CMMG 57AFD1E FN FiveSeven 5.7mmX28mm 10 rd Mag Extention Black Magazine

This FiveSeven 1rd mag extension is the ultimate upgrade to your 5.7x28 pistol. Installation takes only seconds and does not permanently alter factory magazine. Chrome silicon spring is salt water-resistant and will not take a set.

Specifications and Features:

• Caliber: 5.7mmx28mm
• Capacity: 10rd
• Finish: Black
• Model: FiveSeven
• Type: Magazine Extension
• Model Fit: Five-seveN
• Brand Fit: FN
• Capacity: 10rd

WARNING: 

This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. www.P65Warnings.ca.gov