HYVE Technologies Magazine Extension Base Pad, Smith & Wesson M&P Shield 9mm 8-Round Mag, 2-Round, Gray, Small, SW9-E2-3

These Pistol Magazine Extensions developed by HYVE Technologies are only compatible with the 8-round magazine and they are machined from anodized 6061-T6 aluminum for a tough yet lightweight build that's resistant to corrosion and wear.