RARE PREBAN Bushmaster (GWINN) Assault Rifle in 5.56mm. This piston operated semi-automatic rifle has an 18.5” barrel and was made in 1983. This was the first model rifle that Bushmaster ever produced. It has little wear from use and comes with ONE Adventure Line preban 20 round magazine and sling as shown. Takes regular AR-15 style magazines. First Generation Bushmaster Assault Rifle - Wooden stock shown Marketed by Gwinn as “Bushmaster Assault Rifle”. These rifles were an early hybrid between M16 and AK47. The Bushmaster Assault Rifle predates bushmaster firearms entry into AR15 style rifles. These rifles are ACTUAL named “Bushmaster Assault Rifle” by the manufacturer. Very rare and Extremely collectable. This rifle has a very low serial number.

Cash: $2249
Credit: $2327


Powder House Arms & Instruction LLC is a Federally and State Licensed Firearms Dealer. All Federal and Massachusetts laws will be followed. 6.25% Massachusetts sales tax added to all in-state transactions. All firearms and ammo sales are final. All sales are appointment only.

***NOTE*** This is a used firearm.  Powder House Arms has no information on prior use or history of this firearm and recommends that any used firearm, no matter how or where obtained, be carefully inspected by a cerified gunsmith before loading and firing.


We are located at:

 992 Bedford Street Unit M-3, Bridgewater Ma 02324. The shop is located on the left side of the building on the 2nd floor.


Certified Armorer (Sig Sauer, Ar15)

Call / Text: 508-203-7414

Email- [email protected]