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Rainier Arms RUC 5.56 NATO DI Complete Upper - 16"
$830.00
$664.00
Add to Cart
Daniel Defense M4A1 RIS II Complete Upper Receiver - 14.5" Pin/Weld - FDE
$1,499.00
Add to Cart
Daniel Defense DD4 RIII Complete Upper Receiver - 16" FDE
$1,499.00
Add to Cart
Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 14.5" FDE
$600.00
Add to Cart
Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 10.5"
As low as
$550.00
View Details
Rainier Arms RUC PRO MK1 5.56 NATO Partial Upper Receiver - 12.5"
As low as
$600.00
View Details
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
Rainier Arms RUC Pro MK2 5.56 NATO Partial Upper Receiver
As low as
$650.00
View Details
Rainier Arms / Rellim Arms AR-15 300BLK Take Down Barrel Assembly - 8"
$599.99
Add to Cart
Maxim Defense MDX 510 7.62x39 Mil-Spec Complete Upper
As low as
$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"
As low as
$1,255.50
View Details
Woox Exactus Stock Remington 700 M5 Short Action DBM (AICS)
As low as
$649.00
View Details
Maxim Defense MDX 510 5.56 NATO Mil-Spec Complete Upper - 10.3"
As low as
$1,255.50
View Details
Items
49
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64
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155
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Category
Stripped Lower Receivers
2
item
Complete Lowers
3
item
Stripped Upper Receivers
1
item
Complete Upper Receivers
75
item
Partial Upper Receivers
48
item
Receiver Sets
16
item
Chassis
10
item
Gas Block Diameter
.750"
28
item
Threaded
Yes
27
item
No
1
item
Thread Pitch
1/2x28
40
item
1/2x36
1
item
5/8x24
8
item
Inside Diameter
1.3"
1
item
Product Type
AR-10 Complete Upper Receiver
1
item
AR-10 Partial Upper Receiver
3
item
AR-10 Receiver Set
4
item
AR-10 Stripped Lower Receiver
1
item
AR-15 Complete Lower Receiver
3
item
AR-15 Complete Upper Receiver
53
item
AR-15 Partial Upper Receiver
41
item
AR-15 Handguard
1
item
AR-15 Receiver Set
11
item
AR-15 Stripped Lower Receiver
1
item
AR-15 Stripped Upper Receiver
1
item
AR-15 Upper Receiver Group
1
item
AR-9 Partial Upper Receiver
1
item
AR-9 Receiver Set
1
item
AR-9 Upper Receiver
5
item
Chassis
10
item
Complete Upper
16
item
Suppressor
1
item
Model
Sig MCX
2
item
Platform
AR-9
1
item
AR-10
3
item
AR-15
32
item
Ruger
1
item
Sig Sauer
3
item
Optic Footprint
Aimpoint Acro
1
item
Color
Caliber
.22 LR
1
item
.223/5.56
2
item
.223 Wylde
7
item
.45 ACP
2
item
300 Blackout
18
item
5.56X45
5
item
5.56 NATO
52
item
5.56mm
1
item
7.62x39
6
item
9mm
18
item
Finish
Arid
2
item
Anodize
6
item
Clear Hard Anodize
1
item
Quench Polish Quench (QPQ)
1
item
Barrel Profile
Non-fluted
1
item
MK12 SPR
1
item
Barrel Length
5"
1
item
5.5"
13
item
6"
1
item
7"
1
item
7.5"
7
item
7.75"
1
item
7.94"
1
item
8"
3
item
8.3"
2
item
8.5"
5
item
8.75"
1
item
9"
3
item
9.5"
1
item
9.75"
1
item
10.3"
11
item
10.5"
10
item
11.5"
9
item
11.85"
2
item
12"
1
item
12.5"
3
item
13"
3
item
13.7"
3
item
13.9"
3
item
14.5"
13
item
16"
25
item
16.1"
1
item
18"
5
item
Gas Length
Pistol
5
item
Carbine
11
item
Mid
26
item
Intermediate
1
item
Rifle
1
item
Mount
M-LOK
31
item
Picatinny
3
item
Price
$0.00
-
$999.99
99
item
$1,000.00
-
$1,999.99
51
item
$2,000.00
-
$2,999.99
4
item
$4,000.00
and above
1
item
Rail Length
5"
1
item
6.0"
2
item
6.91"
1
item
7"
5
item
7.25"
1
item
8"
3
item
8.5"
1
item
9.25"
1
item
9.5"
5
item
9.55"
4
item
10"
2
item
10.5"
2
item
10.7"
2
item
11"
1
item
11.5"
2
item
11.7"
2
item
11.75"
1
item
12"
2
item
12.5"
4
item
12.75"
1
item
13"
3
item
13.25"
1
item
13.5"
1
item
13.7"
2
item
15"
12
item
15.25"
1
item
15.3"
1
item
16"
1
item
Configuration
Mil-Spec
1
item
Option
AR-9
1
item
AR-10
2
item
AR-15
8
item
Remington 700 Short Action
2
item
Glock
1
item
MCS
2
item
Full Size
2
item
Manufacturer
A3 Tactical
2
item
Aero Precision
2
item
Angstadt Arms
1
item
Brügger & Thomet (B&T)
1
item
Blackout Defense
2
item
Bravo Company MFG (BCM)
18
item
Daniel Defense
7
item
Dead Foot Arms LLC
2
item
Faxon Firearms
1
item
Foxtrot Mike
2
item
Grey Birch MFG
1
item
JP Enterprises Inc
1
item
Lewis Machine & Tool (LMT)
11
item
Magpul Industries
2
item
Matador Arms
1
item
Maxim Defense
16
item
MCM Firearms
1
item
NEMO Arms
1
item
Noveske
6
item
Patriot Ordnance Factory (POF)
1
item
Primary Weapon Systems
10
item
Q, LLC
2
item
Quarter Circle 10
8
item
R&D Precision
3
item
Radian Weapons
1
item
Rainier Arms, LLC
17
item
RogueOps
1
item
Sharps Bros
1
item
Sig Sauer
4
item
Sionics Weapon Systems
2
item
SLR Rifleworks
2
item
Sons of Liberty Gun Works
13
item
Stern Defense
2
item
Tactical Edge Arms
1
item
V Seven Weapon Systems
4
item
VKTR Industries
1
item
WOOX
4
item
Twist Rate
1:6
1
item
1:7
35
item
1:8
5
item
1:10
2
item
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