Franklin Armory Detachable Fixed Magazine Conversion Kit for HK 91/93/MP5 Platforms Black. Use these AR15 Magazine Catches & Releases by Franklin Armory to convert your rifle into a fixed magazine design. Installation is easy but it requires you to remove and reinstall your magazine release. The Franklin Armory DFM Conversion Kit is California compliant so that you can use rifles with banned features such as forward grips adjustable buttstocks and flash suppressors. If you live in California or other restrictive states pick up this Franklin Armory DFM Conversion Kit for HK Platforms so that you can have a fixed magazine rifle with all the features you love. Specifications for Franklin Armory Detachable Fixed Magazine Conversion Kit for HK 91/93/MP5 Platforms: Manufacturer: Franklin Armory Gun Make: Heckler & Koch Gun Model: Heckler & Koch HK93 Heckler & Koch HK91 Heckler & Koch MP5 Gun Type: Rifle Additional Features: California Compliant Package Contents: Franklin Armory DFM for HK 91/93/MP5 Platforms What firearm models does the manufacturer say Franklin Armory Detachable Fixed Magazine Conversion Kit for HK 91/93/MP5 Platforms is compatible with? The manufacturer says that Franklin Armory Detachable Fixed Magazine Conversion Kit for HK 91/93/MP5 Platforms is compatible with Heckler & Koch MP5 Heckler & Koch HK91 Heckler & Koch HK93Franklin Armory 05-50023-BLK: DFM for HK 91/93/MP5 Platforms Black