The Arkansas Army National Guard is seeking small business Vendors who can provide the following: 1. 10 each - H&K Ident-no. 50253805 UPPER RECEIVER KIT, SDMR, 16.3", EUC 2. 10 each - H&K Ident-no. 51... The Arkansas Army National Guard is seeking small business Vendors who can provide the following: 1. 10 each - H&K Ident-no. 50253805 UPPER RECEIVER KIT, SDMR, 16.3", EUC 2. 10 each - H&K Ident-no. 51000150 - HANDGUARD, COMPLETE w/SCREWS, HK417 Interested Vendors should respond to Ralph Grinnell at ralph.d.grinnell.civ@army.mil with their capabilities no later than 21 SEP 2026 at 2:00pm.