Description
Aero Upper Receiver + Toolcraft Phosphate 158 Bolt Carrier GroupSave big on this Aero Stripped Upper + Toolcraft Phosphate 158 BCG Combo! Toolcraft Phosphate 158 MPI BCG:This Toolcraft MPI inspected 158 Phosphate BCG comes with a lifetime warranty and is perfect for any AR15, M4 or M16 Build. Toolcraft carriers and bolts are build to military specifications, also known as "Mil-Spec" and they are known throughout the industry as some of the best. Toolcraft Bolt Carrier Groups come with a lifetime warranty! Mil-spec carpenter No. 158® steel (bolt)Bolt is shot Peened and MPI8620 Tool Steel (Carrier)Chrome Lined Carrier & Gas keyMil-Spec Extractor Spring, black extractor insert, Viton O-RingTool Steel ExtractorShrouded Firing PinMil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly stakedCaliber: .223 / 5.56 / 300 BlackoutAero Stripped M4 Upper Receiver: Anodized - BlackAR-157075-T6 AluminumA3 Flat TopForgedM4 FeedrampsT-MarksAdd a plain or engraved port door + forward assist kit from the drop down menu. Choose one of our upper engraving graphics from the drop down menu.See reference "CHART A" and "CHART B" tabs above.
MPN#: TOOAUTO-011-APAR501603C
