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Complete Upper Receivers
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Sig Sauer MCX Spear - LT 7.62X39 Complete Upper 11.5"
$1,999.99
Add to Cart
Q LLC Sugar Weasel Upper 5.56 NATO 13"
$1,125.00
Add to Cart
Q LLC Sugar Weasel Upper 300BLK 13"
$1,125.00
Add to Cart
Maxim Defense SDX 510 5.56 NATO Integrally Suppressed Upper - 10.3" Black
$2,155.50
Add to Cart
Bravo Company MFG (BCM) MK2 Standard Complete Upper W/RAIDER-M13 Handguard
As low as
$786.39
View Details
Sig Sauer MCX-SURG 5.56 NATO Suppressed Upper Receiver Group Upgrade Kit - 11.5"
$4,299.99
Add to Cart
Bravo Company MFG (BCM) MK2 AR-15 5.56 NATO Complete Upper Receiver Group - 18"
$855.99
Add to Cart
Maxim Defense SDX 510 5.56 NATO Integrally Suppressed Upper - 10.3" Arid
$2,155.50
Add to Cart
Maxim Defense SDX 510 5.56 NATO Integrally Suppressed Upper - 10.3" Urban
$2,155.00
Add to Cart
Sons of Liberty Gun Works M4 Patrol SL 5.56 AR-15 Upper - 16"
$617.50
Add to Cart
Noveske GEN 3 300BLK NSR 9 M-LOK - 10.5 CQB
$1,306.25
Out of stock
Noveske AR-15 Gen 3 5.56MM NSR-15 M-LOK Upper - 18" SPR
$1,520.00
Out of stock
Daniel Defense MK18 5.56 NATO Complete Upper Receiver - 10.3" Black
$1,412.00
Out of stock
Primary Weapons Systems 300 BLK MK1 MOD 2-M Complete Upper - 9.75"
$1,299.95
Out of stock
Stern Defense AR 9mm MOD4 MLOK Complete Upper - 4"
$419.27
Out of stock
SIG SAUER MCX Rattler 300BLK Complete Upper - 5.5"
$1,999.99
$1,759.99
Out of stock
Items
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48
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82
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Is Firearms?
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Remove This Item
Gas Block Diameter
.750"
14
item
Threaded
Yes
15
item
Thread Pitch
1/2x28
25
item
1/2x36
1
item
5/8x24
6
item
Product Type
AR-10 Complete Upper Receiver
1
item
AR-15 Complete Upper Receiver
56
item
AR-15 Upper Receiver Group
1
item
AR-9 Upper Receiver
5
item
Complete Upper
18
item
Suppressor
1
item
Model
Sig MCX
2
item
Platform
AR-10
1
item
AR-15
9
item
Sig Sauer
3
item
Color
Caliber
.223/5.56
1
item
.223 Wylde
5
item
.45 ACP
1
item
300 Blackout
14
item
5.56X45
1
item
5.56 NATO
32
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"
11
item
10.5"
4
item
11.5"
3
item
11.85"
2
item
13"
2
item
13.7"
1
item
13.9"
3
item
14.5"
7
item
16"
18
item
16.1"
1
item
18"
3
item
Gas Length
Pistol
4
item
Carbine
6
item
Mid
15
item
Intermediate
1
item
Rifle
1
item
Mount
M-LOK
18
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
3
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"
3
item
10.5"
1
item
11"
1
item
11.5"
1
item
12"
2
item
12.5"
3
item
13.5"
1
item
15"
9
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
7
item
Dead Foot Arms LLC
2
item
Faxon Firearms
2
item
Foxtrot Mike
2
item
Matador Arms
1
item
Maxim Defense
16
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
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
16
item
1:8
5
item
1:10
3
item
Clear All