Mean Arms Restrictive States EndoMag 9mm 10 Round Black. 56/.223 PMAG housing and is restrictive state compliant as an unmodifiable 10-round magazine (fixed base plate). If you live in a restricted state that limits magazines to less than standard capacity (30 rounds) you can now utilize your standard AR lower and 9mm upper of your choosing with a Glock or Colt variant 9mm BCG. Specifications for Mean Arms Restrictive States EndoMag 9mm: Manufacturer: Mean Arms Color: Black Fabric/Material: Polymer Magazine Capacity: 10 Round Caliber: 5.56x45mm NATO 9mm Luger Gun Make: AR Platform Gun Model: AR-15 Magazine Included: Yes Quantity: 1 Condition: New Features of Mean Arms Restrictive States EndoMag 9mm PMAG 30 Magazine Conversion Adapter 10-round compliant. Functions as a magazine. No magwell adapter needed. Keep your standard 5.56 Multi Caliber lower receiver. Comes fully assembled with a fixed baseplate to comply with state law. No tools required. Keep all your PMAGs in use no need to buy additional or specific 9mm magazines. Keep your muscle-memory reload-training the same between calibers same magazine same draw same feel. No learning curve when reloading because it is the same magazine you already use. Use most of your PMAG accessories: i.e. mag pouches storage racks decals caliber indicators etc. Not a picky eater. Shoots all 9mm munitions. Hollow points included. Package Contents: Mean Arms Restrictive States EndoMag 9mm PMAG 30 Magazine Conversion Adapter What firearm models does the manufacturer say Mean Arms Restrictive States EndoMag 9mm is compatible with? The manufacturer says that Mean Arms Restrictive States EndoMag 9mm is compatible with AR-15Mean Arms 2101169: Restrictive States EndoMag 9mm 10 Round Black