Upper Receiver Parts & Kits for Sale | AR-15 Upper Receiver Assembly — Mid State Firearms - Page 2

Showing 49–96 of 384 results

-9%

Arisaka Indexer IDX-M For MLOK Handguards
Original price was: $33.00.Current price is: $29.99. View Product
Black Micro WARHAMMER Mod2 AR-15 Charging Handle – Breek Arms
View Product
-21%

Blem 5″ Ar9 Threaded Ar15 Pistol MLok Upper
Model Style: Ar-15
Rail Length: 4"

Rated 4.33 out of 5 based on 3 customer ratings
(3)
Original price was: $249.00.Current price is: $197.00. View Product
-39%

Bolt Only – Microbest m16 Full Chrome HPT / MPI Bolt Face Assembly, Sprinco
Caliber: 5.56/.223, 300 BLK

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $129.00.Current price is: $79.00. View Product
-39%

Bolt Only – Microbest m16 Full Chrome HPT / MPI Bolt Face Assembly, Sprinco, blem
Caliber: 5.56/.223, 300 BLK
Original price was: $129.00.Current price is: $79.00. View Product
Breek Arms 3FO-S Ar15 Flash Hider Short
Caliber: .308, 5.56/.223, 9mm
Thread Pitch: 1/2x28, 1/2x36, 5/8x24
$34.99 View Product
Breek Arms SLEDGEHAMMER Gas Blocking Ar15 Charging Handle – Black
$79.99 View Product
Breek Arms SLEDGEHAMMER Gas Blocking Ar15 Charging Handle – FDE
$79.99 View Product
Breek Arms SLEDGEHAMMER Gas Blocking Ar15 Charging Handle – Grey
$79.99 View Product
-10%

Breek Arms WARHAMMER Ambidextrous Ar15 Charging Handle – Black

Rated 4.00 out of 5 based on 4 customer ratings
(4)
Original price was: $49.99.Current price is: $45.00. View Product
-10%

Breek Arms WARHAMMER Ambidextrous AR15 Charging Handle – FDE / Tan

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $49.99.Current price is: $45.00. View Product
-10%

Breek Arms WARHAMMER Ambidextrous AR15 Charging Handle – Gray

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $49.99.Current price is: $45.00. View Product
-10%

Breek Arms WARHAMMER Ambidextrous AR15 Charging Handle – OD Green
Original price was: $49.99.Current price is: $45.00. View Product
-19%

Combo deal! Criterion 13.9” Core Chrome lined Ar15 barrel and Microbest Full Chrome M16 BCG

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $529.00.Current price is: $429.00. View Product
Dead Air KeyMo Muzzle Brake 1/2-28 223 / 556 Ar15
Thread Pitch: 1/2x28
$89.00 View Product
-26%

Double Upper Combo! 5.56/.223 & .300 Blackout

Rated 4.00 out of 5 based on 1 customer rating
(1)
Original price was: $799.99.Current price is: $589.99. View Product
-33%

Grab Bag / Clearance / Blem Ar15 PISTOL Upper w/ Free Float Handguard
Caliber: 5.56/.223
Barrel Size: 7.5"

Rated 4.89 out of 5 based on 18 customer ratings
(18)
Original price was: $299.00.Current price is: $199.00. View Product
-33%

300 Blackout 16″ Grab Bag / Blem Ar15 RIFLE Upper w/ Free Float Handguard
Caliber: 300 BLK
Barrel Size: 16"
Original price was: $299.00.Current price is: $199.00. View Product
-33%

Grab Bag / Clearance / Blem Ar15 RIFLE Upper w/ Free Float Handguard
Caliber: 5.56/.223
Barrel Size: 16"

Rated 4.85 out of 5 based on 60 customer ratings
(60)
Original price was: $299.00.Current price is: $199.00. View Product
-33%

Grab Bag/Clearance AR15 9MM Pistol Upper Receiver Assembly
Style: Pistol
Barrel Size: 3", 5", 7", 7.5", 8.5", 10", 10.5"

Rated 4.67 out of 5 based on 3 customer ratings
(3)
Original price was: $299.00.Current price is: $199.00. View Product
Gray Micro WARHAMMER Mod2 AR-15 Charging Handle – Breek Arms
View Product
Hawk Tuah! Engraved meme ar15 dust cover

Rated 5.00 out of 5 based on 1 customer rating
(1)
$9.99 View Product
HBAR Laser Engraving / Laser Engrave HBAR on barrel
$1.00 View Product
-34%

Microbest Full Chrome M16 Bolt Carrier only

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $119.00.Current price is: $79.00. View Product
-17%

Microbest m16 Full Chrome HPT / MPI Bolt Carrier Group BCG, Sprinco, OCKS,
Caliber: 5.56/.223, 300 BLK
Original price was: $179.00.Current price is: $149.00. View Product
-25%

Microbest m16 Full Chrome HPT / MPI Bolt Carrier Group BCG, Sprinco, OCKS, oring
Caliber: 5.56/.223, 300 BLK
Original price was: $199.00.Current price is: $149.00. View Product
-17%

Microbest m16 Full Chrome HPT / MPI Bolt Carrier Group BCG, Sprinco, oring
Caliber: 5.56/.223, 300 BLK

Rated 5.00 out of 5 based on 4 customer ratings
(4)
Original price was: $179.00.Current price is: $149.00. View Product
-50%

MSF 13.9″ 5.56 / 223 GOV PROFILE MIDLENGTH Nitride AR 15 BARREL
Caliber: 5.56/.223
Barrel Size: 24"

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $199.00.Current price is: $99.00. View Product
-50%

MSF 13.9” 223 Wylde 1/7 Ar15 Barrel – 4150 CrMoV Nitride
Barrel Size: 13.9"
Caliber: 5.56/.223
Original price was: $199.00.Current price is: $99.00. View Product
-56%

MSF 16″ Ar10 / DPMS LR 308 Pattern Upper Receiver with 15″ MLOK
Rail Length: 15"
Thread Pitch: 5/8x24

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $899.00.Current price is: $399.00. View Product
-29%

MSF 16″ Diamond Fluted Mid Length Ar15 Barrel, .223 Wylde 1:7 2-Tone
Barrel Size: 16"
Caliber: 5.56/.223

Rated 5.00 out of 5 based on 2 customer ratings
(2)
Original price was: $279.00.Current price is: $199.00. View Product
MSF Ar-15 / M16 / m4 / Ar10 / 308 Stainless Steel Forward Assist

Rated 5.00 out of 5 based on 1 customer rating
(1)
$19.99 View Product
OD Green Micro WARHAMMER Mod2 AR-15 Charging Handle – Breek Arms
View Product
-14%

Oilslick / Chameleon MSF x Breek Warhammer Ar15 Ambi Charging Handle

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $79.99.Current price is: $69.00. View Product
-10%

Radian Raptor Ambidextrous Ar15 / M16 Charging handle – Black

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $99.00.Current price is: $89.00. View Product
SilencerCo ASR Flash Hider, 1/2-28 556 / 223
$94.00 View Product
SilencerCo ASR Muzzle Brake 1/2-28 5.56 / 223
Model Style: M4
$94.00 View Product
-12%

SureFire BC Warcomp QD Flash Hider 223 Cal (5.56mm) 1/2″-28 tpi, Closed Tine 3-Prong
Model Style: Ar-15, M4
Caliber: 5.56/.223
Original price was: $169.00.Current price is: $149.00. View Product
-10%

Surefire WARCOMP Flash Hider / Suppressor Adapter – 3 Prong 1/2-28
Model Style: M4

Rated 5.00 out of 5 based on 1 customer rating
(1)
Original price was: $169.00.Current price is: $152.00. View Product
T-25 Drive ODS Ar-15 Gas Key Screws, set of 2
$4.99 View Product
Tan / FDE Micro WARHAMMER Mod2 AR-15 Charging Handle – Breek Arms
View Product
-46%

.224 Valkyrie / 6.8 SPC II Bolt Carrier Group (BCG) AR15
Original price was: $257.44.Current price is: $139.00. View Product
-36%

.223/5.56 3n1 Hybrid blash shield / Muzzle Brake combo 1/2×28 , 13/16-16 ext thread
Thread Pitch: 1/2x28
Original price was: $92.59.Current price is: $59.37. View Product
-36%

.308 3n1 Hybrid blast shield / Muzzle Brake combo 5/8-24 30 cal, 13/16-16 ext thread
Caliber: .308

Rated 5 out of 5 based on 1 customer rating
(1)
Original price was: $92.59.Current price is: $59.37. View Product
-45%

.750 Steel Low Profile Nitride Ar15 Gas Block – Super Nice!

Rated 5.00 out of 5 based on 5 customer ratings
(5)
Original price was: $29.11.Current price is: $15.99. View Product
-33%

.875 Steel Low Profile Gas Block

Rated 5 out of 5 based on 1 customer rating
(1)
Original price was: $59.53.Current price is: $39.67. View Product
-33%

.936 Steel Low Profile Gas Block
Original price was: $59.53.Current price is: $39.67. View Product
-46%

*blem* Mil Spec Ar15 Stripped Upper Receiver – a3/a4 Flat Top
Original price was: $100.01.Current price is: $54.00. View Product

Showing 49–96 of 384 results