Special (and very small, as in fewer than a dozen) batch of LDFA-TI-AA (All Angles) are available, these are our last LDFA-TIs. If the new tax cut and tax reform doesn't put a smile on your face, maybe a cheerful and shiny decoration for your beloved AR can :)
These are the only LDFA-TIs with dimpled plunger cap. LDFA-AA in 4130 will be a regular line item in 2018, but not LDFA-Ti, serrated or dimpled, LDFA-TI is officially discontinued.
These LDFA-Ti-AAs are a bit different from the more down to earth 4130 steel LDFAs, the groove on the plunger cap body is deeper, but like the regular LDFAs, your fingernail simply glides over the LDFA while you grasp the ambidextrous charging handle's right latch to load/reload.