Yankee Hill Machine Nielsen Booster HUB Adapter, No Piston

Yankee Hill Machine Nielsen Booster HUB Adapter (No Piston) – YHM-2055

Unlock reliable semi-automatic function for your suppressed pistol with the Yankee Hill Machine Nielsen Booster HUB Adapter. This premium booster housing (YHM-2055) replaces your existing 1-3/8"x24 direct thread adapter, enabling the use of a compatible Nielsen piston for proper cycling on handguns.

Why Choose the YHM-2055 Nielsen Booster Hub?

• Rugged Construction: Machined from heat-treated 17-4 PH stainless steel with a durable black oxide finish for long-lasting performance in harsh conditions.
• HUB Compatibility: Designed for suppressors with 1-3/8"x24 threads, including YHM Sound suppressors and other popular models.
• Piston Flexibility: Accepts YHM pistons as well as those from SilencerCo, Rugged, and Dead Air Odessa (not compatible with Sidewinder pistons).
• Enhanced Reliability: Reduces blowback and ensures consistent ejection and cycling for a smoother, quieter suppressed shooting experience.

Specifications

• Manufacturer: Yankee Hill Machine
• Part #: YHM-2055
• Material: 17-4 PH Stainless Steel
• Finish: Black Oxide
• Thread Size: 1-3/8"x24
• Length: 1.875”
• Diameter: 1.563”
• Weight: 3.2 oz
• Made in the USA
• Does not include piston (sold separately)

Benefits & Use Cases

Perfect for shooters running YHM R9, SilencerCo Omega/R9, or similar pistol suppressors on threaded handguns. The booster provides the necessary spring action and recoil management for full auto-like reliability in semi-auto pistols. Ideal for range days, competition, or tactical applications where suppressed performance matters. Pair it with the matching YHM Nielsen piston for your caliber.

Ready to optimize your suppressor setup? Add the Yankee Hill Machine Nielsen Booster HUB Adapter (YHM-2055) to your cart at Battlehawk Armory today.