Welcome to Mid State Firearms.

Mid State Firearms specializes in offering top quality Ar15 Upper Receivers, parts, and accessories for sale. We also work to provide you with the best prices on anything you need for home or self defense. Whether you need a fun range toy, or a defense weapon to protect your family, we are here to help.  Be sure to browse all of our items and options to customize your upper for your needs.

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    61 - 120 of 317 items
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    Velocity 3lb Enhanced AR-15 Lower Parts Kit LPK w/ AntiWalk Pins MSF 16" 5.56/223 1:8 Ar15 Upper with slim 15" M-Lok Rail 16" SS Midlenth 5.56 Nato 1:8 Ar15 Upper w/ C15 Slim Keymod Rail
    Velocity 3lb Enhanced AR-15 Lower Parts Kit LPK w/ AntiWalk PinsMSF 16" 5.56/223 1:8 Ar15 Upper with slim 15" M-Lok Rail16" SS Midlenth 5.56 Nato 1:8 Ar15 Upper w/ C15 Slim Keymod Rail

    $209.99

    $149.99

    $429.00

    $279.00

    $399.00

    $279.00

     
    16" SS MidLength 556 Nato 1:8 Ar15 Upper w/ V15 Slim Keymod Rail 16" SS Mid Length 5.56 Nato 1:8 Ar15 Upper w/ F15 Slim Keymod 14.5" MSF Specter .223 Wylde Ar15 Upper with pin/weld brake
    16" SS MidLength 556 Nato 1:8 Ar15 Upper w/ V15 Slim Keymod Rail16" SS Mid Length 5.56 Nato 1:8 Ar15 Upper w/ F15 Slim Keymod 14.5" MSF Specter .223 Wylde Ar15 Upper with pin/weld brake

    $399.00

    $179.00

    $399.00

    $179.00

    $529.99

    $329.99

     
    Blem 16" 5.56/223 Wylde AR15 Complete Upper with 15" Keymod Rail 16" .458 Socom Ar15 Hbar Upper Receiver Grab Bag 5.56/223 Ar15 Upper with BCG and Charging Handle
    Blem 16" 5.56/223 Wylde AR15 Complete Upper with 15" Keymod Rail16" .458 Socom Ar15 Hbar Upper ReceiverGrab Bag 5.56/223 Ar15 Upper with BCG and Charging Handle

    $509.99

    $399.99

    $589.99

    $389.99

    $499.00

    $299.00

    (1)
     
    M-Lok 16" blem 5.56/223 Wylde AR15 Upper with 10"  Handguard 18" .450 Bushmaster Ar15 Hbar Upper Receiver MSF Blem 16" 5.56/223 Wylde AR15 Upper w/ BCG & Charging Handle
    M-Lok 16" blem 5.56/223 Wylde AR15 Upper with 10" Handguard18" .450 Bushmaster Ar15 Hbar Upper ReceiverMSF Blem 16" 5.56/223 Wylde AR15 Upper w/ BCG & Charging Handle

    $379.99

    $229.99

    $589.99

    $389.99

    $379.99

    $329.99

    (55)
     
    *Rifle Build Kit* SS 16" Slant Keymod Ar15 5.56/.223 w/ 12" Rail MSF PRO Side Charging 18" SS .223 Wylde Fluted Complete Upper 6.5 Grendel Stainless Ar15 Upper with free float handguard
    *Rifle Build Kit* SS 16" Slant Keymod Ar15 5.56/.223 w/ 12" RailMSF PRO Side Charging 18" SS .223 Wylde Fluted Complete Upper 6.5 Grendel Stainless Ar15 Upper with free float handguard

    $599.99

    $479.00

    $1,299.00

    $989.00

    $579.99

    $389.99

     
    9mm 3" Ar15 Pistol Upper with 4" Handguard and Flash Can MSF Billet Ar15 Stripped Lower and Side charging upper Set *FFL* 16" Custom Upper with Free Float Handguard, NiB BCG & Ext. Latch
    9mm 3" Ar15 Pistol Upper with 4" Handguard and Flash CanMSF Billet Ar15 Stripped Lower and Side charging upper Set *FFL*16" Custom Upper with Free Float Handguard, NiB BCG & Ext. Latch

    $399.00

    $229.00

    $399.00

    $379.00

    $599.00

    $489.00

     
    MSF 16" 5.56/223 1:8 Ar15 Upper with slim 12" M-Lok Rail MSF Red Charging Handle - spec ops Oversized Extended Latch Test Fired Melonite m16 BCG & Ext. Latch Charging Handle -blem
    MSF 16" 5.56/223 1:8 Ar15 Upper with slim 12" M-Lok RailMSF Red Charging Handle - spec ops Oversized Extended LatchTest Fired Melonite m16 BCG & Ext. Latch Charging Handle -blem

    $349.00

    $279.00

    $34.99

    $24.99

    $189.00

    $94.50

     
    7.5" Blem 5.56/223 Ar15 Pistol Upper, BCG and Charging Handle Blem MSF 16" 5.56/223 1:8 Ar15 Upper, slim Mlok or Keymod Rail 16" .223 Wylde 1:8 Ar15 Upper with C15 Slim Keymod Rail
    7.5" Blem 5.56/223 Ar15 Pistol Upper, BCG and Charging HandleBlem MSF 16" 5.56/223 1:8 Ar15 Upper, slim Mlok or Keymod Rail16" .223 Wylde 1:8 Ar15 Upper with C15 Slim Keymod Rail

    $399.99

    $299.00

    $429.00

    $249.00

    (4)

    $379.00

    $279.00

    (3)
     
    15" Slanted Hybrid M-Lok Free Float Rail 16" Stainless .223 Wylde 1:8 Ar15 Upper w/ V15 Slim Keymod Rail 16" .223 Wylde 1:8 Ar15 Upper with F15 Slim Keymod Rail
    15" Slanted Hybrid M-Lok Free Float Rail 16" Stainless .223 Wylde 1:8 Ar15 Upper w/ V15 Slim Keymod Rail16" .223 Wylde 1:8 Ar15 Upper with F15 Slim Keymod Rail

    $209.00

    $99.00

    $399.00

    $229.00

    (7)

    $379.00

    $279.00

     
    16" Stainless .223 Wylde 1:8 Ar15 Upper w/ F15 Slim Keymod Rail 16" .223 Wylde 1:8 Ar15 Upper with V15 Slim Keymod Rail *Pistol Build Kit* 10.5" 7.62x39 Ar15 with 10" FF Rail
    16" Stainless .223 Wylde 1:8 Ar15 Upper w/ F15 Slim Keymod Rail16" .223 Wylde 1:8 Ar15 Upper with V15 Slim Keymod Rail*Pistol Build Kit* 10.5" 7.62x39 Ar15 with 10" FF Rail

    $399.00

    $199.00

    (5)

    $379.00

    $229.00

    (9)

    $549.00

    $469.00

     
    16" SS .223 Wylde 1:8 Ar15 Upper with Slanted Hybrid Keymod Rail Side Charging Ar15 Upper and BCG Combo - 5.56 / 223 / 300 blk 10.5" SS 5.56/223 Ar15 Upper, Slanted Hybrid Keymod & Flash Can
    16" SS .223 Wylde 1:8 Ar15 Upper with Slanted Hybrid Keymod RailSide Charging Ar15 Upper and BCG Combo - 5.56 / 223 / 300 blk10.5" SS 5.56/223 Ar15 Upper, Slanted Hybrid Keymod & Flash Can

    $399.00

    $279.00

    (2)

    $299.00

    $199.00

    $449.00

    $339.00

     
    10.5" 300 BLK Ar15 Upper, Slanted Hybrid Keymod & Flash Can *blem* Mil Spec Ar15 Stripped Upper Receiver - a3/a4 Flat Top 9mm Matrix Non-Reciprocating Side Charging Billet Ar15 Upper
    10.5" 300 BLK Ar15 Upper, Slanted Hybrid Keymod & Flash Can*blem* Mil Spec Ar15 Stripped Upper Receiver - a3/a4 Flat Top9mm Matrix Non-Reciprocating Side Charging Billet Ar15 Upper

    $429.00

    $329.00

    $79.99

    $43.89

    $299.95

    $239.95

     
    15" Slanted Hybrid Keymod Free Float Rail 12" Slanted Hybrid M-Lok Free Float Rail 12" Slanted Hybrid Keymod Free Float Rail
    15" Slanted Hybrid Keymod Free Float Rail 12" Slanted Hybrid M-Lok Free Float Rail 12" Slanted Hybrid Keymod Free Float Rail

    $199.00

    $99.00

    $179.00

    $99.00

    (2)

    $169.00

    $99.00

    (1)
     
    18" 5.56/223 1:8 SS Spiral Fluted  Ar15 Upper, 12" Hybrid Keymod *Rifle Build Kit* 16" Specter Ar15 5.56/.223 w/ 12" Gen3 Rail 18" Spiral Fluted 1:8 416r Stainless .223 Wylde Barrel
    18" 5.56/223 1:8 SS Spiral Fluted Ar15 Upper, 12" Hybrid Keymod*Rifle Build Kit* 16" Specter Ar15 5.56/.223 w/ 12" Gen3 Rail18" Spiral Fluted 1:8 416r Stainless .223 Wylde Barrel

    $579.99

    $389.99

    $599.99

    $479.00

    $269.99

    $179.99

     
    7.5" 9mm Nitride Ar15 Barrel 7.5" 9mm Stainless Ar15 Barrel 10.5" 7.62x39 Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can
    7.5" 9mm Nitride Ar15 Barrel7.5" 9mm Stainless Ar15 Barrel10.5" 7.62x39 Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can

    $139.00

    $99.00

    $149.00

    $119.00

    $449.00

    $329.00

     
    14.5" 1:8 5.56 / 223 ar15 Pistol Upper with 10" Free Float Rail 14.5" 1:8 5.56 / 223 ar15 Pistol Upper, 15" Keymod & Flash Can 9mm 5" Ar15 Pistol Upper with C7 Keymod and Flash Can
    14.5" 1:8 5.56 / 223 ar15 Pistol Upper with 10" Free Float Rail14.5" 1:8 5.56 / 223 ar15 Pistol Upper, 15" Keymod & Flash Can9mm 5" Ar15 Pistol Upper with C7 Keymod and Flash Can

    $299.99

    $249.99

    $399.99

    $299.00

    $399.00

    $329.00

     
    10.5" 5.56/223 Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can OilSlick Ar15 Bolt Carrier Group m16 BCG Titanium Nitride TiN M16 / Ar15 MPI Bolt Carrier Group 5.56/223
    10.5" 5.56/223 Ar15 Pistol Upper with 12" Gen3 Rail & Flash CanOilSlick Ar15 Bolt Carrier Group m16 BCGTitanium Nitride TiN M16 / Ar15 MPI Bolt Carrier Group 5.56/223

    $429.00

    $329.00

    $249.00

    $179.00

    $229.00

    $159.00

    (2)
     
    'Ironman' Titanium Nitride BCG & SI Red Charging Handle set Anderson Manufacturing Ar15 Lower Receiver Complete *FFL ITEM* MSF Billet Ar15 Stripped Lower Receiver *FFL ITEM*
    'Ironman' Titanium Nitride BCG & SI Red Charging Handle setAnderson Manufacturing Ar15 Lower Receiver Complete *FFL ITEM*MSF Billet Ar15 Stripped Lower Receiver *FFL ITEM*

    $249.00

    $197.50

    $199.99

    $139.99

    (1)

    $199.00

    $129.00

     
    AR15 Assembled Upper Receiver - FDE Cerakote - Aero Precision ICD Adjustable Gas Block .750 Low Profile Ar15 10.5" 5.56 / 223 Ar15 Pistol Upper with Hybrid Keymod Rail
    AR15 Assembled Upper Receiver - FDE Cerakote - Aero PrecisionICD Adjustable Gas Block .750 Low Profile Ar1510.5" 5.56 / 223 Ar15 Pistol Upper with Hybrid Keymod Rail

    $125.00

    $95.00

    $59.99

    $49.99

    (1)

    $349.00

    $299.00

    (1)
     
    10.5" 300 BLK Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can 9mm 7.5" Ar15 Pistol Upper with C9 Keymod and Flash Can 16" MSF 9mm Ar15 Upper with 10" Free Float Rail
    10.5" 300 BLK Ar15 Pistol Upper with 12" Gen3 Rail & Flash Can9mm 7.5" Ar15 Pistol Upper with C9 Keymod and Flash Can16" MSF 9mm Ar15 Upper with 10" Free Float Rail

    $429.00

    $329.00

    (2)

    $399.00

    $329.00

    $379.99

    $284.99

    (4)
     
    61 - 120 of 317 items
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