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 321 items
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    *Pistol Build Kit* 7.5" Shockwave 300 Blackout Ar15 w/ 7" Rail *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
    *Pistol Build Kit* 7.5" Shockwave 300 Blackout Ar15 w/ 7" Rail*Pistol Build Kit* 7.5" Shockwave 5.56 / 223 Ar15 w/ 7" Rail10.5 300 Blackout Rainbow PVD Oilslick 416r 1:8 Ar15 Barrel

    $549.00

    $319.00

    $549.00

    $299.00

    $299.00

    $249.00

     
    14.7" CHF PIN/WELD Upper with Slim Keymod or Mlok FF Rail 16 Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel 16" 223 Wylde Melonite 1:7 Ar15 upper with 12" Light MLok Rail
    14.7" CHF PIN/WELD Upper with Slim Keymod or Mlok FF Rail16 Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel16" 223 Wylde Melonite 1:7 Ar15 upper with 12" Light MLok Rail

    $337.97

    $219.98

    $299.00

    $249.00

    $390.00

    $199.00

     
    18" 1:8 SS Fluted 5.56/223 MLok Upper, Nickel Boron BCG & CH 18" SS 223 Wylde 1:8 Rifle length Ar15 Upper w 15 MLok Rail 3lb Velocity Ar15 Drop in Trigger - 3lb Straight w/ finger stop
    18" 1:8 SS Fluted 5.56/223 MLok Upper, Nickel Boron BCG & CH18" SS 223 Wylde 1:8 Rifle length Ar15 Upper w 15 MLok Rail3lb Velocity Ar15 Drop in Trigger - 3lb Straight w/ finger stop

    $699.99

    $399.99

    (4)

    $389.00

    $199.00

    $159.99

    $144.99

     
    6.5 Creedmoor 18" 416r Stainless Fluted Barrel Lr 308 ar Ar15 Shockwave Lower Build parts kit - Blade, Pistol Tube , LPK AR15 XL Assembled Upper Receiver - 458 / 450 / 50 big bore
    6.5 Creedmoor 18" 416r Stainless Fluted Barrel Lr 308 arAr15 Shockwave Lower Build parts kit - Blade, Pistol Tube , LPKAR15 XL Assembled Upper Receiver - 458 / 450 / 50 big bore

    $349.00

    $149.00

    $149.00

    $129.00

    $109.99

    $79.98

     
    Combo sale! blem Assembled Ar15 Upper, Nickel BCG, & Handle Maxim Defense Industries, CQB Pistol/PDW Brace for AR15 Oilslick 224 Valkyrie 22" 1:7 416r Spiral Ar15 Barrel
    Combo sale! blem Assembled Ar15 Upper, Nickel BCG, & HandleMaxim Defense Industries, CQB Pistol/PDW Brace for AR15Oilslick 224 Valkyrie 22" 1:7 416r Spiral Ar15 Barrel

    $249.00

    $137.89

    $395.00

    $479.00

    $299.00

     
    Shockwave Blade Pistol Stabilizer With Buffer Kit, Black or FDE 20" 1:8 5r SS Fluted 223 Wylde MLok Upper, Nickel Boron BCG & CH *Rifle Build Kit* 16" Ar15 5.56/.223 1:7 blem w/ 10" Free Float
    Shockwave Blade Pistol Stabilizer With Buffer Kit, Black or FDE20" 1:8 5r SS Fluted 223 Wylde MLok Upper, Nickel Boron BCG & CH*Rifle Build Kit* 16" Ar15 5.56/.223 1:7 blem w/ 10" Free Float

    $128.95

    $78.95

    $799.99

    $399.99

    $529.99

    $299.99

     
    *Rifle BuildKit* 16" Slant Keymod Ar15 5.56 Nato SS Mid 1:8 blem *sale* Ar15 Lower Build Kit - Mil Spec 6 Position Stock & LPK *sale* Ar15 Standard Mil Spec Lower Parts Kit LPK
    *Rifle BuildKit* 16" Slant Keymod Ar15 5.56 Nato SS Mid 1:8 blem*sale* Ar15 Lower Build Kit - Mil Spec 6 Position Stock & LPK*sale* Ar15 Standard Mil Spec Lower Parts Kit LPK

    $599.99

    $399.99

    $149.00

    $89.00

    $59.99

    $44.99

     
    14.7" Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel 16" 1:7 5.56/223 Wylde blem AR15 Upper w/ BCG & Charging Handle 16" Blem 1:7 5.56/223 Wylde AR15 Upper with 10" Free Float
    14.7" Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel16" 1:7 5.56/223 Wylde blem AR15 Upper w/ BCG & Charging Handle16" Blem 1:7 5.56/223 Wylde AR15 Upper with 10" Free Float

    $299.00

    $79.00

    $379.99

    $269.99

    $379.99

    $179.99

     
    16" MSF Specter .223 Wylde Ar15 Upper with 12" Gen3 Slim Rail 20" CHF 5.56 Nato 1:7 Melonite Ar15 Rifle Upper, c15 Rail 224 Valkyrie - 18" Stainless 416r 1:7 Ar15 Barrel
    16" MSF Specter .223 Wylde Ar15 Upper with 12" Gen3 Slim Rail20" CHF 5.56 Nato 1:7 Melonite Ar15 Rifle Upper, c15 Rail 224 Valkyrie - 18" Stainless 416r 1:7 Ar15 Barrel

    $529.99

    $279.99

    (25)

    $499.00

    $349.00

    $249.00

    $209.00

     
    224 Valkyrie 22" 1:7 416r .224 SS Spiral Flute Ar15 Barrel 224 Valkyrie Ar15 18" SS Upper with F15 Keymod Rail 6" Ar9 SS 9mm Ar15 Upper with Flash Can & Slant Keymod
    224 Valkyrie 22" 1:7 416r .224 SS Spiral Flute Ar15 Barrel 224 Valkyrie Ar15 18" SS Upper with F15 Keymod Rail6" Ar9 SS 9mm Ar15 Upper with Flash Can & Slant Keymod

    $279.00

    $209.00

    $449.00

    $349.00

    $349.00

    $249.00

     
    Aero Precision M5 .308 Assembled Upper Receiver - Anodized Black Ar15 Oilslick Stormbreaker Tactical Unicorn Builder Set - *FFL* Blem 20" CHF 5.56 Nato 1:7 Melonite Ar15 Upper, with BCG & CH
    Aero Precision M5 .308 Assembled Upper Receiver - Anodized BlackAr15 Oilslick Stormbreaker Tactical Unicorn Builder Set - *FFL*Blem 20" CHF 5.56 Nato 1:7 Melonite Ar15 Upper, with BCG & CH

    $155.00

    $131.75

    $649.00

    $599.00

    $499.00

    $349.00

     
    ToolCraft Melonite / Black Nitride M16 Bolt Carrier Group 16" Stainless .223 Wylde 1:8 Ar15 Upper w/ C15 Slim Keymod Rail 20" 1:8 5r SS Fluted 5.56 MLok Upper, Nickel Boron BCG & CH
    ToolCraft Melonite / Black Nitride M16 Bolt Carrier Group16" Stainless .223 Wylde 1:8 Ar15 Upper w/ C15 Slim Keymod Rail20" 1:8 5r SS Fluted 5.56 MLok Upper, Nickel Boron BCG & CH

    $189.00

    $79.00

    $399.00

    $279.00

    (4)

    $799.99

    $499.99

     
    *PREMIUM Rifle Build Kit* 3lb Trigger with Slim Rail & NiBo BCG 20" 416r Stainless Fluted 5.56/223 Wylde 1:8 5r MLok Upper Custom Assembled Oilslick Ar15 Upper - You pick options
    *PREMIUM Rifle Build Kit* 3lb Trigger with Slim Rail & NiBo BCG20" 416r Stainless Fluted 5.56/223 Wylde 1:8 5r MLok UpperCustom Assembled Oilslick Ar15 Upper - You pick options

    $699.99

    $549.99

    $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

     
    *Rifle Build Kit* 16" SS Ar15 5.56/.223 1:8 mid w/ c12 Mlok Rail *Rifle Build Kit* 18"  Ar15 5.56/.223 Wylde 1:8 mid w/ c12 Mlok *Rifle Build Kit* blem 16" 4150 Ar15 1:7 223 Wylde, 10" mlok
    *Rifle Build Kit* 16" SS Ar15 5.56/.223 1:8 mid w/ c12 Mlok Rail*Rifle Build Kit* 18" Ar15 5.56/.223 Wylde 1:8 mid w/ c12 Mlok *Rifle Build Kit* blem 16" 4150 Ar15 1:7 223 Wylde, 10" mlok

    $599.99

    $399.00

    $599.99

    $399.00

    $599.99

    $399.00

     
    *Rifle Build Kit* blem 16" SS Ar15 5.56 1:8 mid, 12" mlok Rail 10.5" SS 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS blem Mid Length 5.56 Nato 1:8 AR15 Upper with c12 M-Lok
    *Rifle Build Kit* blem 16" SS Ar15 5.56 1:8 mid, 12" mlok Rail10.5" SS 9mm ar15 upper, c13 keymod, flash can, bcg, ambi ch 16" SS blem Mid Length 5.56 Nato 1:8 AR15 Upper with c12 M-Lok

    $599.99

    $399.00

    $499.00

    $399.00

    $379.99

    $229.99

     
    18" 1:8 5.56/223 Wylde Ar15 Upper with c12 Mlok 7.5 Blem 5.56/223 Ar15 Upper w/ M-Lok, BCG & Charging Handle 7.5" Blem 5.56/223 Ar15 Pistol Upper w/ M-Lok Handguard
    18" 1:8 5.56/223 Wylde Ar15 Upper with c12 Mlok7.5 Blem 5.56/223 Ar15 Upper w/ M-Lok, BCG & Charging Handle7.5" Blem 5.56/223 Ar15 Pistol Upper w/ M-Lok Handguard

    $479.99

    $329.99

    $419.00

    $299.00

    $419.00

    $229.00

     
    Oilslick Rainbow PVD Threaded Glock 17 G17 9mm Barrel 1/2-28 Oilslick Rainbow PVD Threaded Glock 19 G19 9mm Barrel 1/2-28 SALE! *blem* m4 Stripped upper with dust cover & fwd assist kit
    Oilslick Rainbow PVD Threaded Glock 17 G17 9mm Barrel 1/2-28Oilslick Rainbow PVD Threaded Glock 19 G19 9mm Barrel 1/2-28SALE! *blem* m4 Stripped upper with dust cover & fwd assist kit

    $229.00

    $129.00

    $229.00

    $149.00

    $99.99

    $49.50

     
    SALE! *blem* m4 Stripped upper, Ambi Latch Handle & Parts Kit SALE! *blem* Mil Spec Ar15 Stripped Upper Receiver, Limit 3 Stainless Threaded Glock 17 G17 9mm Barrel , 1/2-28 threads
    SALE! *blem* m4 Stripped upper, Ambi Latch Handle & Parts KitSALE! *blem* Mil Spec Ar15 Stripped Upper Receiver, Limit 3Stainless Threaded Glock 17 G17 9mm Barrel , 1/2-28 threads

    $99.99

    $64.99

    $79.99

    $43.89

    (1)

    $179.00

    $99.00

     
    Oilslick Rainbow PVD Competition Muzzle Brake SS 1/2-28  223 Diamond Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 Barrel M-Lok Blem 16" 223 Wylde 1:7 AR15 Upper w/ BCG & Charging Handle
    Oilslick Rainbow PVD Competition Muzzle Brake SS 1/2-28 223Diamond Fluted Rainbow PVD Oilslick .223 Wylde 416r Ar15 BarrelM-Lok Blem 16" 223 Wylde 1:7 AR15 Upper w/ BCG & Charging Handle

    $59.99

    $299.00

    $249.00

    $379.99

    $299.99

    (1)
     
    1 - 60 of 321 items
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