CMMG FN FiveSeven 5.7x28mm 10rd Mag Extension
This FiveSeven 10rd 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.
WARNING This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. You must be 18+ years old to shop and or purchase on our website and 21+ to purchase Ammunition/Firearms. Check local laws before ordering as you certify you are of legal age and satisfy all federal, state, and local legal/regulatory requirements. There are NO returns or exchanges on armor, firearms, ammunition, PPE equipment. Ammo ships UPS ground to the lower 48 states.
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In an effort to be more competitive, we are moving from our free shipping policy, to a weight & destination-based shipping charge.
Until now we have been padding the sale price of our products to cover the free shipping cost. You will see overall savings when purchasing a single product but even bigger savings when purchasing multiple products at the same time. This allows us to group & ship together, eliminating excessive shipping fees. Selected marked items will still qualify for free GROUND or 2 DAY AIR shipping.
We would very like to earn your business, so you can always use the RFQ/REQUEST QUOTE for quantity orders and products protected by manufacturers MAP pricing policies.
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Our ordering system will not charge sales tax for the above exempt states, but if you are tax exempt for any other reason check the NO SALES TAX box in the order form, sales tax will be removed prior to final billing.