Banish 4787 Piston | 1/2×28 | For BANISH 45/46

The Banish 4787 piston is a threaded replacement piston made for the BANISH 45/46 modular suppressor family. It allows a BANISH 45 host to accept barrels or mounts with 1/2×28 factory threads. The piston is manufactured from heat-treated steel and is engraved to identify thread diameter, pitch, and rotation direction; the engraving indicates a left-hand rotation for installation. Typical applications include range use and competition where thread-matching or quick piston swaps are required.

Product Specifications

• The manufacturer part number is 4787.
• The UPC is 810171224156.
• The thread pattern is listed as 1/2×28.
• The listed compatible caliber/gauge is .45 ACP.
• The material is specified as heat-treated steel.
• The finish/color is listed as Silver.
• The product type is Piston.
• The piston is noted to fit BANISH 45/46 suppressor models.
• The piston includes engraving that identifies thread diameter, pitch, and rotation direction as Left Hand.
• The overall dimensions are listed as 1.35 x 2.65 x 3.00.
• The listed item weight is 0.1.
• The package dimensions are listed as 4.7 x 2.5 x 0.001 (Length x Width x Height).

This piston is a purpose-built accessory for owners of BANISH 45/46 suppressors who need reliable 1/2×28 compatibility. Its durable, heat-treated steel construction and clear thread markings make it a practical choice for routine range use and competitive environments where quick, repeatable piston changes are required.