Description
Complete built upper receiver:
16″ heavy profile 4150 chrome vanadium lined barrel, chambered in 5.56 with a 1:7 twist
Low profile gas block
Carbine length gas system
15″ keymod handguard
Flat-top mil-spec Cerro upper receiver with installed dust cover and forward assist
No BCG or charging handle
Note: barrel twist may vary between 1:7 and 1:8 based on market availability.
Check out all our other upper options here: https://3crtactical.com/product-category/uppers-and-parts/...
