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Upper Receivers & Parts

Home / Shop / AR15/AR10 / Upper Receivers & Parts / Page 2

Showing 49–96 of 368 results

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Aluminum 2 piece drop in mlok rail with picatinny top, carbine

$99.00 View Product
-34%

Ar15 / M16 / M4 DLC MPI Bolt Assembly

Original price was: $89.00.Current price is: $59.00. View Product
-66%

Ar15 / M16 / M4 DLC Stripped MPI Bolt

5 reviews
Original price was: $59.00.Current price is: $19.99. View Product
Ar15 / m16 Gas Key and OCKS gas key screws combo – reliability upgrade kit

2 reviews
$14.99 View Product
-18%

Ar15 Left Handed Builder Bundle – Receiver and Nitride BCG Combo

1 review
Original price was: $279.99.Current price is: $229.99. View Product
-11%

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

7 reviews
Original price was: $279.99.Current price is: $249.99. View Product
-42%

ARCA MLOK Rail Mount Plate, Bipod Tripod Dovetail Adapter, M-Lok slots

Original price was: $119.00.Current price is: $69.00. View Product
-9%

Arisaka Finger STop FS-M For MLOK Handguards

Original price was: $33.00.Current price is: $29.99. View Product
-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
-37%

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

3 reviews
Original price was: $249.00.Current price is: $157.00. View Product
-39%

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

1 review
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 2BO-S Short Ar15 Muzzle Brake Single Port
Thread Pitch: 1/2x28, 5/8x24
Caliber: .308, 5.56/.223, 9mm

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

$34.99 View Product
Breek Arms CASTLE BLAST SHIELD Concussion Device

1 review
$32.99 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

4 reviews
Original price was: $49.99.Current price is: $45.00. View Product
-10%

Breek Arms WARHAMMER Ambidextrous AR15 Charging Handle – FDE / Tan

2 reviews
Original price was: $49.99.Current price is: $45.00. View Product
-10%

Breek Arms WARHAMMER Ambidextrous AR15 Charging Handle – Gray

1 review
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
-25%

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

2 reviews
Original price was: $529.00.Current price is: $399.00. 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

1 review
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"

18 reviews
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"

60 reviews
Original price was: $299.00.Current price is: $199.00. View Product
-33%

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

4 reviews
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

1 review
$9.99 View Product
HBAR Laser Engraving / Laser Engrave HBAR on barrel

$1.00 View Product
-5%

Magpul® Enhanced Ejection Port Dust Cover – FDE / Tan

Original price was: $14.95.Current price is: $14.20. View Product
-34%

Microbest Full Chrome M16 Bolt Carrier only

2 reviews
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

4 reviews
Original price was: $179.00.Current price is: $149.00. View Product
-39%

Microbest m16 Phosphate / CL HPT / MPI Bolt Carrier Group BCG, Sprinco, OCKS, oring
Caliber: 5.56/.223, 300 BLK

4 reviews
Original price was: $179.00.Current price is: $109.00. View Product
-39%

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

6 reviews
Original price was: $179.00.Current price is: $109.00. View Product
Microbest MPI Phosphate Bolt Face Assembly c158

$69.99 View Product
-50%

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

1 review
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
Caliber: .308
Thread Pitch: 5/8x24

1 review
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
Thread Pitch: 1/2x28
Barrel Size: 16"

2 reviews
Original price was: $279.00.Current price is: $199.00. View Product
MSF Ar-15 / M16 / m4 / Ar10 / 308 Stainless Steel Forward Assist

1 review
$19.99 View Product
-37%

MSF x Breek Arms 14.5″ Pin & Weld Ar15 Upper – Ambi Charging Handle, MLok Rugged Rail
Rail Length: 13
Barrel Size: 14.5"

Original price was: $795.00.Current price is: $499.00. View Product

Showing 49–96 of 368 results

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Price

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categories

Accessories & Gear
AR15/AR10
Blemished Parts
Bulk AR Parts
FFL Items
Handgun Parts
Lights & Optics
On Sale
PVD/TiN Parts
Uncategorized

Caliber

.308 (14)
6.8 SPC II (1)
5.56/.223 (101)
300 BLK (22)
7.62x39 (5)
9mm (23)
6.5 Grendel (2)
.450 Bushmaster (8)
.458 Socom (8)
.350 Legend (4)
.224 Valkyrie (3)
6.5 Creedmoor (2)
12.7x42 (2)

Barrel Length

3" (5)
5" (7)
7" (2)
7.5" (7)
8.5" (4)
10" (2)
10.5" (13)
11.5" (2)
12.5" (2)
13.9" (4)
14.5" (7)
16" (49)
18" (16)
20" (6)
22" (2)
24" (13)

Rail Length

13 (2)
4" (3)
7" (5)
10" (5)
12" (5)
15" (7)

Compatible With

Ar-15 (16)
AR10 / LR-308 (2)
M4 (3)

Thread Pitch

1/2x28 (36)
1/2x36 (2)
49/64x20 (1)
5/8x24 (15)
5/8x32 (2)

Stock status

In stock
Out of stock
On backorder

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