Wisconsin Statutes & Annotations
Chapter 939 - Crimes — general provisions.
939.63 - Penalties; use of a dangerous weapon.

939.63 Penalties; use of a dangerous weapon.
(1) If a person commits a crime while possessing, using or threatening to use a dangerous weapon, the maximum term of imprisonment prescribed by law for that crime may be increased as follows:
(a) The maximum term of imprisonment for a misdemeanor may be increased by not more than 6 months.
(b) If the maximum term of imprisonment for a felony is more than 5 years or is a life term, the maximum term of imprisonment for the felony may be increased by not more than 5 years.
(c) If the maximum term of imprisonment for a felony is more than 2 years, but not more than 5 years, the maximum term of imprisonment for the felony may be increased by not more than 4 years.
(d) The maximum term of imprisonment for a felony not specified in par. (b) or (c) may be increased by not more than 3 years.
(2) The increased penalty provided in this section does not apply if possessing, using or threatening to use a dangerous weapon is an essential element of the crime charged.
(3) This section applies only to crimes specified under chs. 939 to 951 and 961.
History: 1979 c. 114; 1981 c. 212; 1987 a. 332 s. 64; 1995 a. 448; 2001 a. 109.
The fact that the maximum term for a misdemeanor may exceed one year under sub. (1) (a) does not upgrade the crime to felony status. State v. Denter, 121 Wis. 2d 118, 357 N.W.2d 555 (1984).
Possession encompasses both actual and constructive possession. To prove a violation of this section, the state must prove that the defendant possessed the weapon to facilitate the predicate offense. State v. Peete, 185 Wis. 2d 4, 517 N.W.2d 149 (1994). See also State v. Howard, 211 Wis. 2d 269, 564 N.W.2d 753 (1997), 95-0770.
An automobile may constitute a dangerous weapon under s. 939.22 (10). State v. Bidwell, 200 Wis. 2d 200, 546 N.W.2d 507 (Ct. App. 1996).
Under Peete, 185 Wis. 2d 4 (1994), there is sufficient evidence of possession if the evidence allows a reasonable jury to find beyond a reasonable doubt that the defendant possessed a dangerous weapon in order to use it or threaten to use it, even if the defendant did not use or threaten to use it in the commission of the crime. State v. Page, 2000 WI App 267, 240 Wis. 2d 276, 622 N.W.2d 285, 99-2015.
When two penalty enhancers are applicable to the same crime, the length of the second penalty enhancer is based on the maximum term for the base crime as extended by the first penalty enhancer. State v. Quiroz, 2002 WI App 52, 251 Wis. 2d 245, 641 N.W.2d 715, 01-1549.

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