Shooting Innovations AR-15 LMB Low Mass BCG - Gray
LMB (Low Mass BCG) This BCG was designed with weight in mind. Feature high strength aluminum that has been hard anodized coated, the LMB weighs in at a mere 5.9 oz. As far as longevity goes, the shooter can expect 10k plus rounds of operating. The LMB is completely drop in and uses the existing spring and buffer. No modifications are needed for operating.
Carrier – 7075
Gas key – 4130 pre hardened nitrided
Bolt – 9310 heat treated, MPI inspected, nitride
Cam pin – 8620 heat treated, nitride
Firing pins – 416 SS heat treated, polished
Proprietary 2 part anodizining, first coating creates a hard surface filling in all the pores of material, second coating creates another level of hardness while giving it that wonderful anodized metallic look.
|Caliber||.223 / 5.56|