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  1. Home
  2. AR15 Parts
  3. AR15 Upper Half
  4. Complete Upper Assemblies
  5. 300BLK Upper Assembies

300BLK Upper Assembies

Products [25]

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Item In Cart Daniel Defense 300BLK URG V7 300 Blackout AR15 Upper No Sights
Daniel Defense 300BLK URG V7 300 Blackout AR15 Upper No Sights
0 Out of Stock.
(0)
$1,019.00 $919.95
View Details
Item In Cart PWS MK109 300BLK Piston MOD 1-M Pistol Upper 9.75
PWS MK109 300BLK Piston MOD 1-M Pistol Upper 9.75" Long Stroke System Triad30
0 Out of Stock.
(0)
$1,099.95 $1,029.49
Item In Cart VT-300BLK RETRO-16
VT-300BLK RETRO-16" 300BLK BLACKOUT Complete Upper Carbine Handguard
0 Out of Stock.
(1)
$629.95 $579.95
Item In Cart CMMG 16
CMMG 16" 300BLK BLACKOUT Revolution Keymod Free Float Handguard
1 In Stock.
(0)
$799.95 $674.95
View Details
Item In Cart Primary Weapons Systems PWS MK116 300 Blackout Piston Upper
Primary Weapons Systems PWS MK116 300 Blackout Piston Upper
0 Out of Stock.
(0)
$1,449.95 $1,319.45
View Details
Item In Cart Primary Weapons 9
Primary Weapons 9" 300BLK Upper PWS Keymod Rail Triad Blackout
0 Back Order.
(0)
$1,249.95 $1,137.45
View Details
Item In Cart NOVESKE UPPER 10.2
NOVESKE UPPER 10.2" CQB 300BLK NQR7" Complete AR15 Upper
0 Out of Stock.
(0)
$1,650.00 $1,499.99
View Details
Item In Cart Aero Precision AR15 Complete Upper w/ No Forward Assist 8
Aero Precision AR15 Complete Upper w/ No Forward Assist 8" .300 Blackout Barrel 7" M-LOK ATLAS R-ONE Handguard 300blk
1 In Stock.
(0)
$625.00 $524.99
View Details
Item In Cart Seekins Precision SP 300BLK 8
Seekins Precision SP 300BLK 8" MCSR Rail Billet M-LOK Upper Complete BCG Charging Handle
0 Back Order.
(1)
$999.00 $849.95
View Details
Item In Cart LMT MRP-L QUAD 9.25
LMT MRP-L QUAD 9.25" Lewis Machine CQB Quad Rail Monolithic Upper Receiver AR15 AR-15
1 In Stock.
(2)
$960.00 $869.00
View Details
Item In Cart Aero Precision AR15 Upper w/ Forward Assist 10
Aero Precision AR15 Upper w/ Forward Assist 10" .300 Blackout Barrel 9" M-LOK ATLAS S-ONE Handguard 300BLK
3 In Stock.
(0)
$615.00 $489.99
View Details
Item In Cart LMT MRP-L QUAD 13.25
LMT MRP-L QUAD 13.25" Rifle Length MLR Rail AR15 Monolithic Upper Receiver AR-15 Lewis Machine
1 In Stock.
(0)
$1,014.00 $895.00
View Details
Item In Cart LMT MRP-L MLOK 13.25
LMT MRP-L MLOK 13.25" Rifle Length MLR M-LOK Monolithic Upper Receiver AR15 AR-15 Lewis Machine
1 In Stock.
(0)
$1,014.00 $909.00
View Details
Item In Cart PWS 9.75
PWS 9.75" 300BLK Upper PRIMARY WEAPONS - MK109 PRO RECEIVER AR15 COMPLETE 300 BLACKOUT
0 Out of Stock.
(1)
$1,199.95
Item In Cart BRN180S 10.5
BRN180S 10.5" 300BLK Gen2 Piston Complete Upper Receiver by PWS & Brownells AR15 Blackout BRN-180
0 Out of Stock.
(0)
$949.99 $899.95
View Details
Item In Cart Aero Precision 10
Aero Precision 10" M4E1 300BLK AR15 Upper 9" ATLAS R-ONE MLOK .300 Blackout M-LOK
2 In Stock.
(0)
$615.00 $539.99
View Details
Item In Cart Aero Precision 8
Aero Precision 8" M4E1 Enhanced 300BLK AR15 Upper MLOK .300 Blackout M-LOK
1 In Stock.
(0)
$595.00 $524.99
View Details
Item In Cart Aero Precision 10
Aero Precision 10" M4E1 300BLK AR15 Upper Quantum MLOK .300 Blackout M-LOK
1 In Stock.
(1)
$529.99 $439.99
View Details
Item In Cart Aero Precision 10
Aero Precision 10" M4E1 300BLK AR15 Upper S-ONE MLOK Complete .300 Blackout M-LOK FDE
1 In Stock.
(0)
$655.00 $569.99
View Details
Item In Cart LMT MRP-L MLOK 11.5
LMT MRP-L MLOK 11.5" SHOVELNOSE Lewis Machine M-LOK Monolithic Upper Receiver AR15 AR-15
2 In Stock.
(0)
$1,014.00 $899.99
View Details
Item In Cart Rellim Arms AR-15 300BLK Take Down Barrel Assembly 8
Rellim Arms AR-15 300BLK Take Down Barrel Assembly 8" by Rainier AR15 .300 Blackout
2 In Stock.
(0)
$849.99 $779.95
View Details
Item In Cart Aero Precision AR15 Complete Upper with Forward Assist 16
Aero Precision AR15 Complete Upper with Forward Assist 16" .300 Blackout Barrel 15" M-LOK ATLAS S-ONE Handguard 300BLK
1 In Stock.
(0)
$660.00 $544.99
View Details
Item In Cart Aero Precision 8.3
Aero Precision 8.3" Premium 300BLK Suppressor Ready M4E1 12.7" Enhanced AR15 Upper MLOK .300 Blackout M-LOK
2 In Stock.
(0)
$635.99 $559.99
View Details
Item In Cart LMT CSW300 Clone 8.3
LMT CSW300 Clone 8.3" 300BLK Confined Space Weapon MRP Top End Lewis Machine Monolithic Upper Receiver AR15 AR-15
0 Out of Stock.
(0)
$2,399.00 $1,949.95
View Details
Item In Cart LMT MRP-L 8.25
LMT MRP-L 8.25" Lewis Machine MLC M-LOK Monolithic Upper Receiver AR15 AR-15 MLOK
0 Out of Stock.
(0)
$889.00

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