Class III Fully Automatic Weapons for Sale

Class III Full Auto Weapons for Sale

Our full auto weapons for sale include everything from outstanding historical pieces like the Colt Thompson to water-cooled single and twin anti-aircraft machine guns to modern assault rifles. These Class III fully automatic weapons for sale require adherence to NFA rules. And because our inventory changes, you'll want to visit our new arrivals page often.

Check out our selection of Class III full auto weapons for sale below. Then browse our other Class III categories, including tactical rifles, semi-auto and pump tactical shotguns, and AWC suppressors.

For more information or to ask a question, give us a call at (877) 214-9327 or email [email protected].

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Showing 61-80 of 98 item(s)

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Wilson Arms Sten MKII 9mm (R17329)

$5,850.00

Wilson Arms Sten MKII 9mm caliber rifle. Wilson Arms registered tube butt into a Sten MKII, semi and full-auto with one 30 round magazine.

Previously sold

Valmet/Qualified Manufacturing 78AK 7.62x39...

$22,999.00

Valmet/Qualified Manufacturing 78AK 7.62x39 caliber rifle. Valmet 78 converted to full auto by Qualified Manufacturing with side folding stock, 75 round drum magazine and one 30 round magazine. Class III item. All NFA rules do apply.

Previously sold

Neil Smith / Sendra XM15E2 5.56mm (R17174) New

$23,299.00

Neil Smith / Sendra XM15E2 5.56mm caliber rifle. Neil Smith conversion with LWRC upper and AAC SR-5 suppressor. New. Class III item, all NFA rules apply.

Previously sold

DLO A/C HK 9mm / .223 / .308 (R17040)

$38,799.00

DLO A/C HK 9mm / .223 / .308 caliber rifle. Registered full auto DLO trigger pack with a Vector 53 host gun with folding stock and 100 round Beta Mag.

Previously sold

FN FNC Paratrooper .223 Rem (R16991) Class III...

$21,850.00

FN FNC Paratrooper .223 Rem caliber rifle. S&H Auto Sear in 16” barrel. Semi, 3 round burst, and full auto with Beta Mag and Advanced Armament MG-SD suppressor. Class III item. All NFA rules apply.

Previously sold

Springfield M1A 7.62x51mm (R16952)

$18,999.00

Springfield M1A 7.62x51mm caliber rifle. M1A converted to full auto by Neil Smith Jr. in a Sage International EBR stock with one 20 round magazine. Class III item. All NFA rules do apply.

Previously sold

Ruger AC-556 .223 Rem (R16939)

$14,799.00

Ruger AC-556 .223 Rem caliber rifle. AC-556 in a Sage stock. Full auto, 3 round burst, and single shot. Optics ready with B5 buttstock. Class III item. All NFA rules apply.

Previously sold

Colt SP1/M16A2 .223 REM (C9965) Class III item....

$24,999.00

Colt SP1/M16A2 .223 REM caliber rifle. Colt SP1 converted to full auto with Colt M4A1 upper 14.5” barrel, EOTech 553, quad rail, B5 Systems SOPMOD stock, and one 30 round magazine. Class III item. All NFA rules apply.

Previously sold

Springfield / Neal Smith M1A 7.62x51mm (R16817)...

$18,999.00

Springfield / Neal Smith M1A 7.62x51mm caliber rifle. Neil Smith Jr. converted M1A to M14 full auto in an M14 E2 stock, with sling and one 20 round magazine. Class III item. All NFA rules apply.

Previously sold

MP5 K 9mm/.223/.308 (R16802)

$38,899.00

MP5 K 9mm/.223/.308 caliber machine gun. Full auto MP5 registered DLO trigger box. Registered in all 3 calibers. Host gun Atlantic Arms MP5K in 9mm. All NFA rules apply.

Previously sold

Fleming Firearms Machine Gun Sear 9mm/.223/.308...

$38,500.00

Fleming Firearms Machine Gun Sear 9mm/.223/.308 calibers rifle. Fleming Firearms transferable Sear registered in 9mm, .223, .308 on a Turner Fabrications host gun with A3 sliding stock and 30 round magazine. Class III item. NFA rules do apply.

Previously sold

C. Ray Systems/Sendra C XM 15 E2 5.56mm (R16749)

$18,950.00

C. Ray Systems/Sendra C XM 15 E2 5.56mm caliber rifle. Pre-86 registered Sendra M16 with Daniel defense MK18 mod1 upper, Eotech 553, Geissele super select fire trigger and Troy iron sights. Class III item. NFA rules do apply.

Previously sold

FN FNC Sporter .223 Rem (R16750)

$19,999.00

FN FNC Sporter .223 Rem caliber rifle. S&H Sear in FN host gun with side folding stock and 18” barrel. Has single shot, 3 round burst and full auto that comes with Beta magazine. Class III item. NFA rules do apply.

Previously sold

Ruger AC-556 .223 Rem (R16751)

$14,250.00

Ruger AC-556 .223 Rem caliber rifle. Full stock Ruger with 18” barrel. Fires in semi, 3 round burst and full auto with 90 round drums. Class III item. NFA rules do apply.

Previously sold

FN FNC Paratrooper .223 Rem (R16752)

$19,999.00

FN FNC Paratrooper .223 Rem caliber rifle. S&H Sear in FN host gun with side folding stock and 16” barrel. Has single shot, 3 round burst and full auto that comes with Beta magazine. Class III item. NFA rules do apply.

Previously sold

Wilson Arms Company/Colt AR-15 A2 5.56mm (C9909)

$25,899.00

Wilson Arms Company/Colt AR-15 A2 5.56mm caliber rifle. Colt SP1 converted to full auto by Wilson Arms with a Daniel Defense MK 18 Mod Ø 10.3” upper, Magpull MBUS Pro sights and MOE + grip, Vltor E. Mod stock, Eotech 512 sight and one 30 round Pmag. Class III item. NFA rules do apply.

Previously sold

Colt M16 5.56mm (C9910)

$24,999.95

Colt M16 5.56mm caliber rifle. Colt M16A1 Model 603 lower with a Colt 10.3” upper and a registered XM177 moderator suppressor. 2 tax stamps are needed. Class III item. NFA rules do apply.

Previously sold

Colt/Earls Gun Shop M16 5.56mm (C9911)

$26,499.00

Colt/Earls Gun Shop M16 5.56mm caliber rifle. Colt SP1 converted to full auto by Earl’s Gun Shop with an Ares Defense shrike belt feed upper. Class III item. NFA rules do apply.

Previously sold

Colt/Norrell Arms SP1 5.56mm (C9912)

$27,500.00

Colt/Norrell Arms SP1 5.56mm caliber rifle. Colt SP1 converted to full auto by Norrell Arms, with Colt LE6945 monolithic 10.3" barrel upper and Troy PDW stock. Class III item. NFA rules do apply.

Previously sold

Fleming Firearms G3/21 .308 Win (R16669)

$49,995.00

Fleming Firearms G3/21 .308 Win caliber rifle. HK 21 belt fed machinegun. Uses fixed or disintegrating links with box and links. Class III item. All NFA rules do apply.

Previously sold

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