This is Not Your Standard phosphate cap.
We have had these Finished in a Darker BLACK finish that is Much More Resistant to Corrosion than the Standard Mil-Spec Phosphate.
Whether you are looking for a True Black End Cap or just a Higher Quality end cap This Is The Ticket.
The Handguard End Cap M4 Cut Round Black .750″ Inside Diameter with fit any caliber
.750 inch Barrel Assembly (Most Common Size).
Required to be used with drop-in handguard systems that use delta
ring assemblies with front sight bases or railed gas blocks.
This cap will cover circular handguards of all lengths, Pistol,
Carbine, Mid and RFL length (including Magpul handguards).
Perfect for upgrading existing components or upgrading existing
NOTE: Requires removal of front sight base for installation. Will
not work with triangular A1 handguards