Product Description
Surplus Colt M4A1 Block II upper receiver group.
-C stamp colt upper
-C MP 14.5" barrel
-Colt gas tube
-Daniel Defense low profile gas block
-Daniel Defense RIS II M4A1 rail (Savannah GA MFG)
NO BCG or charging handle included!
Surplus Colt M4A1 Block II upper receiver group.
-C stamp colt upper
-C MP 14.5" barrel
-Colt gas tube
-Daniel Defense low profile gas block
-Daniel Defense RIS II M4A1 rail (Savannah GA MFG)
NO BCG or charging handle included!
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