requiring one Damaged hard drive – commonly found in computer blocks on Interchange or Shoreline.
The MP-133/153 plastic pistol grip significantly boosts ergonomics but requires Jaeger access. Complete Introduction on Woods first, or employ strategic Scav runs to find MP-133 shotguns already equipped with this component. Factory Scavs frequently spawn with modified shotguns, making this an efficient farming location.
For muzzle control, choose between the Remington Tactical Choke 12ga or GK-02 12ga muzzle brake. The GK-02 appears on Scav weapons and Tagilla’s Saiga-12, while the choke requires bartering with Mechanic LVL1 using 2 Elite pliers and a screwdriver. The GK-02 approach typically proves faster for new players.

Many players stumble by attempting this quest prematurely without Jaeger access. The pistol grip represents the largest barrier, so prioritize Introduction completion early in your wipe progression. While Scav runs can bypass this requirement, they introduce RNG dependence that may delay completion significantly.
Space management often causes unexpected failures. The 4-cell requirement demands careful component selection – avoid extended magazines and opt for compact stock options. Verify your final build occupies exactly 2×2 inventory slots before visiting Mechanic.
For efficient resource management, combine your Gunsmith preparation with other early quests. While working on weapon modification knowledge from other games can help, Tarkov’s system has unique requirements. Damaged hard drives for the forestock barter also spawn during Punisher Part 1 quest areas, enabling multitasking.
Understanding class-specific equipment preferences translates well to Tarkov’s weapon specialization concepts.
Action Checklist
- Complete Introduction quest to unlock Jaeger
- Acquire Damaged hard drive for forestock barter
- Obtain MP-133/153 plastic pistol grip from Jaeger or Scav runs
- Secure GK-02 muzzle brake from Scavs or Remington choke via barter
- Assemble components and verify all stat requirements before turn-in
No reproduction without permission:Game Guides » Gunsmith Part 1 guide Escape from Tarkov MP-133 parts Complete MP-133 Gunsmith Part 1 guide with expert strategies and common pitfalls to avoid
