YHM Nielsen Piston 9mm cal. - 1/2x36

YHM Nielsen Piston 9mm cal. - 1/2x36

Maximize the performance and adaptability of your suppressed 9mm setup with the YHM Nielsen Piston – 1/2x36. Engineered by Yankee Hill Machine Co., a trusted name in firearm innovation, this high-performance piston ensures smooth cycling and zero-impact shift with pistol-caliber suppressors.

Crafted from heat-treated 17-4 stainless steel, this piston offers unbeatable durability, corrosion resistance, and precision fit. Designed to work flawlessly with YHM’s booster housing (YHM-2055) and many other leading pistol suppressors, it’s the ideal upgrade for shooters demanding consistency and long-term reliability.

Whether you're training at the range or relying on your suppressor in the field, this piston provides the adaptability and ruggedness needed for reliable suppressed shooting—all in a sleek, 1.4 oz design that won’t weigh you down.

Premium 17-4 Stainless Steel
Heat-treated for extreme strength, rust resistance, and long-lasting performance in high-pressure environments.

1/2x36 Thread Pitch for 9mm
Specifically designed for popular 9mm firearms, including pistol-caliber carbines with 1/2x36 threading.

YHM Booster Compatible
Seamlessly fits YHM-2055 booster housings and most popular pistol suppressors on the market.

10-Point Indexing System
Allows precise rotation to eliminate point-of-impact shift, ensuring perfect alignment and accuracy.

Lightweight & Tough
Weighs just 1.4 oz while delivering exceptional strength—ideal for high-round-count sessions.

Versatile Use Case
Perfect for both recreational and tactical shooting with a suppressor-equipped 9mm firearm.

Not Compatible with Sidewinder
Designed for broader suppressor compatibility, excluding Sidewinder models for clarity.

Specifications

• Caliber: 9mm
• Thread Pitch: 1/2x36
• Material: Heat-Treated 17-4 Stainless Steel
• Finish: Silver
• Weight: 1.40 oz
• Compatibility: YHM Booster Housing YHM-2055, most popular pistol suppressors
• Exclusions: Not compatible with Sidewinder suppressors
• Adjustment Points: 10-position indexing system for POI shift compensation