Longbill (Marlin ADD-ON)
Longbill (Marlin ADD-ON)

LONGBILL

1" Extended Draw Add-On

Description

The Longbill Add-On increases the Marlin’s draw length by 1", providing greater plunger volume and higher output while retaining the direct-plunger layout and full-metal catch system. It is designed for users who want additional performance without altering the platform's core structure or attachment compatibility.


Hardware Kit

Part McMaster # Qty required
10-32 3.5" BH 90272A427 6
4" Spacer (steel) 93265A042 4
10-32 threaded rod (3ft) 98838A011 16.5
K26 (11") (8.25" piece) 9637K26 1.75
K25 (11") (8.25" piece) 9637K25 1.75
1.375" ID Plunger Tube (3ft) 53945K21 6.5

Key Features

  • Adds 1" of prime for increased plunger volume and performance

  • Retains direct-plunger architecture and metal catch system

  • Full compatibility with Marlin platform and attachments

  • Low hardware count for a higher-output configuration