At least one auction site has shut down George Zimmerman's attempts to sell the gun he used to shoot and kill Trayvon Martin, but Zimmerman relisted the firearm with another site.
Zimmerman made headlines and sent heavy volumes of traffic to gunbroker.com on Thursday morning when he listed the firearm on the auction site. In his listing he said he planned to use part of the proceeds to fight Black Lives Matter and to counter "violence against law enforcement officers."
Proceeds would also go towards fighting Democratic presidential hopeful Hillary Clinton's "anti-firearm rhetoric," he said.
RELATED: See photos of the gun and Zimmerman's trial
George Zimmerman auctions gun
Zimmerman relists gun used to shoot Trayvon Martin after auction site shuts him down
Sanford police officer Timothy Smith holds up the gun that was used to kill Trayvon Martin, while testifying during George Zimmerman's murder trial in Seminole circuit court in Sanford, Florida, June 28, 2013. REUTERS/Joe Burbank/Pool/File Photo
Dr. Vincent DiMaio, a forensic pathologist and gunshot wound expert, describes the injuries of George Zimmerman while testifying for the defense in the trial in Seminole circuit court, in Sanford, Florida, July 9, 2013. REUTERS/Joe Burbank/Pool (UNITED STATES - Tags: CRIME LAW)
Assistant state attorney Bernie de la Rionda shows the gun used by George Zimmerman while presenting the state's closing arguments to the jury during Zimmerman's trial in Seminole circuit court in Sanford, Florida July 11, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. REUTERS/Gary W. Green/Pool (UNITED STATES - Tags: CRIME LAW)
Florida Department of Law Enforcement analyst, Amy Siewert answers questions on the witness stand while holding the gun used by George Zimmerman in the 2012 shooting death of Trayvon Martin during Zimmerman's second degree murder trial in Seminole circuit court, in Sanford, Florida, July 3, 2013. REUTERS/Jacob Langston/Pool (UNITED STATES - Tags: CRIME LAW)
Matthew Apperson, 35, makes his first appearance in Seminole County court at the John E. Polk correctional facility in Sanford, Fla., on Saturday May 16, 2015. Apperson was charged Friday with aggravated assault with a deadly weapon, aggravated battery with a deadly weapon and firing a deadly missile into an occupied conveyance stemming from an incident involving George Zimmerman earlier in the week. (Joshua C. Cruey/Orlando Sentinel/TNS via Getty Images)
Vehicle believed to belong to George #Zimmerman hauled from shooting scene #fox35 http://t.co/EtJduC9hiA
A witness says the alleged shooter who is a white male complied with Lake Mary police and was taken away.#wesh http://t.co/SSoLfyzJME
.@LakeMaryPD Chief Steve Bracknell said Zimmerman is being released from a hospital in Sanford now. Zimmerman did not shoot in the incident
LOS ANGELES, CA - JULY 20: A woman holding a can of ice tea and bag of Skittles candy and hundreds of protesters take part in a 'Justice for Trayvon' vigil outside Los Angeles Federal Courthouse July 20, 2013 in Los Angeles, United States. The vigil, along with others held nationwide, was organized by the National Action Network and called for federal charges to be filed against George Zimmerman in the shooting death of teenager Trayvon Martin. (Photo by Kevork Djansezian/Getty Images)
People angry at the acquittal of George Zimmerman in the death of black teen Trayvon Martin protest outside City Hall in Los Angeles, California July 16, 2013. A jury in Sanford, Florida last week found Zimmerman, a volunteer neighborhood watchman, not guilty of shooting dead Martin, a 17 year-old unarmed teen on the night of February 26, 2012. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
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Gunbroker.com removed the listing shortly after bidding opened at 11 a.m. EDT. The site released a statement which read in part, "We want no part in the listing on our web site or in any of the publicity it is receiving."
The site also noted it "proudly supports the Second Amendment rights of the American public."
Zimmerman subsequently posted a new listing for the Kel-Tec PF-9 9mm firearm, which he described the as "a piece of American history" in his initial auction listing, on unitedgungroup.com.
The new listing was inaccessible late Thursday afternoon, potentially due to traffic volume.
Zimmerman, who was a neighborhood watch volunteer at the time, said the shooting was in self-defense. Martin's family said the teenager was simply passing through the residential area on his way home from a convenience store.
Zimmerman was acquitted of second-degree murder and manslaughter charges in the incident that sparked civil rights rallies and shone a spotlight on Florida's controversial "stand your ground" law.