CALIBER: 5.56 NATO/.223
UPPER: Forged Mil-Spec with M4 Feed Ramps
SIGHTS: Flip up
HAND GUARD: 15" Quad Rail
BARREL: 16" M4 Melonited
MAGAZINE: Fixed 10 Round
STOCK: Mil-Spec 6 position retractable stock
NOTES: Standard Pistol grip and Flash Hider
Add $25 for stainless steel barrel
 
See the videos below for a complete explanation and demostration.

In Action: Mag Break Kit

Mag Break Kit Installation