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 - ORANGE
Sale: $35.99MSRP: $39.99AMBIDEXTROUS SAFETY SELECTOR - ORANGE Lightweight material Made in the USA Multiple configurations for shooters Manufactured by Timber Creek Outdoors Inc.+Sale: $35.99MSRP: $39.99 -
TIMBER CREEK AR EXTENDED MAGAZINE RELEASE - BURNT BRONZE
$19.99AR EXTENDED MAGAZINE RELEASE - BURNT BRONZE Made in the USA Burnt Bronze Cerakote Finish Compatible with all mil-spec lowers Manufactured by Timber Creek Outdoors Inc.$19.99 -
TIMBER CREEK AR EXTENDED MAGAZINE RELEASE - FLAT DARK EARTH
$19.99AR EXTENDED MAGAZINE RELEASE - FDE Flat dark earth cerakote Aircraft grade billet aluminum Made in the USA Manufactured by Timber Creek Outdoors$19.99 -
TIMBER CREEK AR TAKEDOWN PIN SET - ORANGE
$19.99AR TAKEDOWN PIN SET - ORANGE Made in USA Anodized finish Compatible with AR15/M4 lower receivers Machined from billet aluminum These CNC machined pins are drop in replacements for Mil-Spec lowers and allow easier disassembly of your...$19.99 -
TIMBER CREEK ENFORCER AR PISTOL GRIP - RED
$99.00TIMBER CREEK ENFORCER AR PISTOL GRIP - RED Lightweight Made in the USA Red anodized with clear cerakote Mounts to any standard milspec receiver$99.00 -
$2.99
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Ghost Grip - Tactical Grape
$19.99The Ghost Grip is designed for Made In the USA Made From: reinforced Plastic composite Slim Lightweight Design Incorporates finger groves to insure a tight and comfortable hold Ghost "G" Engraved into the left hand side of...$19.99 -
GHOST MIL-SPEC CARBINE BUFFER TUBE KIT WITH M4 STOCK
$53.00Ghost Mil-Spec Carbine Buffer Tube Kit 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: 9.75oz Hard Coat Black...$53.00 -
Magpul MOE Plus AR Grip - OD Green
$24.95Magpul MOE Plus AR Grip - OD Green AR15/M4 Pistol Grip Beavertail Backstrap Anti Slip Texture Olive Drab Green Reinforced Polymer Construction 25 Degree Angle Grip Weighs 3.4oz Made in the USA$24.95 -
Strike Industries Anti-Rotation/Anti-Walk Trigger/Hammer Pins - Black
$17.95Strike Industries AR-15 Antiwalk/Antirotation Trigger/Hammer Pins Black - Black .154” pin diameter Machined from S45C steel Black Nitride finished Polished bearing surface Toolless installation Improved trigger feel$17.95 -
TACTICAL DYNAMICS SKELETON GRIP - ROBINS EGG
$79.00Tactical Dynamics Skeleton Grip - Robins Egg Finished in Robins Egg Cerakote Machined from 7075-T6 Aluminum Durable and Lightweight Compatible with AR15/AR10 Platforms Unique Design Made in the USA$79.00 -
TIMBER CREEK AMBIDEXTROUS SAFETY SELECTOR - RED
$39.99AMBIDEXTROUS SAFETY SELECTOR - RED Lightweight material Made in the USA Multiple configurations for shooters Manufactured by Timber Creek Outdoors Inc.+ Red Anodized Finish$39.99 -
TIMBER CREEK AR TAKEDOWN PIN SET - FLAT DARK EARTH
$19.99AR TAKEDOWN PIN SET - FLAT DARK EARTH Compatible with Milspec AR15/M4 Lower Receivers Made in the USA Machined from billet aluminum Cerakote finish These CNC machined pins are drop in replacements for Mil-Spec lowers and allow easier...$19.99 -
Elftmann Ambi Speed Safety - Black
$39.95Elftmann Ambi Speed Safety Made in the USA Ambidextrous Safety Selector Push Safety Design Includes Detent Extremely Fast On-Off Stainless Steel Mil-Spec Compatible Works with AR15/AR10$39.95 -
Elftmann Tactical 3 Gun Trigger - Curved
$279.00Elftmann 3 Gun Trigger | Mil-spec AR-15 Trigger Features Fits any mil-spec AR-15 (Large pin Colt available) Absolutely Drop-Safe regardless of pull-weight Factory set Pull-weight is approximately 50% lighter than that of a standard AR-15...$279.00 -
Ghost Grip - Sig Pink
$19.99The Ghost Grip is designed for Made In the USA Made From: reinforced Plastic composite Slim Lightweight Design Incorporates finger groves to insure a tight and comfortable hold Ghost "G" Engraved into the left hand side of the...$19.99 -
Grid Defense AR Lower Takedown/Pivot Pin Spring and Detent Replacements
Sale: $4.49MSRP: $9.99Grid Defense AR Lower Takedown/Pivot Pin Spring and Detent Replacements Machined from quality corrosion resistant stainless steel Made in the U.S.A. AR-15 and AR-15 3x Takedown / Pivot Pin Detents 2x Takedown / Pivot Pin Detent SpringsSale: $4.49MSRP: $9.99 -
Spike's Enhanced Lower Parts Kit
$181.00Spike's Enhanced Lower Parts Kit 556 - Black Better than Mil-Spec quality Five Upgrades Over Standard Parts Kit Battle Trigger Group (Nickel Boron Coated)Billet Tool-less Trigger GuardBlack Ergo GripBlack KNS Anti Rotation Gen 2 Mod 2Ambi Safety Also...$181.00 -
STRIKE INDUSTRIES FANG BILLET TRIGGER GUARD - RED
$21.95STRIKE INDUSTRIES FANG BILLET TRIGGER GUARD - RED Contents:- 1x Aluminum Trigger Guard- 4x M3 Hex Screw- 1x Warning card Features:- Aircraft grade aluminum construction- Magazine reload assist- Cleaner, faster reloads- Lightweight (.4 oz with...$21.95 -
TIMBER CREEK ENFORCER AR PISTOL GRIP - TUNGSTEN
$99.99TIMBER CREEK ENFORCER AR PISTOL GRIP - TUNGSTEN Skeletonized Lightweight pistol grip Cerakote finish Drop in replacement mounts to all standard lower receivers Weighing in at just over 4oz$99.99