Please do not attempt to purchase large capacity magazines from MBX if you reside in a location where you may not legally possess them. Magazines with a capacity of more than 10 rounds are illegal and cannot be shipped to California, Colorado, Connecticut, District of Columbia, Hawaii, Maryland, Massachusetts, New Jersey, New York, and Vermont. Please check your state regulations for ownership of high capacity magazines. Orders for high capacity magazines with a shipping address in these states will be canceled MBX Does have 10 Round magazine options for STI/SV & all 2011 Pistols.

Please do not attempt to purchase large capacity magazines from MBX if you reside in a location where you may not legally possess them. Magazines with a capacity of more than 10 rounds are illegal and cannot be shipped to California, Colorado, Connecticut, District of Columbia, Hawaii, Maryland, Massachusetts, New Jersey, New York, and Vermont. Please check your state regulations for ownership of high capacity magazines. Orders for high capacity magazines with a shipping address in these states will be canceled MBX Does have 10 Round magazine options for STI/SV & all 2011 Pistols.

1. Defender tubes are manufactured out of USA 410 stainless steel we use thick material than other manufacturers this is the foundation for performance and reliability

2. MBX tubes are heat treated to 1750 degrees and drawn to temper for extreme durability

3. Our unique tube design allows for “Nose up” consist fast and 100% reliable round presentation

4. MBX innovative tube and follower design have the highest capacity and performance available in the 2011 style guns

5. We partnered with Wolff gun springs to design and built specific MBX Defender series springs that stack and allow maximum capacity with maximum reliable.

6. Our tool-less billet aluminum base pad uses the proven slide pin. Simply push down to remove base pad /push up to lock base pad back on for the easiest maintenance

Nitride/DLC/Tin and other surface coatings are ALL subject to wear upon repeated contact. For Maintenance on the exterior we recommend wiping with very lightly oiled cloth.

Please do not attempt to purchase large capacity magazines from MBX if you reside in a location where you may not legally possess them. Magazines with a capacity of more than 10 rounds are illegal and cannot be shipped to California, Colorado, Connecticut, District of Columbia, Hawaii, Maryland, Massachusetts, New Jersey, New York, and Vermont. Please check your state regulations for ownership of high capacity magazines. Orders for high capacity magazines with a shipping address in these states will be canceled MBX Does have 10 Round magazine options for STI/SV & all 2011 Pistols.

1. Defender tubes are manufactured out of USA 410 stainless steel we use thick material than other manufacturers this is the foundation for performance and reliability

2. MBX tubes are heat treated to 1750 degrees and drawn to temper for extreme durability

3. Our unique tube design allows for “Nose up” consist fast and 100% reliable round presentation

4. MBX innovative tube and follower design have the highest capacity and performance available in the 2011 style guns

5. We partnered with Wolff gun springs to design and built specific MBX Defender series springs that stack and allow maximum capacity with maximum reliable.

6. Our tool-less billet aluminum base pad uses the proven slide pin. Simply push down to remove base pad /push up to lock base pad back on for the easiest maintenance

Nitride/DLC/Tin and other surface coatings are ALL subject to wear upon repeated contact. For Maintenance on the exterior we recommend wiping with very lightly oiled cloth.

Please do not attempt to purchase large capacity magazines from MBX if you reside in a location where you may not legally possess them. Magazines with a capacity of more than 10 rounds are illegal and cannot be shipped to California, Colorado, Connecticut, District of Columbia, Hawaii, Maryland, Massachusetts, New Jersey, New York, and Vermont. Please check your state regulations for ownership of high capacity magazines. Orders for high capacity magazines with a shipping address in these states will be canceled MBX Does have 10 Round magazine options for STI/SV & all 2011 Pistols.