Description
Sig Sauer Ext Piston Long Stroke MCX Spear is an external long-stroke piston for the MCX Spear platform. It serves as a replacement or spare piston component. The part is identified by manufacturer part number 4204140-R and is sold as the single piston item.
| Fits | MCX Spear |
|---|---|
| Part Type | External Long-Stroke Piston |
| Part Number | 4204140-R |
| Brand | Sig Sauer |
