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Yankee Hill Machine
Overview
The Yankee Hill Machine Nielsen Piston is designed specifically for 9mm applications, featuring a left-hand thread pitch of M13.5x1, which ensures compatibility with various muzzle devices. Made from stainless steel and finished in a silver color, this piston provides both durability and a sleek appearance, making it an excellent choice for builders looking to enhance their firearm's performance. You will commonly find this piston in builds focused on suppressed 9mm configurations, where efficient gas operation is essential.
Yankee Hill Machine Nielsen Pistons, 9mm, M13.5X1LH, Stainless Steel, Silver - YHM2060M
Prices checked
Availability is good for the Yankee Hill Machine Nielsen Pistons, 9mm, M13.5X1LH, Stainless Steel, Silver - YHM2060M: it was in stock at one retailer or another nearly every day in September 2026, and today 3 of the 4 retailers we track have it in stock. The best price drifted down from $64.99 to $61.42 over September 2026 without a real sale. Buying today, the lowest price is $61.42 at KY Gun Company, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
We ranked every muzzle device by how often it shows up in real builds on GunPartPicker.
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