KMFJ-DA-GS-BA G34 90VU9Cage Code 90VU9 Naval Surface Warfare Center, Crane Division, (NSWC Crane) direct request to facilitate SOF. Previously only available with MIL GOV Purchase Order. We have had a lot of calls on these. Now we have made them available to the public. Vacuum Formed Thermoplastic CNC manufactured Aircraft Grade Hardware KMFJ BA 90VU9 Belt Adapter Double Stack Glock 9 40 G19 23 17 22 34 35 Proudly made in the USA