Adjustable Rifle Buttstock Extension

Easily add length and comfort to your rifle with this adjustable buttstock extension.
Originally designed for the Daisy Buck 105 BB gun, but features a universal-style fitment that should work with many similar stocks.

This design uses a Picatinny rail mount, allowing vertical adjustment to dial in shoulder comfort.

Includes multiple pad options: medium, large, and a flexible TPU version for added cushion.

Installation is simple:

• Mount the Picatinny rail to your stock using screws or strong adhesive
• Slide on the extension and secure it with an M5 bolt and nut

⚠️ Safety First ⚠️
Before starting any modification:

• Make sure the airgun is unloaded
• Engage the safety

A portion of the buttpad geometry came from this source: https://makerworld.com/en/models/182065-butt-plate-tpu-pla-tough#profileId-200543

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