Complete Upper
- You cannot add that amount of "HK 51001919 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 13"" to the cart because there is not enough stock (0 remaining).
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Out of stockComplete Upper Receivers
Fightlite Industries MCR556DFR 5.56x45mm NATO 16.25″ 7075-T6 Aluminum MIL-STD 1913 Rail Handguard
$6,599.99Out of stock. Join the waitlist to be notified when this product becomes available. -
3 left in stockComplete Upper Receivers
Fightlite Industries MCR556DFRM 5.56x45mm NATO 16.25″ 7075-T6 Aluminum M-LOK Handguard
$6,599.99 Add to cart -
Out of stockComplete Upper Receivers
Fightlite Industries MCR556DFRS 5.56x45mm NATO 12.50″ 7075-T6 Aluminum MIL-STD 1913 Rail Handguard
$6,599.99Out of stock. Join the waitlist to be notified when this product becomes available. -
Out of stockComplete Upper Receivers
Fightlite Industries RPTR-001 Raptor Belt 5.56x45mm NATO 16.50″ M-LOK Handguard
$4,799.99Out of stock. Join the waitlist to be notified when this product becomes available. -
Only 0 left in stockComplete Upper Receivers
HK 51000384 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4
$2,179.00 Add to cart -
Out of stockComplete Upper Receivers
HK 51000385 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4
$2,179.00Out of stock. Join the waitlist to be notified when this product becomes available. -
3 left in stockComplete Upper Receivers
HK 51001892 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 16″
$2,649.00 Add to cart -
Only 0 left in stock
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10 left in stock
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Out of stockComplete Upper Receivers
Radian Weapons R0024 Complete Upper 223 Wylde 14.50″ Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15
$1,994.95Out of stock. Join the waitlist to be notified when this product becomes available. -
5 left in stock
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Out of stockComplete Upper Receivers
Radian Weapons R0898 Model 1 Complete Upper 6mmARC Black Nitride Steel
$2,079.95Out of stock. Join the waitlist to be notified when this product becomes available.







