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Complete Upper Receivers
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Primary Weapons Systems .223 Wylde MK1 MOD 2-M Complete Upper - 14.5" (Pinned)
$1,299.95
Add to Cart
Primary Weapons Systems .223 Wylde MK1 MOD 2 Complete Upper - 11.85"
$1,299.95
Add to Cart
Primary Weapons Systems 300 BLK MK1 MOD 2-M Complete Upper - 9.75"
$1,299.95
Add to Cart
Primary Weapons Systems .223 Wylde MK1 MOD 2-M Complete Upper - 7.75"
$1,299.95
Add to Cart
Stern Defense AR 9mm MOD4 MLOK Complete Upper - 4"
$419.27
Add to Cart
Daniel Defense M4A1 RIS II Complete Upper Receiver - 14.5" Pin/Weld - FDE
$1,499.00
Add to Cart
Rainier Arms / Rellim Arms AR-15 300BLK Take Down Upper Receiver Assembly - 8"
$1,299.99
Add to Cart
Blackout Defense Dual Taper Lock .223 Wylde Complete AR15 Upper
As low as
$1,269.99
View Details
Sons of Liberty Gun Works M4 Patrol SL 5.56 AR-15 Upper - 16"
$617.50
Add to Cart
Maxim Defense MDX 510 7.62x39 Mil-Spec Complete Upper
$1,255.50
View Details
Quarter Circle 10 Complete Side Charging AR-15 9mm PCC Upper
As low as
$701.99
View Details
Quarter Circle 10 Complete AR-15 9mm PCC Upper
As low as
$648.99
View Details
Maxim Defense MDX 508 7.62x39 Mil-Spec Complete Upper - 8.5"
$1,255.50
View Details
Maxim Defense MDX 510 5.56 NATO Mil-Spec Complete Upper - 10.3"
$1,255.50
View Details
Daniel Defense DD4 RIII Complete Upper Receiver - 16" FDE
$1,499.00
Add to Cart
VKTR Industries VK-1 5.56 NATO Piston Complete Upper Receiver Group
As low as
$1,799.00
View Details
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Shop By
Gas Block Diameter
.750"
16
item
Threaded
Yes
17
item
Thread Pitch
1/2x28 (9mm)
3
item
1/2x28 (.22 cal)
23
item
1/2x36
1
item
5/8x24 (.30 cal)
6
item
Product Type
AR-10 Complete Upper Receiver
1
item
AR-15 Complete Upper Receiver
57
item
AR-15 Upper Receiver Group
1
item
AR-9 Upper Receiver
6
item
Complete Upper
17
item
Suppressor
1
item
Model
Sig MCX
2
item
Platform
AR-10/LR308
1
item
AR-15
11
item
Sig Sauer
3
item
Is Firearms?
No
83
item
Color
Caliber
.22 ARC
1
item
.223/5.56
1
item
.223 Wylde
4
item
.45 ACP
1
item
300 Blackout
14
item
5.56X45
1
item
5.56 NATO
34
item
7.62x39
6
item
9mm
15
item
Finish
Arid
2
item
Anodize
4
item
Barrel Profile
Non-fluted
1
item
Barrel Length
4"
1
item
5"
2
item
5.5"
10
item
6"
1
item
7.5"
2
item
7.75"
1
item
7.94"
1
item
8"
3
item
8.3"
2
item
8.5"
5
item
9.5"
1
item
9.75"
1
item
10.3"
12
item
10.5"
3
item
11.5"
3
item
11.85"
2
item
13"
2
item
13.7"
2
item
13.9"
2
item
14.5"
8
item
16"
16
item
16.1"
1
item
18"
3
item
Gas System Length
Pistol
4
item
Carbine
8
item
Mid
16
item
Rifle
2
item
Mount
M-LOK
23
item
Picatinny
2
item
Price
$0.00
-
$999.99
30
item
$1,000.00
-
$1,999.99
48
item
$2,000.00
-
$2,999.99
4
item
$4,000.00
and above
1
item
Rail Length
6.0"
2
item
6.91"
1
item
7"
3
item
8"
1
item
8.5"
1
item
9.5"
4
item
9.75"
1
item
10.5"
1
item
11"
1
item
11.5"
1
item
12"
2
item
12.5"
3
item
13.5"
1
item
15"
10
item
15.25"
1
item
16"
1
item
Configuration
Mil-Spec
1
item
Option
AR-10
1
item
AR-15
5
item
9mm
1
item
MCS
2
item
Full Size
2
item
Manufacturer
Aero Precision
1
item
Angstadt Arms
2
item
Arms Republic
1
item
Blackout Defense
2
item
Bravo Company MFG (BCM)
3
item
Daniel Defense
9
item
Dead Foot Arms LLC
2
item
Faxon Firearms
2
item
Matador Arms
1
item
Maxim Defense
17
item
Next Level Armament
1
item
Noveske
6
item
Primary Weapon Systems
9
item
Q, LLC
2
item
Quarter Circle 10
3
item
R&D Precision
3
item
Rainier Arms, LLC
5
item
Rise Armament
1
item
Sharps Bros
1
item
Sig Sauer
4
item
Sionics Weapon Systems
2
item
Sons of Liberty Gun Works
1
item
Stern Defense
3
item
Tactical Edge Arms
1
item
VKTR Industries
1
item
Twist Rate
1:6
1
item
1:7
21
item
1:8
3
item
1:10
3
item
