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
Hogue Monogrip Kit for AR-15 - Black
$29.95Hogue Monogrip Kit for AR-15 - Black Material: OverMolded® rubber with finger grooves Texture: Cobblestone™ Color: Black Weight: 2.4 oz Precision fit for AR-15/ M16 Rifles Gentle palm swells fit comfortably in...$29.95 -
LUTH-AR OVERSIZED SAFETY SELECTOR - AR15
$19.95LUTH-AR OVERSIZED SAFETY SELECTOR - AR15 Large Thumb Pad Extended Lever 8620 Steel Manganese Phosphate Finish$19.95 -
Out of stock
MAGPUL MBUS SIGHTS WITH MOE + GRIP
$121.45MAGPUL MBUS GEN II FRONT AND REAR SIGHT SET INCLUDES: Magpul Industries MAG247 : Mbus Gen II Front Flip Sight Blk (adjustment tool is included) Magpul Industries MAG248 : Mbus Gen II Rear Flip Sight Blk MAGPUL MOE PLUS AR...$121.45 -
On Sale
Magpul MOE K Grip - Gray
Sale: $18.85MSRP: $20.95Magpul MOE K Grip - Gray More vertical grip angle than standard A2 grips One-piece reinforced polymer constructionSale: $18.85MSRP: $20.95 -
Magpul MOE Polymer Trigger Guard - FDE
$9.95Magpul MOE Polymer Trigger Guard - FDE 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 -
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 -
Mil-Spec Carbine Buffer Tube Assembly
$45.00Mil-Spec Carbine Buffer Tube Assembly Made in the USA Compatible with M4 Type Butt Stocks 6 Position Carbine Buffer Tube Machined from 7075-T6 Aluminum End Plate Castle Nut Carbine Buffer Spring Carbine Buffer Available in Hard Coat Black Anodized...$45.00 -
Mil-Spec Pistol Buffer Tube
$20.00Mil-Spec Pistol Buffer Tube Made in the USA Machined from 7075-T6 Aluminum Smooth Buffer Tube for Pistols Weight: Available in Black Anodize or Cerakote Finish$20.00 -
Rise Armament Super Sporting Trigger Back The Blue Edition
$159.00Rise Armament Super Sporting Trigger Back The Blue Edition Each purchase benefits C.O.P.S. Available with a curved trigger blade Nickel boroncoated internal parts for improved performance Unique blue housing with distressed Back the Blue...$159.00 -
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 -
Strike Industries AR-15 Shift Pins
$23.95Strike Industries AR-15 Shift Pins Size: Pivot Pin:Length: 1.31” Take Down Pin:Length: 1.08” Weight (set): 0.52oz Gross Packaged Weight: 0.7oz Materials: CNC Steel Finish: Gold: Gold plating Chrome: Chrome Plating Contents: 1x Pivot...$23.95 -
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