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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Out of stock
ROGERS SUPER STOCK
$55.99ROGERS SUPER STOCK Glass-filled and non-glass-filled Nylon blends Cam-lock system Quick Detach sling swivel port installed Length: 6.75″ Fits: Mil-Spec Buffer Tubes Made in the U.S.A.$55.99 -
Seekins Precision Billet AR Trigger Guard - Black
$24.00Seekins Precision Billet AR Trigger Guard - Black 6061-T6 Aluminum CNC Machined Easy to Install Eliminates the Gap Between the Receiver and the Trigger Guard$24.00 -
Seekins Precision Safety Selector Kit - FDE
$59.00Seekins Precision Safety Selector Kit - FDE Ambidextrous 60 Degree Short Throw 90 Degree Standard Throw$59.00 -
Out of stock
Strike Industries AR Flip Switch - Blue
$43.95Strike Industries AR Flip Switch - Blue Package includes:- 2x Shaft Screw- 1x 60/90 Shaft- 1x End Cap- 1x Right Side Flip Switch- 1x Left Side Flip Switch Features- Ambidexterous- Ergonomic Shape- Modular Assembly- Strike 60/90 Option Note: Not...$43.95 -
Sylvan Arms CZ Folding Stock Adapter
$149.99Sylvan Arms CZ Folding Stock Adapter Sylvan Item Number CZS100 Assembled and Ready for Installation 1-3/16 x 16 Standard Thread Machined from B390 Aluminum Folds to The Right Black$149.99 -
On Sale
Tactical Dynamics AK47 Skeleton Stock - Black
Sale: $56.00MSRP: $99.00Tactical Dynamics Skeletonized Stock Black Anodize Finish Works with StormWerks Ak folding adapteR Compact 7.25" Weighs only 10 ouncesSale: $56.00MSRP: $99.00 -
Out of stockOn Sale
Tactical Dynamics AK47 Skeleton Stock - Burnt Bronze
Sale: $56.00MSRP: $99.00Tactical Dynamics Skeletonized Stock - Burnt Bronze Finished in Burnt Bronze Cerakote Works with StormWerks Ak folding adapter Compact 7.25" Weighs only 10 ouncesSale: $56.00MSRP: $99.00 -
On Sale
Tactical Dynamics AK47 Skeleton Stock - Raw Aluminum
Sale: $56.00MSRP: $94.00Tactical Dynamics Skeletonized Stock - Raw Aluminum Raw Aluminum Finish Works with StormWerks Ak folding adapter Compact 7.25" Weighs only 10 ouncesSale: $56.00MSRP: $94.00 -
Out of stock
TIMBER CREEK AR EXTENDED MAGAZINE RELEASE - ORANGE ANODIZED
$19.99AR EXTENDED MAGAZINE RELEASE - ORANGE Aircraft grade billet aluminum Orange Anodized Finish Made in the USA Manufactured by Timber Creek Outdoors Inc.$19.99 -
TIMBER CREEK RECEIVER EXTENSION PLATE - BLUE
$69.99TIMBER CREEK RECEIVER EXTENSION PLATE - BLUE Blue anodized finish One of the lightest stocks on market Made in the USA Drop-in replacement stock$69.99 -
Timney Triggers Skeleton 3 Lbs AR-15 Trigger
$314.99Timney Triggers Skeleton 3 Lbs AR-15 Trigger Single-Stage Improved Accuracy Drop-in Design No Adjustments Needed$314.99 -
Out of stock
UTG Pro AR Pistol Extension Tube Kit - Black
$47.97UTG Pro AR Pistol Extension Tube Kit - Black 1.2" OD Receiver Extension Tube Compatible with AR15 Lower Receivers Precision Machined from 7075-T6 Aircraft Grade Aluminum with a Dry Film Lube Coated Interior for Smoother and More reliable...$47.97 -
Wilson Combat AR-15 Two Stage H2 Trigger
$189.95Wilson Combat AR-15 Two Stage H2 Trigger 4.5-5Lb Pull Fits AR-15$189.95 -
Out of stock
XTech Tactical ATG AR15 Tactical Adjustable Grip - Black | Heavy Texture
$19.99XTech Tactical ATG AR15 Tactical Adjustable Grip - Black | Heavy Texture Simple Adjustment Precision Fit 3 Angles (17°, 25°, 33°) Hardware Included Made in USA$19.99 -
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 -
ATI Outdoors AR-15 TactLite Mil-Spec Stock - Black
$37.49ATI Outdoors AR-15 TactLite Mil-Spec Stock - Black Six position adjustable Mil-Spec stock Fits AR-15/AR-10 Firearms with Military Buffer Tube Buffer Tube not included TracLock System$37.49 -
ATI Outdoors TactLite GEN2 AR-15 Mil-Spec Stock - Black
$48.99ATI Outdoors TactLite GEN2 AR-15 Mil-Spec Stock - Black ATI Outdoors Item Number: C.2.10.2212 TactLite GEN2 Adjustable Stock with TracLOCK GEN2 System Eliminates Horizontal & Vertical Movement of the Stock on the Buffer...$48.99 -
B5 Systems AR-15 Pistol Grip - FDE
$20.00B5 Systems AR-15 Pistol Grip - FDE Aggressive texture for increased retention. Accepts Battery Grip Plug. Made of Milspec material. Available in all standard colors.$20.00 -
B5 Systems Medium Length Collapsible Precision Stock - Black
$230.00B5 Systems Medium Length Collapsible Precision Stock - Black Adjustable cheekweld and buttpad with precision dials. Mounting slots for Accessory Cheekpiece. 12 internal tensioners. Color matched machined hardware. Fixed sling mounts. Steel...$230.00 -
B5 Systems SOPMOD Stock - FDE
$120.00B5 Systems SOPMOD Stock - FDE Ergonomic cheek weld. Color-matched steel hardware. Overmolded steel anti-rotational QD sling mounts. Fixed sling mounts. No slip cushioned butt pad. Suregrip stock latch. Dual water resistant storage compartments...$120.00