Pro Arms 14mm Threaded Outer Barrel (Black) - VFC SIG M17 Category_Auto Sear Spring - For VSR-10 Series FN

- For VSR-10 Series FN SPR A5M

- Patterned after the Gen 5 pistol

-This part fits all AEGs 2

-Fit for Umarex / VFC G17 Gen3 / Gen4

Weight: 25

Pro Arms 14mm Threaded Outer Barrel (Black) - VFC SIG M17 Category_Auto Sear Spring - For VSR-10 Series FNColor: BlackMaterial: AluminumItem No.: PA VFC M17 004 *PS: Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation fitting. Fitting may be needed as the condition of each airsoft gun might be different. Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out