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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Radian Weapons Talon Ambidextrous Safety Selector - Flat Dark Earth
$64.95Radian Weapons Talon Ambidextrous Safety Selector - Flat Dark Earth Short & Long Lever Billet Aircraft Grade Aluminum Center Shaft Machined from Hardened Steel AR15/AR10 Compatible$64.95 -
TIMBER CREEK ENFORCER AR PISTOL GRIP - FLAT DARK EARTH
$99.99ENFORCER AR PISTOL GRIP - FLAT DARK EARTH Cerakote FDE Pistol Grip Weighs 4oz. Manufactured by Timber Creek Outdoors, Inc.$99.99 -
Out of stock
ERGO 2 Sure Grip - FDE
$25.99ERGO 2 Sure Grip - FDE Design allows installation on both .223 and .308 AR-15/AR-10 type receivers. A2 sized inner cavity compatible with many accessories available on the market. Ergonomically correct finger grooves Integrated rear upper extension...$25.99 -
F.A.B. Defense Gradus AR Pistol Grip - FDE
$29.00F.A.B. Defense Gradus AR Pistol Grip - FDE Ergonomic AR Grip$29.00 -
TIMBER CREEK RECEIVER EXTENSION PLATE - FLAT DARK EARTH
$69.99TIMBER CREEK RECEIVER EXTENSION PLATE - FLAT DARK EARTH Drop in replacement Fits any milspec buffer tube Lightweight Made in the USA$69.99 -
Bravo Company Mod 0 Sopmod Stock Kit - FDE
$124.00Bravo Company Mod 0 Sopmod Stock Kit - FDE BCM 7075T6 Mil-Spec Receiver Extension Locking Nut M4 Mil-Spec Carbine Action Spring Carbine Buffer BCM QD Swivel Mount End Plate$124.00 -
BRAVO COMPANY GUNFIGHTER GRIP MOD 0 - FDE
$30.00BRAVO COMPANY BCMGUNFIGHTER GRIP MOD 0 - FDE Fits AR rifles Reduced angle for improved ergonomics Hinged trap door offering storage inside the grip Test fit to ensure proper function$30.00 -
On Sale
Grid Defense Mil-Spec Lower Parts Kit - FDE
Sale: $59.99MSRP: $79.99Ghost Firearms Mil-Spec Lower Parts Kit - FDE FDE Cerakote Trigger Group FDE Cerakote A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch Spring Detent Spring Bolt...Sale: $59.99MSRP: $79.99 -
Magpul PSR GEN3 Precision Adjustable Stock - FDE
$259.95Magpul PSR GEN3 Precision Adjustable Stock - FDE Machined aluminum LOP and Cheek Piece adjustment knobs Steel adjustment shafts finished with Melonite Bottom M-LOK slots for sling or monopod$259.95 -
Out of stockOn Sale
AR-15 Lower Parts Kit - FDE
Sale: $50.99MSRP: $55.99AR-15 Lower Parts Kit - FDE Mil-Spec Lower Parts Kit Minus Grip and Screw Ambidextrous Safety Selector Finished in FDE Cerakote Enhanced Bolt Catch Finished in FDE Cerakote Trigger Finished in FDE Cerakote Extended Takedown/Pivot Pins Finished in...Sale: $50.99MSRP: $55.99 -
Bravo Company Gunfighter Mod 0 Adjustable Stock - FDE
$60.00Bravo Company BCMGUNFIGHTER Mod 0 Adjustable Stock - FDE The strongest light-weight polymer stock available for your mil-spec receiver 2 different types of ambidextrous sling mounting option Fits Mil-Spec Buffer Tube$60.00 -
BRAVO COMPANY GUNFIGHTER SOPMOD 0 ADJUSTABLE STOCK - FDE
$64.00BRAVO COMPANY GUNFIGHTER SOPMOD 0 STOCK - FDE The strongest light-weight polymer stock available for your mil-spec receiver extension More pronounced cheekweld-SOPMOD type (widebody)$64.00 -
Grid Defense Complete AR-15 Rifle Parts Kit - FDE
$124.99Grid Defense Complete Rifle Parts Kit - FDE Lower Parts Kit FDE Cerakote Trigger Group FDE Cerakote A2 Grip Buffer Retainer Pin Buffer Retainer Spring Trigger Guard Safety Selector Bolt Catch...$124.99 -
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 -
Seekins Precision Safety Selector Kit - FDE
$59.00Seekins Precision Safety Selector Kit - FDE Ambidextrous 60 Degree Short Throw 90 Degree Standard Throw$59.00 -
F.A.B. Defense Mag-well Grip and Funnel - FDE
$26.00F.A.B. Defense Mag-well Grip and Funnel - FDE Polymer Finger Grooves for a comfortable grip Fits AR-15$26.00 -
Rise Armament AR-15 Magazine Release Button - Graphite
$9.99Rise Armament AR-15 Magazine Release Button - Graphite Sleek, ergonomic design Anti-slip horizontal grooves Simple installation Precision machined from 6061 aluminum$9.99