Description
Featuring an easy over-sized push-button spring deploy action. Accepts all aftermarket front sight post replacements with Mil-spec dimensions. All sights will lock dependably in the folded and deployed positions. It is not intended for lower height gas block rails. M4 cowitness height.
![[P55340] Starting Key (2-Pack)](https://www.greatdiyhardware.com/wp-content/uploads/2026/07/p55340-starting-key-2-pack.webp)