(b) A semiautomatic firearm and its high-capacity detachable box magazine, as defined in s.
775.087(3), or a machine gun as defined in s.
790.001, shall be sentenced to a minimum term of imprisonment of 8 years.
Notwithstanding s. 948.01, adjudication of guilt or imposition of sentence shall not be suspended, deferred, or withheld, and the defendant is not eligible for statutory gain-time under s. 944.275 or any form of discretionary early release, other than pardon or executive clemency, or conditional medical release under s. 947.149, prior to serving the minimum sentence.