Pay in installments of $12.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Monk Customs Inner Barrel 141 mm - 6.01Monk Customs Precision Inner Barrel 6. 01 mm Stainless Steel (141 mm) Monk Customs presents a high performance 6. 01 mm stainless steel precision inner barrel, engineered for maximum consistency, durability, and accuracy. Manufactured in Europe using a precision drawn micro stainless steel tube, this barrel is produced to meet the highest standards for competitive platforms. Each unit is finished through an advanced multi step process: High precision
Monk Customs Precision Inner Barrel – 6.01 mm Stainless Steel (141 mm)
Monk Customs presents a high-performance 6.01 mm stainless steel precision inner barrel, engineered for maximum consistency, durability, and accuracy.
Manufactured in Europe using a precision-drawn micro stainless steel tube, this barrel is produced to meet the highest standards for competitive platforms.
Each unit is finished through an advanced multi-step process:
High-precision CNC machining
Straightening & calibration
Internal reaming for perfect bore uniformity
Lapping for ultra-smooth airflow
Ultrasonic polishing for a flawless internal finish
100% Tokyo Marui Compatible
This barrel is built fully to Tokyo Marui specification, ensuring perfect drop-in fitment for Marui-based platforms and all TM-compatible builds.
Hop-Up Compatibility
The hop-up window has been designed to work seamlessly with both standard and modern flat-hop style rubbers, delivering consistent pressure and improved shot stability.
Why Stainless Steel?
Made from AISI 304 stainless steel, this barrel guarantees:
Maximum mechanical resistance
Zero surface oxidation
Long-term performance without wear
Unlike aluminum or brass barrels, AISI 304 can be cleaned with metal brushes without scratching, allowing complete removal of plastic residue and maintaining peak accuracy over time.
Technical Specifications
Length: 141 mm
Inner diameter: 6.01 mm
Outer diameter: 8.51 mm
Material: AISI 304 stainless steel
Compatibility: 100% Tokyo Marui spec
European-made precision. Monk-level consistency.
Built for players who demand absolute performance
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy