A stapler, comprising: a housing; a handle disposed toward a top of the housing, wherein the handle is pivotable between an initial position away from the housing and a lowest position toward the housing; a base/track sub-assembly (20,80) at a bottom of the housing including the base, a track pivotally attached to the base, and a cover plate including an anvil disposed in the base, the track including an extended length along a bottom of the housing, the base including a first base position pivoted to be adjacent to the track and a second base position pivoted away from the track, the track pivotably attached to the base at a rear of the track and the second base position including the anvil being adjacent and below a front of the track, wherein the base/track sub-assembly is slidably attached to the housing including a first position under the housing and a second position extending rearward from the housing; a striker slidably fitted at a front of the housing, the striker movable between a position above the track and a position in front of the track; and wherein the track is co-extensive within an elongated staple loading chamber of the housing, the track of the base/track sub-assembly moving within the chamber substantially exclusively by sliding on the housing between the first position of the base/track sub-assembly and the second position of the base/track sub-assembly; wherein the staple loading chamber is exposed in front of the base at a bottom of the stapler in the sub-assembly second position; and wherein the base/track sub-assembly second position includes the base being in the second base position. a housing; a handle disposed toward a top of the housing, wherein the handle is pivotable between an initial position away from the housing and a lowest position toward the housing; a base/track sub-assembly (20,80) at a bottom of the housing including the base, a track pivotally attached to the base, and a cover plate including an anvil disposed in the base, the track including an extended length along a bottom of the housing, the base including a first base position pivoted to be adjacent to the track and a second base position pivoted away from the track, the track pivotably attached to the base at a rear of the track and the second base position including the anvil being adjacent and below a front of the track, wherein the base/track sub-assembly is slidably attached to the housing including a first position under the housing and a second position extending rearward from the housing; a striker slidably fitted at a front of the housing, the striker movable between a position above the track and a position in front of the track; and wherein the track is co-extensive within an elongated staple loading chamber of the housing, the track of the base/track sub-assembly moving within the chamber substantially exclusively by sliding on the housing between the first position of the base/track sub-assembly and the second position of the base/track sub-assembly; wherein the staple loading chamber is exposed in front of the base at a bottom of the stapler in the sub-assembly second position; and wherein the base/track sub-assembly second position includes the base being in the second base position.