Upper Receiver Group, Colt M4-SP, Suppressed

Price: $895.00
Part Number : ZX-102



This Colt 10 inch Special Purpose (SP) upper receiver group was designed for SUPPRESSED-ONLY applications.
The Colt custom barrel is machined with high precision bore concentricity and class 3A threads (US Military threads are class 2A - looser)
WARNING:  This upper rec group will NOT function without its sound suppressor installed!

This item includes all SA Reliability Package mods for suppressed use.

Bolt Group Upgrade with Charging Handle Assembly

X Buffer Assy required.

NOTE:  Photo shows a GEMTECH titanium GMT-556LE sound suppressor which is NOT included.
These custom Colt upper receiver groups can also be precision threaded to your exact silencer.
No extra charge.