Upper Receiver Parts & Kits for Sale | AR-15 Upper Receiver Assembly — Mid State Firearms - Page 7

Showing 289–336 of 382 results

-30% Out of stock

24″ 223 Wylde 1/8 Spiral Fluted Stainless Ar-15 Upper with M-Lok rail Threaded
Barrel Size: 24"
Caliber: 5.56/.223
Original price was: $499.00.Current price is: $349.00. View Product
-25% Out of stock

16” Mid Length Diamond Fluted 223 wylde rainbow oilslick chameleon barrel
Original price was: $399.00.Current price is: $299.00. View Product
-25% Out of stock

16″ 223 Wylde 1:8 Diamond Fluted Midlength Ar15 Barrel – TiN Gold
Thread Pitch: 1/2x28
Caliber: 5.56/.223
Original price was: $399.00.Current price is: $299.00. View Product
-27% Out of stock

16” 5.56 Ultralight 2lb Ar15 Sport Upper
Caliber: 5.56/.223
Model Style: Ar-15

Rated 4.00 out of 5 based on 1 customer rating
(1)
Original price was: $299.00.Current price is: $219.00. View Product
-50% Out of stock

16” 223 Wylde Mid Length Diamond Fluted 1/7 Ar15 stainless barrel
Caliber: 5.56/.223
Barrel Size: 16"

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $399.00.Current price is: $199.00. View Product
-40% Out of stock

16” Non-threaded Ar-15 upper – 300 Blackout with MLOK Handguard
Barrel Size: 16"
Caliber: 300 BLK
Original price was: $499.00.Current price is: $299.00. View Product
-40% Out of stock

16” Non-threaded Ar-15 upper – 5.56 NATO 1/8 with MLOK Handguard

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $499.00.Current price is: $299.00. View Product
-29% Out of stock

17.1” SS 223 Wylde Ar15 Upper with 15” mlok rail – flat spiral flute
Original price was: $549.00.Current price is: $389.00. View Product
Out of stock

20″ Diamond Fluted Rainbow PVD Oilslick Chameleon Ar15 223 Wylde Barrel
$349.00 View Product
Out of stock

SOLGW NOX MUZZLE DEVICE 5.56, 1/2-28
$115.00 View Product
Out of stock

SOLGW NOX nox9 MUZZLE DEVICE 5.56, 1/2-28 9 Hole Neutral
$115.00 View Product
-67% Out of stock

24” .936 Heavy Bull Barrel for Ar15. 2 tone spiral fluted Stainless 223 wylde 1:8
Barrel Size: 16"
Caliber: 5.56/.223

Rated 4.60 out of 5 based on 5 customer ratings
(5)
Original price was: $599.00.Current price is: $199.00. View Product
-46% Out of stock

24” 223 Wylde 1:8 HBAR spiral fluted threaded Ar15 Rifle Upper
Original price was: $699.00.Current price is: $379.00. View Product
-50% Out of stock

24” 223 Wylde Bull Barrel Ar15 Upper, black spiral fluted/crowned with 15” MLok
Model Style: Ar-15
Barrel Size: 24"
Original price was: $699.00.Current price is: $349.00. View Product
Out of stock

24” 308 stainless fluted barrel
$299.00 View Product
Out of stock

2BO Double Port Ar15 Muzzle Brake Outside Threaded
Thread Pitch: 1/2x28, 5/8x24
Caliber: .308, 5.56/.223, 9mm
$34.99 View Product
-30% Out of stock

2lb Ultralight Sport Ar15 Upper – 16″ 5.56 1/7, MLOK Rail, With Microbest BCG

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $499.00.Current price is: $349.00. View Product
-40% Out of stock

Ar15 / M16 Bolt Carrier Group (MPI) – Auto – FLAT DARK EARTH-IB FDE 5.56
Original price was: $249.00.Current price is: $149.00. View Product
-18% Out of stock

Ar15 Left Handed Builder Bundle – Receiver and Nitride BCG Combo

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $279.99.Current price is: $229.99. View Product
-11% Out of stock

Ar15 Left Handed Builder Bundle – Upper Receiver and Nickel BCG Combo

Rated 5.00 out of 5 based on 7 customer ratings
(7)
Original price was: $279.99.Current price is: $249.99. View Product
Out of stock

Breek Arms 2BO-S Short Ar15 Muzzle Brake Single Port
Thread Pitch: 1/2x28, 5/8x24
Caliber: .308, 5.56/.223, 9mm
$34.99 View Product
Out of stock

Breek Arms 3FO Ar15 Flash Hider v2 3 Prong
Caliber: .308, 5.56/.223, 9mm
Thread Pitch: 1/2x28, 5/8x24
$34.99 View Product
Out of stock

Breek Arms BFO Ar15 Flash Hider Cage Style, Caged 3prong
Thread Pitch: 1/2x28, 5/8x24
Caliber: .308, 5.56/.223, 9mm
$34.99 View Product
Out of stock

Breek Arms CASTLE BLAST SHIELD Concussion Device

Rated 5.00 out of 5 based on 1 customer rating
(1)
$32.99 View Product
-32% Out of stock

Combo Deal: Microbest M16 Full Chrome Bolt Carrier Group – MPI , HPT , OCKS, Sprinco + BCMGUNFIGHTER Charging Handle

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $249.00.Current price is: $169.00. View Product
-19% Out of stock

Combo deal! Criterion 14.5” Core Chrome lined Ar15 barrel and Microbest Full Chrome M16 BCG
Original price was: $529.00.Current price is: $429.00. View Product
-19% Out of stock

Combo deal! Criterion 16” Core Chrome lined Ar15 barrel and Microbest Full Chrome M16 BCG
Original price was: $529.00.Current price is: $429.00. View Product
-37% Out of stock

MSF x Breek Arms 14.5″ Pin & Weld Ar15 Upper – Ambi Charging Handle, MLok Rugged Rail
Model Style: Ar-15
Barrel Size: 14.5"
Original price was: $795.00.Current price is: $499.00. View Product
-37% Out of stock

MSF x Breek Arms 16″ 5.56 Ar15 Upper – Ambi Charging Handle, MLok Rugged Rail, Brake
Thread Pitch: 1/2x28
Caliber: 5.56/.223
Original price was: $795.00.Current price is: $499.00. View Product
Out of stock

Oilslick chameleon rainbow pvd standard charging handle with black latch
$89.00 View Product
-30% Out of stock

Radian Raptor Ambidextrous Ar15 / M16 Charging handle – Blem
Original price was: $99.00.Current price is: $69.00. View Product
-8% Out of stock

Radian RAPTOR SD-SL AMBIDEXTROUS Ar-15 CHARGING HANDLE
Original price was: $124.95.Current price is: $115.00. View Product
-45% Out of stock

‘Superman’ Blue BCG & Red ext Charging Handle
Original price was: $329.42.Current price is: $179.82. View Product
-64% Out of stock

*blem* Blue Stars American Flag PVD Ar15 Bolt Carrier Group BCG
Original price was: $329.42.Current price is: $119.50. View Product
-27% Out of stock

1/2-36 A2 Flash Hider – 1/2-36 for some 9mm, 6.8, etc Threads
Thread Pitch: 1/2x36
Original price was: $29.11.Current price is: $21.16. View Product
-46% Out of stock

10.5″ .300 AAC Blackout 1:8 Ar15 Barrel
Caliber: 300 BLK
Barrel Size: 10.5"
Original price was: $236.82.Current price is: $129.00. View Product
-37% Out of stock

10″ Gen3 Slim Free Float Handguard / Rail
Rail Length: 10"

Rated 5 out of 5 based on 3 customer ratings
(3)
Original price was: $157.44.Current price is: $99.00. View Product
-36% Out of stock

14.5″ 5.56/.223 Wylde 1:8 Ar15 Barrel with .749″ Welded Brake
Caliber: 5.56/.223
Barrel Size: 14.5"

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $289.74.Current price is: $185.21. View Product
Out of stock

14.7 CHF Oilslick Ar15 Barrel 5.56 Nato 1:7
Caliber: 5.56/.223
Barrel Size: 14.5"
$329.42 View Product
-29% Out of stock

15″ Gen1 Free Float Quad Rail
Rail Length: 15"

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $138.90.Current price is: $99.00. View Product
-38% Out of stock

16″ .223 Wylde 1:9 Stainless Diamond Fluted Ar15 Barrel
Caliber: 5.56/.223
Barrel Size: 16"
Original price was: $382.34.Current price is: $236.82. View Product
-50% Out of stock

16″ 223 Wylde 1:8 416r Stainless m4 Threaded AR15 Barrel
Barrel Size: 16"
Caliber: 5.56/.223
Original price was: $316.20.Current price is: $157.44. View Product
-42% Out of stock

16″ 5.56 NATO 1:8 4150 m4 Ar15 Barrel
Barrel Size: 16"
Caliber: 5.56/.223

Rated 5 out of 5 based on 2 customer ratings
(2)
Original price was: $223.58.Current price is: $129.00. View Product
-41% Out of stock

16″ 6.5 Grendel 4150 m4 Ar15 Barrel
Caliber: 5.56/.223
Barrel Size: 16"
Original price was: $304.22.Current price is: $179.20. View Product
-47% Out of stock

16″ 7.62 x 39 Melonite Ar15 Barrel

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $197.12.Current price is: $104.52. View Product
-46% Out of stock

16″ 9mm 1:10 4150 Ar15 Lightweight Contour Barrel
Caliber: 9mm
Barrel Size: 16"
Original price was: $236.82.Current price is: $129.00. View Product
-50% Out of stock

16″ Cold Hammer Forged CHF 5.56 Nato 1:7 MidLength Ar15 Barrel
Caliber: 5.56/.223
Barrel Size: 16"

Rated 1 out of 5 based on 1 customer rating
(1)
Original price was: $395.58.Current price is: $196.24. View Product
-20% Out of stock

16″ Gold 223 Wylde 1:8 Ar15 TiN / Titanium Nitride HBAR barrel
Barrel Size: 16"
Caliber: 5.56/.223
Original price was: $249.00.Current price is: $199.00. View Product

Showing 289–336 of 382 results