BCM quality, modern manufacturing processes, and aerospace coatings are combined to ensure parts last a lifetime while performing far beyond requirements established nearly six decades ago.
The BCM PNT™ Trigger and PNT™ Hammer are a precision machined Mil-Spec AISI8620 investment casting per the USGI TDP (Mil-Spec) for M16/M4 family of weapons. (not to be confused with MIM parts that are very common in the commercial market). 156/157 holes are honed to assist in perfect alignment and a smooth trigger pull.
After that, the BCM PNT™ Trigger and PNT™ Hammer then goes through a 3 step heat treat and case hardening process for optimal grain structure alignment, yielding a stronger and more wear resistance product.
The sear engagement surfaces are ground, but then hand polished for an increased smoothness and reduction in friction up to 300% beyond the Mil-Spec.
An electroless nickel finish is applied for a smoother trigger pull with less ‘grit’ and reduced felt ‘creep’. Nickel also provides a long lasting finish that will not corrode, rust, or discolor due to oxidation.
Teflon particles are embedded in the nickel, further reducing the friction of the interface and ensuring a long lasting coating. This is done on both the BCM PNT Trigger and Hammer in order to provide the maximum benefit allowed by the nickel coating, by augmenting the low friction and corrosion resistance.
This assembly includes our impact resistant trigger and hammer pins. They are centerless ground to a fine finish and superior tolerances to ensure compatibility with all MIL SPEC lower receivers built per the USGI TDP.
The BCM Disconnector is stamped from a 1070 material and fine blanked for cleaner edges, double disc ground to precise size. All hammer engagement surfaces are also ground for a super clean reset.
The processes and tolerances are matched in the BCM PNT™ Trigger Assembly to create a system better than the sum of its parts.
The 2A Armament™ AR-15 Steel takedown pin set features the same classic through drilled design as our popular Titanium takedown pins but with a black oxide finish to accommodate for personal preference. These pins are made from U.S.A. sourced 4140 steel and weigh in at 0.38 oz total for both pins combined. The 2A Armament takedown pins are aesthetically pleasing on both our BALIOS and BALIOS-LITE line of receiver sets, as well as other vendors product.
Balios Lite Gen 2 Upper Features:
Manufacturer Part Number: 2A-MCBU-4No Additional Information Provided
The 2A Armament Full Mass Carrier (FMC) was designed as a high-quality, full mass bolt carrier group, with an emphasis on enhanced weight distribution. By relocating the bulk of carrier mass to the tail, the FMC keeps the firearm in a more balanced state. Weight that would normally be over the magazine well is now over the pistol grip on an AR-15 rifle when at rest. The distribution of weight is further utilized during the firing cycle as the FMC reciprocates along the plane located within the pocket of the shooters shoulder and primary support hand, instead of out in front between the magazine well, and primary support hand. The FMC can give the shooter an extremely reliable full mass bolt carrier group, with a weight distribution advantage over standard carriers on the market.
NOTE: Does not support the use of forward assist. Not compatible with full auto systems