The #USArmy Stryker Weapons Troop (Cavalry Squadron) after 2016 but before the Stryker MGS is retired at the end of 2022. The troop provides anti-tank missile and direct gunfire support to habitually supported Infantry Battalions and Cavalry Troops. 
Before 2016, the Stryker MGS was meant to be in Rifle Companies while the ATGM was in the Brigade Engineer Battalion. But readiness levels were never good enough for the MGS to accomplish it across the force. Consolidation was to increase readiness wrt gunnery/maintenance
The MGS will have no *direct* replacement, but many of the direct fire support functions will most likely be handled just fine by the Stryker MCWS (Dragoon successor program) with higher availability (18 MCWS organic to the infantry btn vs. 4-12 MGS attachable).
As Stryker BCTs will share divisions with Armored BCTs within the US Army's plan for large scale combat operations, organizing Stryker task forces supported by Abrams is a possibility at the division level if they really need that big gun (with better protection than the MGS)
Under current plans, the MPF will not support SBCTs in absence of MGS, unless task organized with a light infantry unit. MPFs are destined for divisional MPF Battalions in light divisions (incl. airborne and air assault) which will attach their armor companies to IBCTs.
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