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Complete Upper Receivers
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Stern Defense AR 9mm MOD5 MLOK Complete Upper - 10.5"
$539.99
Add to Cart
Tactical Edge Arms 5.56 Midlength Complete Upper w/ WSR12 Rail - 14.5"
$929.99
$699.99
Add to Cart
Primary Weapons Systems MK111 MOD 1-M .223 Wylde Complete Upper - 11.85"
$1,029.49
Add to Cart
Maxim Defense MDX 510 300BLK Mil-Spec Complete Upper - 10.3" Urban Grey
$1,255.50
Add to Cart
Daniel Defense DD4 RIII Complete Upper Receiver - 16" FDE
$1,455.00
Add to Cart
Rainier Arms / Rellim Arms AR-15 Take Down Upper Receiver Assembly Combo
$1,499.99
Add to Cart
SIG SAUER MCX Rattler 5.56 NATO Complete Upper - 5.5"
$1,999.99
$1,824.99
Add to Cart
R&D Precision 9mm PW9 Bufferless Upper Kit – V1
$579.95
Add to Cart
Rainier Arms / Rellim Arms AR-15 .223 Wylde Take Down Upper Receiver Assembly - 8.5"
$1,199.99
Add to Cart
Daniel Defense MK18 5.56 NATO Complete Upper Receiver - 10.3" FDE
$1,371.00
Add to Cart
Maxim Defense MDX 505 PDX Mil-Spec Complete Upper - 5.5" Arid
As low as
$1,165.50
View Details
Quarter Circle 10 Complete AR-15 9mm PCC Upper - 5.5"
$864.95
$648.99
Add to Cart
Daniel Defense MK18 5.56 NATO Complete Upper Receiver - 10.3" Black
$1,371.00
Add to Cart
Primary Weapons Systems .223 Wylde MK1 MOD 2 Complete Upper - 16.1"
$1,299.95
Add to Cart
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
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Gas Block Diameter
.750"
12
item
Threaded
Yes
14
item
Thread Pitch
1/2x28
23
item
1/2x36
1
item
5/8x24
6
item
Product Type
AR-10 Complete Upper Receiver
1
item
AR-15 Complete Upper Receiver
52
item
AR-9 Upper Receiver
5
item
Complete Upper
17
item
Model
Sig MCX
2
item
Platform
AR-10
1
item
AR-15
5
item
Sig Sauer
2
item
Color
Caliber
.223/5.56
1
item
.223 Wylde
5
item
.45 ACP
1
item
300 Blackout
14
item
5.56 NATO
26
item
5.56mm
1
item
7.62x39
6
item
9mm
14
item
Finish
Arid
2
item
Anodize
4
item
Barrel Profile
Non-fluted
1
item
Barrel Length
4"
1
item
5"
1
item
5.5"
10
item
6"
1
item
7.5"
2
item
7.75"
1
item
7.94"
1
item
8"
2
item
8.3"
2
item
8.5"
4
item
9.5"
1
item
9.75"
1
item
10.3"
8
item
10.5"
4
item
11.5"
2
item
11.85"
2
item
13"
2
item
13.7"
1
item
13.9"
3
item
14.5"
6
item
16"
16
item
16.1"
1
item
18"
2
item
Gas Length
Pistol
4
item
Carbine
6
item
Mid
13
item
Intermediate
1
item
Mount
M-LOK
14
item
Picatinny
2
item
Price
$0.00
-
$999.99
27
item
$1,000.00
and above
48
item
Rail Length
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)
1
item
Daniel Defense
7
item
Dead Foot Arms LLC
2
item
Faxon Firearms
2
item
Foxtrot Mike
2
item
Matador Arms
1
item
Maxim Defense
13
item
Noveske
8
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
Sharps Bros
1
item
Sig Sauer
3
item
Sionics Weapon Systems
2
item
Stern Defense
3
item
Tactical Edge Arms
1
item
VKTR Industries
1
item
Twist Rate
1:6
1
item
1:7
14
item
1:8
4
item
1:10
3
item