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MARS™ Rifles
Defender Rifles
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Uppers
Upper Parts
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Lower Receivers
Lower Receiver Parts
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Firearms
MARS™ Rifles
Defender Rifles
Standard Patrol Models
Grenade Launchers
Parts + Gear
Uppers
Upper Parts
Barrels
Lower Receivers
Lower Receiver Parts
Triggers & Selectors
Buttstocks
Bolts & Bolt Carrier Groups
Bolt & Carrier Parts
Sights
Charging Handles
Accessories
Grenade Launcher Accessories
Gear
Magazines
Sales
Merch
News
FAQ
Lower Receiver Parts
Lower Parts Type
Lower Parts Type
MARS™ Specific Parts (5)
Filter
Endplate
$
3.50
Add to cart
L7A2E
$
14.00
Add to cart
5.56 Extension Tube
$
49.00
Add to cart
.308 Extension Tube
$
59.00
Add to cart
5.56 Action Spring
$
7.00
Add to cart
.308 Action Spring
$
10.00
would you like to know more?
Carbine Buffer
$
19.00
Add to cart
H Carbine Buffer
$
40.00
Add to cart
H2 Carbine Buffer
$
49.00
would you like to know more?
H3 Carbine Buffer
$
79.00
would you like to know more?
Pistol Grip Screw
$
3.50
Add to cart
M16/M4 Pistol Grip
$
8.00
Add to cart
Pistol Grip Screw Lock Washer
$
3.50
Add to cart
Fire Control Detent
$
3.50
Add to cart
5.56 Ejector and Fire Control Spring
$
3.50
Add to cart
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Lower receiver parts go through a rigorous quality control and inspection process to ensure combat standards are maintained.
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