Lower Parts
Looking to get new parts for your AR's lower receiver. This is the place to look, with hundreds of parts from stocks and grips to a new mag release button. Shop with Grid Defense to customize and build the best lower receiver you can. Make your firearm look, feel, and perform the best with our selection of OE and aftermarket parts.
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On Sale
Grid Defense AR-15 80% Lower Receiver Without Fire/Safe Engravings - OD Green
Sale: $69.00MSRP: $170.00Grid Defense AR-15 80% Lower Receiver without Fire/Safe Engravings - OD Green Machined from 7075-T6 Aluminum Forging Finished in OD Green Cerakote Flared and broached magazine well Rear upper lug pocket cut out Fits all mil-spec upper...Sale: $69.00MSRP: $170.00 -
Magpul MOE K-2 AR Pistol Grip - OD Green
$20.95Magpul MOE K-2 AR Pistol Grip - OD Green Replacement for AR15/M4 pistol-grip One-piece reinforced polymer construction More vertical grip angle than A2 grips Aggressive TSP texture Weight: 2.9oz Thickness: 1.2" Height: 4.1" Grip Angle: 17...$20.95 -
MIL-SPEC PISTOL BUFFER TUBE - OD GREEN
$25.00MIL-SPEC PISTOL BUFFER TUBE - OD Green Made From: Forged 7075 aluminum Olive Drab Green Cerakote Finish **Buffer, Castle Nut, End Plate Not Included**$25.00 -
Grid Defense Pistol Stabilizing Fin - OD Green
$49.99Grid Defense Pistol Stabilizing Fin - Blue Titanium -Constructed from Reinforced Polymer -Increases Weapon Control and Stability -Weighs 5.7oz -Fits Pistol Buffer Tube up to 1.25" (Not Included) -Finished in OD Green Cerakote$49.99 -
Out of stock
SKELETONIZED ELITE TRIGGER GUARD - OLIVE DRAB
$25.99Premium Skeletonized Elite Trigger Guard - Olive Drab This Skeletonized trigger guard is the premium option from the Vital trigger guard that comes standard with all completed lowers. With it's slim design, it offers coverage where it is needed...$25.99 -
Out of stock
SKELETONIZED ELITE TRIGGER GUARD - ZOMBIE GREEN
$25.99PREMIUM SKELETONIZED ELITE TRIGGER GUARD - ZOMBIE GREEN This Skeletonized trigger guard is the premium option from the Vital trigger guard that comes standard with all completed lowers. With it's slim design, it offers coverage where it is needed...$25.99 -
Magpul MOE-K Grip AR15/M4 - OD Green
$20.95Magpul MOE-K Grip - OD Green Replacement for AR15/M4 pistol-grip One-piece reinforced polymer construction More vertical grip angle than standard A2 grips Minimalist design$20.95 -
AR-15 Pistol Buffer Tube Assembly - OD Green
$35.00PISTOL BUFFER TUBE ASSEMBLY - OD Green Made in the USA 1.25" Outer Diameter Machined from 7075-T6 Aluminum End Plate Castle Nut Carbine Buffer Spring Carbine Buffer Finished in OD Green Cerakote$35.00 -
Magpul MOE Polymer Trigger Guard - OD Green
$9.95Magpul MOE Polymer Trigger Guard - OD Green Constructed from Advanced Polymer Compatible with the AR15/M4 Platform All Mounting Hardware Included Made in the USA Easily installed without the use of specialized tools Ergonomic and enlarged...$9.95