AR Lower Parts Collection
Shop AR Lower Parts
Browse our full product selection, then narrow the results by firearm type, brand, action, price and availability.
Shop by Firearm Type
AR Lower Parts Categories
AR Buffer System
Browse AR Buffer System →AR Grips
Browse AR Grips →AR Braces/Stocks
Browse AR Braces/Stocks →AR Safety Selectors
Browse AR Safety Selectors →AR Lower Parts Kits
Browse AR Lower Parts Kits →AR Magazine Catch/Release
Browse AR Magazine Catch/Release →AR Takedown Pins
Browse AR Takedown Pins →AR Bolt Catch/Release
Browse AR Bolt Catch/Release →AR Trigger Guards
Browse AR Trigger Guards →
- Shop by TypePistols, rifles, shotguns and other available firearm categories.
- Filter by BrandNarrow the collection to manufacturers you already know.
- FFL TransferSelect a licensed dealer during checkout where a transfer is required.
Showing 1–20 of 367 results
ATRIUS DEVELOPMENT 3 POSITION FORCED RESET SELECTOR MIL-SPEC
1 in stock
$199.00MFT ENGAGE AR15/M16 PISTOL – GRIP W/INTERCHANGABLE PANELS
5 in stock
$27.99TRIGGERTECH AR-10 TWO STAGE – BLACK DIAMOND PRO
7 in stock
$324.99TIMBER CREEK AR15 BUFFER TUBE – PURPLE ANODIZED
2 in stock
$31.99TIMBER CREEK AR TAKEDOWN PIN – SET TUNGSTEN
5 in stock
$15.99CMMG ZEROED LOWER PARTS KIT – FOR AR-15 GUNBUILDERS KIT
40 in stock
$80.56HIPERFIRE TRIGGER AR-15/10 HPT – ECLIPSE W/NIB PLATING LOW PULL
12 in stock
$261.25GLFA COMPLETE AR15 PISTOL – LOWER RECEIVER BRACED BLACK
100 in stock
$166.92GEISSELE SUPER 42 BRAIDED WIRE – BUFFER SPRING COMBO H3
2 in stock
$142.00GEISSELE ULTRA DUTY LOWER – PARTS KIT DESERT DIRT COLOR
8 in stock
$158.00HIPERFIRE TRIGGER AR-15/10 HPT – COMPETITION 2.5-3.5LB PULL
7 in stock
$237.50HIPERFIRE TRIGGER AR-15/10 HPT – REFLEX 2.5-3.5LB PULL
15 in stock
$213.75HOGUE AR-15 COLLAPSIBLE STOCK – FDE RUBBER COMMERCIAL
4 in stock
$59.46HOGUE AR-15 GRIP & OVERMOLDED – COLLAPSIBLE STK COMMERCIAL FDE
4 in stock
$67.96HOGUE AR-15 RUBBER GRIP HANDLE – REPLACES STANDARD AR-15 GRIP
Out of stock
$25.46SB TACTICAL BRACE SBA6 BLACK – ADJUSTABLE
20 in stock
$99.99ODIN AMBI-SLING/QD PLATE RED – FOR AR-15 PISTOL BUFFER TUBES
6 in stock
$23.75BALLISTIC ENGINEERING AR15 AR – GOAT 2 STAGE 1.25-2.5LB FLAT
4 in stock
$251.00BALLISTIC ENGINEERING AR15 – AR CORE ATRIUS COMPATIBLE STRT
Out of stock
$134.00BALLISTIC ENGINEERING AR15 – AR CORE ATRIUS COMPATIBLE CRVD
5 in stock
$134.00
Firearm Selection Guide
Find the Right Product Category
Start with the firearm type that matches your intended use, then compare the actual specifications on each product page. Options vary in size, action, configuration and available features, so let the product details guide your final decision.
Product availability, transfer requirements and purchasing restrictions can vary by location. Review the applicable requirements before placing an order.
Compare Before You Choose
- Firearm type
- Manufacturer and model
- Action type
- Caliber or gauge
- Capacity and configuration
- Dimensions and weight