The Jk Armament JK155PISTON578X28BN Piston 45Cal .578"x28 Nitride Stainless Steel For Pistol is a precision-machined booster piston built specifically for threaded .45 caliber and compatible 10mm pistol barrels. Crafted from durable stainless steel with a black nitride finish, it threads directly onto the barrel using the .578"x28 pattern to securely mate your pistol suppressor to the host firearm and support reliable cycling.

This JK155 piston is ideal as a primary mounting solution or a dedicated spare for shooters who frequently run suppressed pistols at the range or during training. Its robust construction and corrosion-resistant nitride treatment make it well suited for high round counts and regular use, while the carefully engineered geometry interfaces smoothly with JK 155 series suppressors and other compatible booster assemblies. Backed by JK Armament’s focus on practical, user-driven suppressor accessories, it offers a straightforward way to keep your .45 or 10mm pistol running consistently with a can attached.

Key Features:

• Manufacturer: JK Armament
• Model: JK155 Piston .578"x28
• Caliber: 45 Cal, 10mm
• Finish Color: Black Nitride
• Firearm Type: Pistol
• Thread Pitch: .578"x28
• Weight: 0.09 lbs