Chris Everhart looks at a Bushmaster BA-50 bolt action rifle at the Bushmaster Firearms booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. The SHOT Show is the largest annual gathering of shooting professionals with more than 1,600 exhibitors and 30,000 attendees expected. (Photo by Ethan Miller/Getty Images)

Ed Mazzeo (R) with Bushmaster Firearms shows Matteo Martini a semi-auotmatic Bushmaster Enhanced Adaptive Combat Rifle (ACR) at the Bushmaster Firearms booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Attendees try out Sig Sauer 1911 model pistols at the Sig Sauer booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Stuart Craig of Washington tries out a Sig Sauer 1911 model Scorpion pistol at the Sig Sauer booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

An attendee tries out a Sig Sauer 1911 model Fastback Nightmare pistol at the Sig Sauer booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Brant Sabau with GG&G Inc. talks to attendees about the company's tactical rifle accessories behind an Airsoft AR-15 rifle and a replica claymore anti-personnel mine (R) at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Nicholas Dugan of California looks at the new Tac-50 A1-R2 rifle on display at the McMillan Firearms Manufacturing booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Jack Oliver with McMillan Firearms Manufacturing displays the company's new CS5 bolt action tactical rifle at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Attendees try out handguns at the Taurus booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

(L-R) International Golden Group projects manager Saeed Aleghfeli from the United Arab Emirates and Matar Muhair Al Hamiri from the United Arab Emirates Armed Forces look on as Mike Costello with Rheinmetall Electro-Optics shows them a ballistic fire control computer attached to a belt-fed automatic 40mm HK GMG (grenade machine gun) at the Heckler & Koch booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Ammunition is displayed at the Magtech booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Winchester Ranger law enforcement ammunition is displayed in glass at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

An attendee holds a .50 Action Express (.50 AE) Desert Eagle semi-automatic pistol at the Kahr Arms booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Taser International's X2 two-shot Taser for law enforcement is displayed at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. The device offers dual lasers to assist aiming and can fire two shots up to 25 feet to engage more than one target or one shot can serve as a backup in case the first shot misses. (Photo by Ethan Miller/Getty Images)

Wayne Tran (L) and Chris Nguyen, both of California, look at SIG556 semi-automatic rifles at the Sig Sauer booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

An attendee holds a Kahr Arms CM40 pistol at the company's booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

Smith & Wesson M&P15 MOE Mid rifles are displayed at the Smith & Wesson booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

An attendee looks at shooting targets displayed at the Zombie Industries booth at the National Shooting Sports Foundation's 34th annual Shooting, Hunting, Outdoor Trade (SHOT) Show at the Sands Expo and Convention Center January 17, 2012 in Las Vegas, Nevada. The company makes biodegradable targets that can appear to bleed when shot and others that show a fluorescent orange mark when hit. (Photo by Ethan Miller/Getty Images)