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  • Firearms Unknown National City
  • Address: 416 National City Blvd, Unit B, National City, Ca 91950
  • Telephone: 619-507-3174
  • Opening hours: 11AM - 7PM Every Day
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Lower Parts and Kits

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  3. › AR15 / LR308 Parts
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  5. › Lower Parts and Kits
184 Products available

House Sopmod Stock ODG

SOPMOD AR Buttstock is meticulously crafted from ultra-modern high strength impact resistant polymer to deliver the reliable performance you can count on for a lifetime.

$64.99
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MFT Engage Ar Pistol Grip

15 degree angle improves comfort and control. Texture provides a positive grip surface with wet or gloved hands A combination of fit and function unparalleled by the originally supplied M16/AR15/M4/HK416 pistol grip.

$19.99
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House Sopmod Stock Cerekote FDE

In-House Cerakote FDE Sopmod Stock

$84.99
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Leapers, Inc. - UTG, UTG PRO, Ambidextrous Grip, Built in Storage

Leapers, Inc. - UTG, UTG PRO, Ambidextrous Grip, Built in Storage Compartment, Fits AR-15, Black

$14.97
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J P Enterprises 308 AR Alternate 3 Spring Pack for JPSCS-10

The Auxiliary Spring Rate Kit for the JP Silent Captured Spring allows custom tuning of the device to a given rifle.

$24.00
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Strike Industries AR Anti Walk Pins AWP

Strike Industries, Black, Anti-Walk Pins

$21.36
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Magpul MOE Enhanced Trigger Guard, ODG

The MOE (Magpul Original Equipment) Enhanced Trigger Guard is a polymer drop-in replacement for the AR15 / M4 weapons platform.

$9.95
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Firearms Unknown LR308 Bolt Stop Screw

Bolt stop screw for LR308 lowers

$4.99
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Hogue AR15 OverMolded Fixed Buttstock

Precision fit for standard A2 non-collapsible buffer tubes

$59.95
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House Ambi AR Receiver End Plate

Adds Sling Mounts for non-QD slings To the Receiver End Plate

$9.99
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House AR15 Pivot Pin

Pivot Pin for the AR15 Platform

$3.50
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MFT Grip and Enhanced Trigger Guard Combo Deal

15 degree angle improves comfort and control. Texture provides a positive grip surface with wet or gloved hands A combination of fit and function unparalleled by the originally supplied M16/AR15/M4/HK416 pistol grip.

$24.98 $19.99
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MFT One Point Sling Mount

One Point Sling Mount is a single point sling mount for snap clips or conventional slings up to 1.25" webbing

$34.99
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Magpul MOE SL-K Carbine Stock Mil-Spec

A drop-in replacement buttstock for AR15/M4 mil-spec carbine buffer tubes, the SL-K is designed for compact PDW style weapons or users desiring a small and light stock.

$44.95
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Magpul UBR GEN2 Collapsible Stock

Magpul Industries, UBR Gen 2, Utility/Battle Rifle Adjustable Carbine Stock, Buffer Tube Included, Fits AR15/M4/AR10/SR25

$199.95
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Magpul STR Carbine Stock Mil-Spec

Magpul Industries, STR Stock, Fits AR-15, Mil-Spec

$84.95
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Blitzkrieg LR308 Rifle Buffer

Standard Rifle Buffer For LR308 Rifles

$30.00
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Phase 5 EBRv2 308 Extended Bolt Release (Not Compatible with Gen 2)

EXTENDED BOLT RELEASE V2 .308 (EBRV2/308)

$59.99
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Magpul MOE+ Grip AR15

The MOE+ Grip combines reinforced polymer body construction with comfortable, wrap-around rubber overmolding for maximum weapon control in adverse environments.

$24.95
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Magpul MOE Carbine Stock Mil-Spec

The MOE Stock – Mil-Spec Model (Magpul Original Equipment) is a drop-in replacement buttstock for AR15/M16 carbines using mil-spec sized receiver extension tubes.

$44.95
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House AR15 and LR308 Safety Selector Detent Spring

Safety Selector Detent Spring. Mil-Spec. Made in the USA

$1.00
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House AR15 and LR308 Grip Screw

Pistol Grip Screw. Mil-Spec. Made in the USA

$1.00
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House AR15 and LR308 Magazine Release Button

Magazine Release Button. Mil-Spec. Made in the USA

$2.00
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Adaptive Tactical EX Performance Adjustable Stock Black

Adaptive Tactical, EX Performance Stock, Fits AR-10/15 Rifles, Black

$59.99
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