M2 Armament Group Glock 17/19 Gen 1/2/3 Compatible Frame Parts Kit Black. Manufactured 100percent in the United States from premium American raw materials this duty-grade internal hardware package provides the precision and reliability demanded by custom armorers high-volume builders and the 3D printing community (3DP / FMDA / PY2F / Polymer80 PF940v2 / PF940C / PSA Dagger / SCT builds). Specifications for M2 Armament Group Glock 17/19 Gen 1/2/3 Compatible Frame Parts Kit: Manufacturer: M2 Armament Group Color: Black Fabric/Material: Steel Polymer Package Contents: M2 Armament Group Glock 17/19 Gen 1/2/3 Compatible Frame Parts Kit M2 Armament Group M2-LPK-19-17: Glock 17/19 Gen 1/2/3 Compatible Frame Parts Kit Black