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AR15 Upper Half
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Complete Upper Assemblies
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300BLK Upper Assembies
300BLK Upper Assembies
Manufacturer
Manufacturer
Bear Creek Arsenal (2)
CMMG Inc (2)
Daniel Defense Inc. (1)
LMT Lewis Machine & Tool (4)
Noveske (1)
Primary Weapons Systems (5)
Seekins Precision (3)
Spike's Tactical (1)
Adams Arms (9)
Aero Precision (7)
Category
Category
Drop In (1)
Free Float (15)
Price
Price
$250 - $299.99 (2)
$400 - $499.99 (4)
$500 - $599.99 (4)
$600 - $699.99 (1)
$700 - $799.99 (3)
Over $800 (21)
Length
Length
10" (1)
10.5" 300BLK (4)
10.5" 5.56 NATO (4)
10” Barrel (1)
11.5" 5.56 NATO (4)
11.85" (1)
12" 5.56 NATO LMT Piston Kit (Barrel, Enhanced BCG, H2 Buffer) (2)
12.5" (1)
12.5" 5.56 NATO Piston Barrel (1)
12.6” to 16.0” Barrel (1)
14.5" 5.56 NATO (4)
16" (1)
16" 300BLK (3)
16" 300BLK DI (1)
16" 5.56 NATO (3)
16" 5.56 NATO DI (1)
16" 6.8SPC (3)
16" 6.8SPC DI (1)
16" 6.8SPC Piston (1)
16" 6.8SPC PISTON SYSTEM WITH SEMI AUTO LMT PISTON CARRIER (1)
18" 6.8SPC (4)
20" .224 Valkyrie (4)
20" 5.56 NATO (4)
7.6” to 10” Barrel (1)
8.5" (1)
8” Barrel (2)
9.75" (2)
None (4)
Color
Color
Black (33)
FDE (2)
Weight
Weight
.0 to 3.0 lbs (1)
3.1 to 4.0 lbs (14)
5.1 to 6.0 lbs (1)
Type
Type
Add Additional One 3" MLOK Rail (1)
Add Additional Two 3" MLOK Rail (1)
Drop In (2)
Keymod (1)
Keymod Rail (1)
M-Lok (12)
Modular Rail (3)
Modular Rail Keymod (3)
Modular Rail M-LOK (9)
Quad Rail (3)
Products
(
Total Items: 35
)
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Price: Low to High
Price: High to Low
Name
Newest
Avg Review
Daniel Defense 300BLK URG V7 300 Blackout AR15 Upper No Sights
Sale
$1,019.00
On sale:
$919.95
Out of Stock.
PWS MK109 300BLK MOD 1-M Pistol Upper 9.75" Non Adjustable Gas System Triad30
Sale
$1,049.95
On sale:
$999.95
Out of Stock.
CMMG 16" 300BLK BLACKOUT Complete Upper Carbine Handguard Mk4LE
Sale
$629.95
On sale:
$569.95
Out of Stock.
CMMG 16" 300BLK BLACKOUT Revolution Keymod Free Float Handguard
Sale
$699.95
On sale:
$679.95
In Stock.
Primary Weapons Systems PWS MK116 300 Blackout Piston Upper
Sale
$1,449.95
On sale:
$1,319.45
Out of Stock.
Primary Weapons 9" 300BLK Upper PWS Keymod Rail Triad Blackout
Sale
$1,249.95
On sale:
$1,137.45
Out of Stock.
NOVESKE UPPER 10.2" CQB 300BLK NQR7" Complete AR15 Upper
Sale
$1,650.00
On sale:
$1,499.99
Out of Stock.
Spike's Tactical 300BLK 16" LW w/FSP 300 Blackout Upper
Sale
$1,099.00
On sale:
$899.95
In Stock.
Adams Arms 12.5" P series Evo Upper 300BLK AR-15 AR15 Pistol Piston
Sale
$929.00
On sale:
$879.95
Out of Stock.
Adams Arms 14.5" Tactical Evo Upper Receiver 300BLK TEVO UA-14.5-P-XLP-EVO-300BLK-JC
Sale
$888.52
On sale:
$799.95
Out of Stock.
Adams Arms UA-16-P-TEVO-300BLK 16" Tactical Evo Piston Upper Receiver 300 Blackout TEVO AR15
Sale
$929.00
On sale:
$879.95
In Stock.
Adams Arms 8.5" P Series Evo Upper 300BLK Piston Evolution AR15 Pistol
Sale
$899.00
On sale:
$869.95
In Stock.
Seekins Precision SP NOXs 10.5" 300 BLACKOUT Billet Complete Upper AR15 Pistol 300BLK
Sale
$899.00
On sale:
$859.00
Out of Stock.
Adams Arms P2 AARS 300BLK 8.5" PDW P Series Adjustable Complete AR15 Upper 8"
Sale
$999.95
On sale:
$974.95
In Stock.
Seekins Precision SP 300BLK NX8 Complete 8" Upper
Sale
$899.00
On sale:
$859.95
Out of Stock.
Adams Arms Upper P3 300BLK 12.5" AARS Adjustable Complete AR15 Piston PROOF Carbon Fiber Barrel Upper
Sale
$1,799.95
On sale:
$1,749.95
In Stock.
Bear Creek Arsenal BCA 10.5" 300BLK Complete MLOK AR15 Upper AR-15 Pistol 300 Blackout 1:8
Your Price:
$278.07
Out of Stock.
Bear Creek Arsenal BCA 16" 300BLK Complete MLOK AR15 Upper AR-15 300 Blackout 1:8
Your Price:
$299.95
Out of Stock.
Adams Arms 16" Ajustable Gas P2 Upper Receiver 300BLK 300 Blackout
Your Price:
$999.95
Out of Stock.
Aero Precision AR15 Complete Upper w/ No Forward Assist 8" .300 Blackout Barrel 7" M-LOK ATLAS R-ONE Handguard 300blk
Sale
$434.99
On sale:
$402.91
In Stock.
Adams Arms 300BLK 16" AARS P2 Series Adjustable Complete AR15 Piston Upper
Sale
$999.55
On sale:
$949.95
In Stock.
LMT MRP-L 9.25" Lewis Machine MLC M-LOK Monolithic Upper Receiver AR15 AR-15 MLOK
(1)
Sale
$949.00
On sale:
$849.95
In Stock.
Seekins Precision SP 300BLK 8" MCSR Rail Billet M-LOK Upper Complete BCG Charging Handle
Sale
$899.00
On sale:
$799.95
Out of Stock.
LMT MRP-L QUAD 9.25 Lewis Machine CQB Quad Rail Monolithic Upper Receiver AR15 AR-15
(1)
Sale
$949.00
On sale:
$848.95
In Stock.
Aero Precision AR15 Upper w/ Forward Assist 10" .300 Blackout Barrel 9" M-LOK ATLAS S-ONE Handguard Gamma Comp 300BLK
Sale
$619.99
On sale:
$543.36
In Stock.
LMT Lewis Machine MRP Rifle Length Quad Rail AR15 Monolithic Upper Receiver AR-15
Your Price:
$849.00
Out of Stock.
PWS MK111 300BLK MOD 1-P Patrol Pistol Upper 11.85" Adjustable Gas System Triad30 Primary Weapons Systems
Sale
$1,049.95
On sale:
$959.95
Out of Stock.
LMT Rifle Length MLR M-LOK Monolithic Upper Receiver AR15 AR-15 MLOK Lewis Machine
Sale
$1,049.00
On sale:
$1,039.00
Out of Stock.
PWS 9.75" 300BLK Upper PRIMARY WEAPONS - MK109 PRO RECEIVER AR15 COMPLETE 300 BLACKOUT
Your Price:
$729.95
Out of Stock.
Adams Arms 300BLK 12.5" PDW P2 Series Adjustable Complete AR15 Upper
Sale
$999.95
On sale:
$949.95
Out of Stock.
Aero Precision 16" FDE M4E1 300BLK AR15 Upper Quantum MLOK .300 Blackout M-LOK
(1)
Sale
$539.99
On sale:
$506.99
In Stock.
Aero Precision 10" M4E1 300BLK AR15 Upper 9" ATLAS R-ONE MLOK .300 Blackout M-LOK
Sale
$539.99
On sale:
$506.99
In Stock.
Aero Precision 8" M4E1 300BLK AR15 Upper Quantum MLOK .300 Blackout M-LOK
Sale
$439.99
On sale:
$424.11
In Stock.
Aero Precision 8" M4E1 Enhanced 300BLK AR15 Upper MLOK .300 Blackout M-LOK
Sale
$469.99
On sale:
$458.24
In Stock.
Aero Precision 10" M4E1 300BLK AR15 Upper Quantum MLOK .300 Blackout M-LOK
Sale
$449.99
On sale:
$438.74
In Stock.
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