Upper Receiver Parts & Kits for Sale | AR-15 Upper Receiver Assembly — Mid State Firearms - Page 5

Showing 193–240 of 359 results

-9%

Black Nitride Bolt Carrier Group (BCG) AR-15 5.56/.223

1 review
Original price was: $109.99.Current price is: $99.99.
Black Tanker Style Comp Brake 1/2-28 223
Thread Pitch: 1/2x28

No reviews
$78.06
-36%

Blem / Salvage Ar15 M16 Bolt Carrier Group BCG Parts Kit

12 reviews
Original price was: $92.59.Current price is: $59.00.
-20%

blem oilslick stripped upper

Original price was: $199.00.Current price is: $159.00.
-25%

Blem Rainbow PVD Ar15 / m16 bcg Chameleon Oilslick bolt carrier group

2 reviews
Original price was: $159.99.Current price is: $119.99.
-48%

Blem Titanium Nitride TiN M16 / Ar15 MPI BCG 5.56/223

1 review
Original price was: $288.54.Current price is: $149.00.
-55%

Blue chameleon PVD m16 Ar15 Bolt Carrier Group BCG

3 reviews
Original price was: $329.42.Current price is: $149.12.
-43%

Carpenter 158 Melonite / Nitride M16 Ar15 Bolt Carrier Group

Original price was: $260.04.Current price is: $149.00.
-46%

Charging Handle – Spec Ops Oversized Extended Latch – Black

Original price was: $46.30.Current price is: $25.00.
-30%

Cheap ass .750 Steel set screw ar15 barrel dimpling jig

1 review
Original price was: $26.45.Current price is: $18.54.
-25%

Cheap ass .750 Steel set screw ar15 barrel dimpling jig v2

16 reviews
Original price was: $26.45.Current price is: $19.84.
-56%

Competition Muzzle Brake, Black, .308 5/8-24 Threads
Caliber: .308
Thread Pitch: 5/8x24

1 review
Original price was: $79.37.Current price is: $35.00.
-33%

Competition Muzzle Brake, Black, 5/8-32 Threads for 450 & 458
Caliber: .450 Bushmaster, .458 Socom
Thread Pitch: 5/8x32

Original price was: $79.37.Current price is: $52.91.
-56%

Competition Muzzle Brake, Stainless, 1/2×28
Thread Pitch: 1/2x28

3 reviews
Original price was: $79.37.Current price is: $35.00.
-56%

Competiton Muzzle Brake, Black, .223 1/2-28 Threads
Thread Pitch: 1/2x28

Original price was: $79.37.Current price is: $35.00.
-29%

CUSTOM Engraved Ar15 Ejection Port / Dust Cover

1 review
Original price was: $46.31.Current price is: $33.06.
-14%

Custom Engraved Charging Handle with Custom Engraving!

Original price was: $46.30.Current price is: $39.67.
-39%

DLC m16 / Ar15 Bolt Carrier Group, blem

Original price was: $229.00.Current price is: $139.00.
-32%

End cap for handguard, .750 barrel dia

2 reviews
Original price was: $13.21.Current price is: $9.00.
-29%

Engraved Dust Cover – Ejection Port Cover

Original price was: $46.31.Current price is: $33.06.
-17%

Firing Pin Retaining Pin / Retainer , Ar15 / M16

2 reviews
Original price was: $1.79.Current price is: $1.49.
-40%

Flat Dark Earth m16 FDE pvd ar15 bolt carrier group BCG

Original price was: $248.80.Current price is: $149.80.
Gas Block / Gas Tube Assembly with Gas Block and Gas Tube

3 reviews
$29.99
-50%

Left Hand Nickel Boron BCG M16 / Ar15 Bolt Carrier Group

6 reviews
Original price was: $299.00.Current price is: $149.00.
Left Hand Stag Arms / Aero Ar15 Flat Top Stripped / Assembled Upper

1 review
$119.00
-49%

Lightning Bolt custom engraved Ar15 M16 Bolt Carrier Group BCG

3 reviews
Original price was: $194.98.Current price is: $99.00.
M16 Bolt Carrier Group – Billet Extractor, 5.56 – Color PVD – blem

$149.95
-40%

Mil Spec Ar15 Stripped Upper Receiver – a3/a4 Flat Top

3 reviews
Original price was: $100.01.Current price is: $59.99.
-13%

MSF 10.5″ 7.62x39mm Pistol Upper Assembly
Style: Pistol
Caliber: 7.62x39

2 reviews
Original price was: $374.00.Current price is: $324.00.
-14%

MSF 10.5” Pistol 300 Blackout Upper Assembly
Barrel Size: 10.5"
Style: Pistol

1 review
Original price was: $349.00.Current price is: $299.00.
-14%

MSF 10.5” Pistol .458 SOCOM Upper Assembly
Barrel Size: 10.5"
Style: Pistol

1 review
Original price was: $349.00.Current price is: $299.00.
-14%

MSF 10.5” Pistol 5.56/.223 Upper Assembly
Barrel Size: 10.5"
Style: Pistol

2 reviews
Original price was: $349.00.Current price is: $299.00.
-14%

MSF 10” 9mm Pistol Upper Assembly
Barrel Size: 10"
Style: Pistol

Original price was: $349.00.Current price is: $299.00.
-14%

MSF 11.5” 5.56/.223 Pistol Upper Assembly
Barrel Size: 11.5"
Caliber: 5.56/.223

Original price was: $349.00.Current price is: $299.00.
-14%

MSF 12.5” Pistol 5.56/.223 Ar15 Upper Assembly
Barrel Size: 12.5"
Caliber: 5.56/.223

8 reviews
Original price was: $349.00.Current price is: $299.00.
-14%

MSF 13.9” 5.56/.223 Ar15 Pistol Upper Assembly
Barrel Size: 14.5"
Style: Pistol

Original price was: $349.00.Current price is: $299.00.
-14%

MSF 14.5” 5.56/.223 Pistol Upper Assembly
Barrel Size: 14.5"
Style: Pistol

3 reviews
Original price was: $349.00.Current price is: $299.00.
-24%

MSF 13.9” Pin/weld 5.56/.223 Ar15 Rifle Upper assembly
Caliber: 5.56/.223
Barrel Size: 13.9"

14 reviews
Original price was: $499.00.Current price is: $379.00.
-24%

MSF 13.9” Pin/weld 223 Wylde 1:7 Ar15 Rifle Upper assembly
Caliber: 5.56/.223
Style: Rifle

Original price was: $499.00.Current price is: $379.00.
-24%

MSF 14.5” Pin/weld 5.56/.223 Ar15 Rifle Upper assembly
Barrel Size: 14.5"
Caliber: 5.56/.223

10 reviews
Original price was: $499.00.Current price is: $379.00.
-16%

MSF 16″ 5.56 Nato 1/7 4150cmv Black Nitride barrel
Caliber: 5.56/.223
Barrel Size: 16"

Original price was: $165.00.Current price is: $139.00.
-13%

MSF 16” 6.5 Grendel Upper Receiver Assembly
Barrel Size: 16"
Caliber: 6.5 Grendel

Original price was: $374.00.Current price is: $324.00.
-13%

MSF 16” .350 Legend Upper Receiver Assembly
Style: Rifle
Barrel Size: 16"

2 reviews
Original price was: $399.00.Current price is: $349.00.
-13%

MSF 16” .450 Bushmaster Upper Receiver Assembly
Caliber: .450 Bushmaster
Barrel Size: 16"

Original price was: $399.00.Current price is: $349.00.
-13%

MSF 16” .458 Socom Upper Receiver Assembly
Caliber: .458 Socom
Style: Rifle

2 reviews
Original price was: $399.00.Current price is: $349.00.
-14%

MSF 16” (Pistol Gas) 300 Blackout Upper Assembly
Barrel Size: 16"
Style: Rifle

2 reviews
Original price was: $349.00.Current price is: $299.00.
-14%

MSF 16” 5.56/.223 Upper Assembly
Barrel Size: 16"
Style: Rifle

8 reviews
Original price was: $349.00.Current price is: $299.00.
-14%

MSF 16” 9mm Upper Assembly
Style: Rifle
Barrel Size: 16"

Original price was: $349.00.Current price is: $299.00.

Showing 193–240 of 359 results