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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    1 - 60 of 331 items
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    *Rifle Build Kit* CHF 14.7 Pin/Weld Ar15 5.56 1:7 w/ 12" Rail SBa3 Lower build Kit - SB Tactical Ar15 pistol brace kit with lp 16" MSF Specter .223 Wylde Ar15 Upper with 12" Gen3 Slim Rail
    *Rifle Build Kit* CHF 14.7 Pin/Weld Ar15 5.56 1:7 w/ 12" Rail SBa3 Lower build Kit - SB Tactical Ar15 pistol brace kit with lp16" MSF Specter .223 Wylde Ar15 Upper with 12" Gen3 Slim Rail

    $599.99

    $399.99

    $219.00

    $149.00

    $529.99

    $279.99

    (25)
     
    16" Oilslick Ar15 upper with 15" lt Mlok, BCG & Charging handle 18" 1:8 SS Fluted 5.56/223 MLok Upper, Nickel Boron BCG & CH 16" 223 Wylde Melonite 1:7 Ar15 upper with 12" Light MLok Rail
    16" Oilslick Ar15 upper with 15" lt Mlok, BCG & Charging handle18" 1:8 SS Fluted 5.56/223 MLok Upper, Nickel Boron BCG & CH16" 223 Wylde Melonite 1:7 Ar15 upper with 12" Light MLok Rail

    $569.00

    $699.99

    $399.99

    (4)

    $390.00

    $189.00

     
    Surge Ar15 6 position stock / buffer tube kit with can of Surge *Pistol Build Kit* 7.5" Shockwave 300 Blackout Ar15 w/ 7" Rail 3lb Velocity Ar15 Drop in Trigger - 3lb Curved
    Surge Ar15 6 position stock / buffer tube kit with can of Surge*Pistol Build Kit* 7.5" Shockwave 300 Blackout Ar15 w/ 7" Rail3lb Velocity Ar15 Drop in Trigger - 3lb Curved

    $49.99

    $549.00

    $329.00

    $149.99

    $134.99

    (3)
     
    Custom Color / Caliber PVD m16 Ar Bolt Carrier Group BCG *Rifle BuildKit* 16" Slant Keymod Ar15 5.56 Nato SS Mid 1:8 blem 14.7" CHF PIN/WELD Upper with Slim Keymod or Mlok FF Rail
    Custom Color / Caliber PVD m16 Ar Bolt Carrier Group BCG*Rifle BuildKit* 16" Slant Keymod Ar15 5.56 Nato SS Mid 1:8 blem14.7" CHF PIN/WELD Upper with Slim Keymod or Mlok FF Rail

    $249.00

    $149.00

    $599.99

    $399.99

    $437.97

    $327.97

     
    20" 1:8 5r SS Fluted 5.56 MLok Upper, Nickel Boron BCG & CH TiN Titanium Nitride Gold 18" Fluted .223 Wylde Ar15 Barrel Trex Machine 3.5 lb Drop In Trigger assembly for Ar15
    20" 1:8 5r SS Fluted 5.56 MLok Upper, Nickel Boron BCG & CHTiN Titanium Nitride Gold 18" Fluted .223 Wylde Ar15 BarrelTrex Machine 3.5 lb Drop In Trigger assembly for Ar15

    $799.99

    $399.99

    $249.00

    $149.00

    $79.00

     
    A2 Rifle Stock / Buffer tube kit for Ar15 / M16 Competition Muzzle Brake, Black, 5/8-32 Threads for 450 & 458 7.5 300 Blackout Rainbow PVD Oilslick 416r 1:8 Ar15 Barrel
    A2 Rifle Stock / Buffer tube kit for Ar15 / M16 Competition Muzzle Brake, Black, 5/8-32 Threads for 450 & 4587.5 300 Blackout Rainbow PVD Oilslick 416r 1:8 Ar15 Barrel

    $49.99

    $59.99

    $39.99

    $299.00

    $249.00

     
    Surge Ar15 6 position stock / buffer tube kit 15" Lightweight Slim M-Lok Handguard *PREMIUM Rifle Build Kit* 3lb Trigger with Slim Rail & NiBo BCG
    Surge Ar15 6 position stock / buffer tube kit15" Lightweight Slim M-Lok Handguard*PREMIUM Rifle Build Kit* 3lb Trigger with Slim Rail & NiBo BCG

    $49.99

    $129.00

    $99.00

    $699.99

    $549.99

    (1)
     
    *Pistol Build Kit* 7.5" Shockwave 5.56 / 223 Ar15 w/ 7" Rail 10.5 300 Blackout Rainbow PVD Oilslick 416r 1:8 Ar15 Barrel 20" 1:8 5r SS Fluted 223 Wylde MLok Upper, Nickel Boron BCG & CH
    *Pistol Build Kit* 7.5" Shockwave 5.56 / 223 Ar15 w/ 7" Rail10.5 300 Blackout Rainbow PVD Oilslick 416r 1:8 Ar15 Barrel20" 1:8 5r SS Fluted 223 Wylde MLok Upper, Nickel Boron BCG & CH

    $549.00

    $329.00

    $299.00

    $249.00

    $799.99

    $399.99

     
    Velocity 3lb Enhanced AR-15 Lower Parts Kit LPK 11.5" 5.56 Nato 1:8 Ar15 Upper Receiver with 10" free float 16 Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel
    Velocity 3lb Enhanced AR-15 Lower Parts Kit LPK 11.5" 5.56 Nato 1:8 Ar15 Upper Receiver with 10" free float16 Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel

    $209.99

    $149.99

    $379.00

    $279.00

    $299.00

    $249.00

     
    3lb Velocity Ar15 Drop in Trigger - 3lb Straight w/ finger stop Ar15 Cobra Adjustable 6pos Mil Spec stock kit - Black Ar15 Shockwave Lower Build parts kit - Blade, Pistol Tube , LPK
    3lb Velocity Ar15 Drop in Trigger - 3lb Straight w/ finger stopAr15 Cobra Adjustable 6pos Mil Spec stock kit - BlackAr15 Shockwave Lower Build parts kit - Blade, Pistol Tube , LPK

    $159.99

    $144.99

    $49.99

    $149.00

    $129.00

     
    18" SS 223 Wylde 1:8 Rifle length Ar15 Upper w 15 MLok Rail AR15 XL Assembled Upper Receiver - 458 / 450 / 50 big bore Combo sale! blem Assembled Ar15 Upper, Nickel BCG, & Handle
    18" SS 223 Wylde 1:8 Rifle length Ar15 Upper w 15 MLok RailAR15 XL Assembled Upper Receiver - 458 / 450 / 50 big boreCombo sale! blem Assembled Ar15 Upper, Nickel BCG, & Handle

    $389.00

    $299.00

    $109.99

    $79.98

    $249.00

    $149.00

     
    Maxim Defense Industries, CQB Pistol/PDW Brace for AR15 Oilslick 224 Valkyrie 22" 1:7 416r Spiral Ar15 Barrel Shockwave Blade Pistol Stabilizer With Buffer Kit, Black or FDE
    Maxim Defense Industries, CQB Pistol/PDW Brace for AR15Oilslick 224 Valkyrie 22" 1:7 416r Spiral Ar15 Barrel Shockwave Blade Pistol Stabilizer With Buffer Kit, Black or FDE

    $395.00

    $479.00

    $299.00

    $128.95

    $78.95

     
    *Rifle Build Kit* 16" Ar15 5.56/.223 1:7 blem w/ 10" Free Float 14.7" Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel 6.5 Creedmoor 18" SS Fluted blem Upper, Aero receiver, 15" mlok
    *Rifle Build Kit* 16" Ar15 5.56/.223 1:7 blem w/ 10" Free Float14.7" Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel6.5 Creedmoor 18" SS Fluted blem Upper, Aero receiver, 15" mlok

    $529.99

    $329.99

    $299.00

    $99.00

    (3)

    $579.00

    $379.00

     
    6.5 Creedmoor 18" 416r Stainless Fluted Barrel Lr 308 ar 6.5 Creedmoor 24" SS Fluted blem Upper, Aero receiver, 17" mlok 16" 1:7 5.56/223 Wylde blem AR15 Upper w/ BCG & Charging Handle
    6.5 Creedmoor 18" 416r Stainless Fluted Barrel Lr 308 ar6.5 Creedmoor 24" SS Fluted blem Upper, Aero receiver, 17" mlok 16" 1:7 5.56/223 Wylde blem AR15 Upper w/ BCG & Charging Handle

    $349.00

    $149.00

    $679.00

    $489.00

    $379.99

    $329.99

     
    16" Blem 1:7 5.56/223 Wylde AR15 Upper with 10" Free Float 20" CHF 5.56 Nato 1:7 Melonite Ar15 Rifle Upper, c15 Rail 224 Valkyrie - 18" Stainless 416r 1:7 Ar15 Barrel
    16" Blem 1:7 5.56/223 Wylde AR15 Upper with 10" Free Float 20" CHF 5.56 Nato 1:7 Melonite Ar15 Rifle Upper, c15 Rail 224 Valkyrie - 18" Stainless 416r 1:7 Ar15 Barrel

    $379.99

    $229.99

    $499.00

    $349.00

    $249.00

    $209.00

     
    *sale* Ar15 Standard Mil Spec Lower Parts Kit LPK *sale* Ar15 Lower Build Kit - Mil Spec 6 Position Stock & LPK 224 Valkyrie 22" 1:7 416r .224 SS Spiral Flute Ar15 Barrel
    *sale* Ar15 Standard Mil Spec Lower Parts Kit LPK*sale* Ar15 Lower Build Kit - Mil Spec 6 Position Stock & LPK224 Valkyrie 22" 1:7 416r .224 SS Spiral Flute Ar15 Barrel

    $59.99

    $44.99

    $149.00

    $89.00

    $279.00

    $209.00

     
    224 Valkyrie Ar15 18" SS Upper with F15 Keymod Rail 6" Ar9 SS 9mm Ar15 Upper with Flash Can & Slant Keymod Aero Precision M5 .308 Assembled Upper Receiver - Anodized Black
    224 Valkyrie Ar15 18" SS Upper with F15 Keymod Rail6" Ar9 SS 9mm Ar15 Upper with Flash Can & Slant KeymodAero Precision M5 .308 Assembled Upper Receiver - Anodized Black

    $449.00

    $349.00

    $349.00

    $249.00

    $155.00

    $131.75

     
    Ar15 Oilslick Stormbreaker Tactical Unicorn Builder Set - *FFL* Blem 20" CHF 5.56 Nato 1:7 Melonite Ar15 Upper, with BCG & CH ToolCraft Melonite / Black Nitride M16 Bolt Carrier Group
    Ar15 Oilslick Stormbreaker Tactical Unicorn Builder Set - *FFL*Blem 20" CHF 5.56 Nato 1:7 Melonite Ar15 Upper, with BCG & CHToolCraft Melonite / Black Nitride M16 Bolt Carrier Group

    $649.00

    $599.00

    $499.00

    $399.00

    $189.00

    $79.00

     
    16" Stainless .223 Wylde 1:8 Ar15 Upper w/ C15 Slim Keymod Rail 20" 416r Stainless Fluted 5.56/223 Wylde 1:8 5r MLok Upper Custom Assembled Oilslick Ar15 Upper - You pick options
    16" Stainless .223 Wylde 1:8 Ar15 Upper w/ C15 Slim Keymod Rail20" 416r Stainless Fluted 5.56/223 Wylde 1:8 5r MLok UpperCustom Assembled Oilslick Ar15 Upper - You pick options

    $399.00

    $279.00

    (4)

    $799.99

    $349.99

    $599.00

    $499.00

     
    OilSlick Ar15 Bolt Carrier Group m16 BCG *Choose Your Caliber!* 10.5" 4150 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS .223 Wylde 1:8 AR15 Upper with c12 M-Lok Rail
    OilSlick Ar15 Bolt Carrier Group m16 BCG *Choose Your Caliber!*10.5" 4150 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS .223 Wylde 1:8 AR15 Upper with c12 M-Lok Rail

    $249.00

    $179.00

    $499.00

    $399.00

    $379.99

    $279.99

     
    1 - 60 of 331 items
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