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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TIMBER CREEK AMBIDEXTROUS SAFETY SELECTOR - FLAT DARK EARTH
$39.99AMBIDEXTROUS SAFETY SELECTOR - FDE Flat dark earth Made in the USA Variety of Colors Manufactured by Timber Creek Outdoors$39.99 -
Adaptive Tactical Lightweight Tactical Grip - Black
$17.99Adaptive Tactical Lightweight Tactical Grip - Black AR-15/M-16/M4 Pistol Grip Constructed from High Grade Reinforced Polymer One Piece Construction Non-Conductive Ergonomic Aggressive Design Lightweight and...$17.99 -
Grid Defense Mil-Spec Carbine Buffer Tube Assembly - Blue Titanium
$40.00Grid Defense Mil-Spec Carbine Buffer Tube Kit - Blue Titanium 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 Weight: 9...$40.00 -
KNS NON-ROTATING TRIGGER/HAMMER PIN .154 - G2 MOD2
$33.00KNS NON-ROTATING TRIGGER PINS/ANTI ROTATION HAMMER PIN .154 - G2 MOD2 Item Info Item 32381-2 UPC 851876003097 Brand KNS Precision, Inc Model .154 Diameter Mfg No NRTHPMOD2-154-Black Tech Specs Type Part Finish Color...$33.00 -
STRIKE INDUSTRIES MAGAZINE CATCH - BLUE
$16.95STRIKE INDUSTRIES MAGAZINE CATCH - BLUE Enhanced Magazine Catch: Steel 6061-T6 Aluminum Release Button Solid Billet Aluminum Construction Unique Anodized Colors Blue Finish$16.95 -
TIMBER CREEK AR OVERSIZED TRIGGER GUARD - BLACK
$23.99AR OVERSIZED TRIGGER GUARD - BLACK Drop in Trigger Guard Variety of Colors Aircraft grade billet aluminum Manufactured by Timber Creek Outdoors Inc. Black Anodized Finish$23.99 -
Magpul CTR Carbine Stock - FDE
$64.95Magpul CTR Carbine Stock - FDE Made in U.S.A. FEATURES Mounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, S&W, LMT, and others (please see the note below) Supplemental friction...$64.95 -
Palmetto State Armory SB Tactical SBA3 Pistol Brace - FDE
$129.00Palmetto State Armory SB Tactical Stabilizing Pistol Brace for the AR15 - FDE Palmetto State Armory Branded US Veteran Designed 5 Position Adjustable Ambi QD Mount Minimalist Design ATF Compliant Made in the USA$129.00 -
STRIKE INDUSTRIES MAGAZINE CATCH - RED
$20.95STRIKE INDUSTRIES MAGAZINE CATCH - RED Enhanced Magazine Catch: Steel 6061-T6 Aluminum Release Button Solid Billet Aluminum Construction Unique Anodized Colors Red Finish$20.95 -
TIMBER CREEK AR EXTENDED MAGAZINE RELEASE - TUNGSTEN
$19.99AR EXTENDED MAGAZINE RELEASE - TUNGSTEN Aircraft grade billet aluminum Tungsten Gray Cerakote Finish Made in the USA Manufactured by Timber Creek Outdoors Inc.$19.99 -
TIMBER CREEK AR OVERSIZED TRIGGER GUARD - BLUE
$23.99AR OVERSIZED TRIGGER GUARD - BLUE Drop in Replacement Trigger Guard More space for a large or gloved firing hand Blue Anodize Manufactured by Timber Creek Outdoors, Inc.$23.99 -
TIMBER CREEK AR TAKEDOWN PIN SET - BLUE
$19.99AR TAKEDOWN PIN SET - BLUE Machined from billet aluminum Anodized finish Made in the USA Compatible with Milspec AR15/M4 Lower Receivers These CNC machined pins are drop in replacements for Mil-Spec lowers and allow easier disassembly of...$19.99 -
SKELETONIZED ELITE TRIGGER GUARD - BLUE TITANIUM
$25.99PREMIUM SKELETONIZED ELITE TRIGGER GUARD - BLUE TITANIUM 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 -
TIMBER CREEK AR OVERSIZED TRIGGER GUARD - FLAT DARK EARTH
$23.99OVERSIZED AR TRIGGER GUARD - FLAT DARK EARTH Lightweight 0.4oz. Drop in replacement More space large or gloved hand Manufactured BY Timber Creek Outdoors, Inc.$23.99 -
TIMBER CREEK ENFORCER AR PISTOL GRIP - OD GREEN
$99.99TIMBER CREEK ENFORCER AR PISTOL GRIP - OD GREEN Made in USA Cerakote finish CNC machined from aircraft grade billet aluminum Manufactured by Timber Creek Outdoors Inc.$99.99 -
VITAL TRIGGER GUARD - OD GREEN
$15.99Vital Trigger Guard - OD Green With it's slim design, it offers coverage where it is needed serving its purpose: but yet not getting in the way when inquiring your target. Material: Plastic Weight: 1.54oz Includes: Pin & Allen Set...$15.99 -
CMC AR-15 Match Curved Trigger - 3.5LB
$189.99CMC AR-15 CURVED MATCH TRIGGER FEATURES Single Stage Match Trigger Multiple trigger pull weights Ultra-crisp trigger with no feel of creep prior to hammer release Trigger has glass-smooth break with no feel of grittiness Minimal lock time is...$189.99 -
TACTICAL DYNAMICS SKELETON GRIP - TEQUILA SUNRISE
$79.00Tactical Dynamics Skeleton Grip - Tequila Sunrise Machined from 7075-T6 Aluminum Durable and Lightweight Compatible with AR15/AR10 Platforms Unique Design Made in the USA Tequila Sunrise Cerakote Finish$79.00 -
Tactical Dynamics Skeleton Stock - OD Green
$109.00Tactical Dynamics Skeleton Stock Finished in Magpul Olive Drab Green Cerakote Made in the USA Compatible with Milspec Carbine Buffer Tube Machined from 6061-T6 Aluminum Specs 6 3/4" Long 5 1/4" Contact Area 1 1/4" Wide 9.65oz$109.00 -
Tactical Dynamics Skeleton Stock - Raw
$99.00Tactical Dynamics Skeletonized Stock Made in the USA Raw Finish Machined from 6061-T6 Aluminum Minimalist Stock Compatible with Milspec Carbine Buffer Tubes Specs 6 3/4" Long 5 1/4" Contact Area 1 1/4" Wide 9.65oz$99.00