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Browse Maxim Defense Gun Parts for sale at the lowest prices online.

Upper Receivers

Complete Uppers

Compensators & Muzzle Brakes

5mm Remington Rimfire Magnum

.22 Long Rifle (LR)

Maxim Defense PDX AR-15 Upper Receiver Assembly 7.62x39mm 5.5" Barrel Black - Maxim Defense

Maxim Defense PDX AR-15 Upper Receiver Assembly 7.62x39mm 5.5" Barrel Black

$1,295.00 $1,165.50

Maxim Defense MDX 510 AR-15 Upper Receiver Assembly 300 AAC Blackout 10.3" Barrel Arid - Maxim Defense

Maxim Defense MDX 510 AR-15 Upper Receiver Assembly 300 AAC Blackout 10.3" Barrel Arid

$1,395.00 $1,255.50

Maxim Defense PDX AR-15 Upper Receiver Assembly 7.62x39mm 5.5" Barrel Arid - Maxim Defense

Maxim Defense PDX AR-15 Upper Receiver Assembly 7.62x39mm 5.5" Barrel Arid

$1,295.00 $1,040.44

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 5.56x45mm 8.5" Barrel Black - Maxim Defense

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 5.56x45mm 8.5" Barrel Black

$1,395.00 $1,255.50

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 5.56x45mm 8.5" Barrel Arid - Maxim Defense

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 5.56x45mm 8.5" Barrel Arid

$1,395.00 $1,255.50

Maxim Defense AR-15 SCW Buffer and Spring H1 4oz - Maxim Defense

Maxim Defense AR-15 SCW Buffer and Spring H1 4oz

Maxim Defense MDX 510 AR-15 Upper Receiver Assembly 5.56x45mm 10.3" Barrel Arid - Maxim Defense

Maxim Defense MDX 510 AR-15 Upper Receiver Assembly 5.56x45mm 10.3" Barrel Arid

$1,395.00 $1,129.95

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 7.62x39mm 8.5" Barrel Black - Maxim Defense

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 7.62x39mm 8.5" Barrel Black

$1,395.00 $1,255.50

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 300 AAC Blackout 8.5" Barrel Black - Maxim Defense

Maxim Defense MDX 508 AR-15 Upper Receiver Assembly 300 AAC Blackout 8.5" Barrel Black

$1,395.00 $1,255.50

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