LOWELL — Eight people are facing charges of trafficking in illegal firearms and drugs in raids by Lowell and state police along with federal agents that netted $11,000 in cash and some rare coins.

The investigation involved more than a dozen search warrants served on Sunday and resulted in the seizure of three shotguns, including an illegally modified sawed-off shotgun, two rifles, a revolver and two semiautomatic handguns, according to the Middlesex District Attorney’s Office.

More than 130 grams of heroin, more than 40 grams of cocaine and prescription pills containing buprenorphine were also confiscated, along with more than $11,000 in cash and rare coins, according to authorities.

“This is another positive step in the work we do to disrupt gang violence and the illegal trade in guns and drugs,” Lowell Police Superintendent William Taylor said in a statement.

Middlesex District Attorney Marian Ryan added, “This investigation shows our commitment to stopping the sale of illegal guns and drugs by attacking the source. One effective way to reduce gun violence is to hold accountable the people that bring illegal guns into this community.”

The investigation was conducted in conjunction with the U.S. Bureau of Alcohol, Tobacco, Firearms & Explosives.

The eight defendants were arraigned on Monday before Lowell District Court Neil Hourihan. The following are the list of defendants, the charges and bail amounts:

* Eddy J. Rodriguez, 23, 113 S. Whipple St., first floor, ofLowell, was charged with possession of a sawed-off shotgun, illegal possession of ammunition, illegal sale of a firearm, unlicensed sale of ammunition, distribution of a Class B substance (three counts), conspiracy to violate drug laws and intimidation of a witness. Bail was revoked on a previous charge and set at $550,000 cash on these charges.

* Victor Vega, 48, no fixed address, Lowell, was charged with trafficking heroin over 100 grams, distribution of a Class A substance (subsequent offense), possession with intent to distribute a Class B substance and drug violation near a school/park. Bail was set at $150,000 cash.

* Robert Rosa, 38, 107 Hildreth St., Lowell, was charged with possession of a firearm with defaced serial number during the commission of a felony, trafficking cocaine over 36 grams, possession of a firearm (two counts), improper storage of a firearm, illegal possession of ammunition and possession of a firearm as an armed-career criminal. Bail was set at $150,000 cash.

* Naida Rodriguez, 53, 23 Orford St., first floor, Lowell, was charged with trafficking in heroin over 100 grams and possession with intent to distribute a Class B substance. She was held without bail.

* Glenda Nieves, 22, 84 Willie St., first floor, Lowell, was charged with distribution of a Class B substance and conspiracy to violate the drug laws. She was released on personal recognizance.

* Noel Toledo, 24, no address available, Lowell, was charged with distribution of a Class B substance and conspiracy to violate the drug laws. Bail on a previous charge was revoked and bail set at $20,000 cash on the new charges.

* Michael Lopez-Rios, 27, 29 W. Fourth St., Lowell, was charged with distribution of a Class B substance and drug violation near a school/park. Bail was set at $6,000 cash.

* Alexis Nuñez, 24, 147 Dalton St., Lowell, was charged with distribution of a Class B substance and drug violation near a school/park. Bail was set at $500 cash.

Lopez- Rios, Nieves, Eddy Rodriguez, Rosa, Toledo and Vega are all scheduled for either pretrial conference or probable cause hearing on Nov. 24. Naida Rodriguez will have a probable cause hearing on NOv. 25 and a pretrial conference is scheduled for Nunez on Dec. 17.