A surgical stapler, a cartridge for a surgical stapler, a cutting mechanism for a surgical stapler, and a method of applying surgical staples in a patient are disclosed herein. The stapler may have an anvil movably coupled to a support jaw between a clamped configuration and a closed configuration. The cartridge may be configured to fit within an envelope diameter and to removably house a plurality of B-form staples, at least one of the plurality of B-form staples having a base length and a leg length, the leg length at least 53% of the envelope diameter. The cartridge may have slots shaped to house at least a second one of the plurality of staples at an angle oblique to the first one of the plurality of staples.