Are you over
18 years old?
By entering this website, you certify that you are of legal purchasing age in the state in which you reside. Restrictions in your specific jurisdiction may apply.
Custom Glock · Curated by Reactive Gunworks
ASTRA Defense builds custom Glocks — the Spec A line. Ported slides, optic cuts (RMR, ACRO, MOS), and finished builds on the G19, G43X, G34 and more — plus collabs like Fear Tomorrow. Ready to ship to your FFL.
9mm/Glock/Spec A · Ported/Optic Cuts
Custom builds are nearly always single availability — when one sells, it's gone.
