Shop All - Firearm Accessories & Parts - AR15 Parts & Accessories - Lower Parts

Guntec USA

Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube - CASTLE-EXD

MSRP: $16.95

Was:

Now: $14.95

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Guntec USA

Guntec USA AR-15 / AR .308 Extended Mag Catch Paddle - EXT-MC

MSRP: $19.95

Was:

Now: $16.95

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Guntec USA

Guntec USA AR-15 A2 Rifle Stock Tube Kit - A2TUBESET

MSRP: $54.95

Was:

Now: $45.95

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Strike Industries

Strike Industries AR-15 Carbine Flat Wire Spring

MSRP: $19.95

Was:

Now: $17.95

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Rise Armament

Rise Armament, Lower Parts Kit - 12003

MSRP: $39.99

Was:

Now: $37.99

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Magpul Industries

Magpul Enhanced AR Magazine Release - MAG568

MSRP: $19.95

Was:

Now: $18.95

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Magpul Industries

Magpul Enhanced AR15/M4 Trigger Guard, Aluminum – MAG015-BLK

MSRP: $19.95

Was:

Now: $18.95

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Strike Industries

Strike Industries Extended Bolt Catch - SI-AR-XBC

MSRP: $14.95

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Now: $12.95

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Sylvan Arms

Sylvan Arms AR15 Flared Magwell - ARFM100

MSRP: $54.99

Was:

Now: $44.99

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Sylvan Arms

Sylvan Arms AR Folding Stock Adapter - ARH300

MSRP: $179.99

Was:

Now: $152.95

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Guntec USA

Guntec USA AR15 Lower Builders Kit - Lower Parts Kit w/o Trigger and Grip

MSRP:

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Now: $49.95

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Patriot Ordnance Factory

POF-USA QD End Plate - 01606

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Now: $30.00

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Geissele Automatics

Geissele Automatics Maritime Enhanced Bolt Catch - Black

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Now: $29.00

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Anderson Manufacturing

ANDERSON MANUFACTURING OOPS KIT FOR AR-15 SPRINGS AND DETENTS

MSRP: $13.95

Was:

Now: $10.49

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LanTac USA

LanTac USA RPS Ratchet Plate System - 01-UP-RPS

MSRP: $54.99

Was:

Now: $49.99

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LanTac USA

LanTac USA BC-PRO Upgraded Bolt Catch - 01-LP-BC-PRO

MSRP: $59.95

Was:

Now: $52.95

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Fortis MFG

Fortis SLS Fifty (Super Lean Sport) Ambi Safety Selector (50 & 90 Degree)

MSRP: $69.95

Was:

Now: $66.45

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Fortis MFG

Fortis Super Sport Fifty Ambi Safety Selector (50 & 90 Degree)

MSRP: $69.95

Was:

Now: $66.45

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Battle Arms Development

Battle Arms Development Enhanced Modular Magazine Release - Large

MSRP: $23.95

Was:

Now: $21.95

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Sylvan Arms

Sylvan Arms AR-15 Conversion Block FITS Glock

MSRP: $114.99

Was:

Now: $94.99

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Strike Industries

Strike Industries Optimus Modular Weight Buffer AR Platform Bronze Aluminum

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Now: $59.95

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Impact Weapons Components

Impact Weapons Components QD Rotation End Plate - QDENDPLATEIWC

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Now: $18.95

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CMMG Inc.

CMMG AR15 Gunbuilder's Kit (Lower Parts Kit) - 55CA601

MSRP: $39.95

Was:

Now: $34.95

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Radian Weapons

Radian Weapons Talon Ambidextrous Safety Selector - 2 Lever Kit

MSRP: $69.95

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Now: $64.95

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Guntec USA

Guntec USA AR-15 Extreme Duty Wide Castle Nut For Car/M4 Buffer Tube - CASTLE-EXD

GunTec has a AR15 Extreme Duty Wide Castle Nut for Car/M4 Buffer Tube to provide more strength and durability for your AR. Made in the USA. FEATURES: US Made Steel Gen 3 -Newest Design Fits Mil-spec/Commercial Buffer Tubes Enhanced Design For Extreme...

MSRP: $16.95

Was:

Now: $14.95

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Guntec USA

Guntec USA AR-15 / AR .308 Extended Mag Catch Paddle - EXT-MC

Guntec's AR-15/AR .308 Extended Magazine Catch Paddle Release lets you quickly find and release your magazine for faster reloads. Great for 3 gun matches or any competition with your AR. FEATURES: Ergonomic Contoured Design Fits Any .223/.308 Quick...

MSRP: $19.95

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Now: $16.95

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Guntec USA

Guntec USA AR-15 A2 Rifle Stock Tube Kit - A2TUBESET

A2 Rifle Tube Kit T6 6061 Aluminum A2 Buffer Tube Rifle Length Buffer Spring A2 Buffer A2 Rifle Tube Kit A2 Buffer T6 6061 Aluminum A2 Buffer Tube Rifle Length Buffer Spring Guntec USA has been manufacturing AR-15, AR-308 and AR 9mm accessories since...

MSRP: $54.95

Was:

Now: $45.95

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Strike Industries

Strike Industries AR-15 Carbine Flat Wire Spring

Strike Industries products are designed by shooting experts for the shooting sportsman.The Strike Industries Flat Wire Carbine Spring is an inexpensive and easy upgrade for your AR-15. Designed to smooth recoil, this spring produces an increased...

MSRP: $19.95

Was:

Now: $17.95

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Rise Armament

Rise Armament, Lower Parts Kit - 12003

High quality components and precise manufacturing make Rise Armament parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on. Precise...

MSRP: $39.99

Was:

Now: $37.99

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Magpul Industries

Magpul Enhanced AR Magazine Release - MAG568

Larger surface for quick mag changes The Magpul AR Enhanced Magazine Release provides an enlarged contact surface for quick and fumble-free magazine changes. With easy bolt-on installation and no gunsmithing required, the...

MSRP: $19.95

Was:

Now: $18.95

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Magpul Industries

Magpul Enhanced AR15/M4 Trigger Guard, Aluminum – MAG015-BLK

Aluminum drop in trigger guard for AR15/M4 The Enhanced Trigger Guard is a black anodized aluminum drop in replacement for the AR15/M4 weapons platform. It features a shallow "V" shape for better use of gloves in tactical shooting or cold...

MSRP: $19.95

Was:

Now: $18.95

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Strike Industries

Strike Industries Extended Bolt Catch - SI-AR-XBC

The SI-XBC Extended bolt catch is a heavy duty, “go-fast” addition to the SI line of enhanced parts. Under high stress situations, the oversized bolt release lever aides in rapid thumb or palm engagement, even with gloved hands. The...

MSRP: $14.95

Was:

Now: $12.95

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Sylvan Arms

Sylvan Arms AR15 Flared Magwell - ARFM100

The Sylvan Arms Flared Magwell allows no-look, faster loading of magazines. With integral trigger guard, and wider flare than competing products, the Sylvan Arms Flared Magwell outperforms any other magwell available on the market today. FEATURES: Sleek...

MSRP: $54.99

Was:

Now: $44.99

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Sylvan Arms

Sylvan Arms AR Folding Stock Adapter - ARH300

The Sylvan Arms Folding Stock Adapter allows you to fold your stock and significantly reduce the length of your rifle for easy stow and travel. Specifically designed for gas piston and direct impingement systems 5.56 to .308 systems, as well as .223...

MSRP: $179.99

Was:

Now: $152.95

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Guntec USA

Guntec USA AR15 Lower Builders Kit - Lower Parts Kit w/o Trigger and Grip

The AR-15 Builders Kit is the perfect set for your next project AR. This kit provides armorers and hobbyists with the basic components to assemble a stripped lower receiver, minus the parts almost every shooter would be upgrading from the start such as...

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Now: $49.95

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Patriot Ordnance Factory

POF-USA QD End Plate - 01606

The QD end plate is a low profile sling mount that does not interfere with the stock when fully collapsed. It features an anti-rotational QD sling swivel attachment. As a result, it allows the operator to focus on the target and not on untangling...

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Now: $30.00

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Geissele Automatics

Geissele Automatics Maritime Enhanced Bolt Catch - Black

The Geissele Maritime Bolt Catch is designed with the warfighter in mind and will work with any lower receiver designed to accept a mil-spec M16/M4 Carbine bolt catch. The increased surface area promotes ease of function when locking back the bolt or...

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Now: $29.00

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Anderson Manufacturing

ANDERSON MANUFACTURING OOPS KIT FOR AR-15 SPRINGS AND DETENTS

Whoops! Kit comes in packaging that makes it easier to wrap as a gift for Holidays, Birthdays, or Other Special Occasions! The Whoops Kit comes with the Springs and Detents that can easily get misplaced when you are installing them and/or replacing...

MSRP: $13.95

Was:

Now: $10.49

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LanTac USA

LanTac USA RPS Ratchet Plate System - 01-UP-RPS

The LANTAC RPS™ Ratchet Plate System removes the necessity to stake castle nuts in place after fitting. It also provides a QD Sling attachment point directly below the buffer tube. It utilizes a one piece designed ratcheted tooth and arm,...

MSRP: $54.99

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Now: $49.99

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LanTac USA

LanTac USA BC-PRO Upgraded Bolt Catch - 01-LP-BC-PRO

LANTAC BC-PRO™ Upgrade Bolt Catch Precision CNC machined from 17-4 PH (Precipitation Hardened) Stainless Steel in H900 condition and QPQ (Quench Polish Quench) Nitride treated to AMS2753D specification for enhanced corrosion resistance and...

MSRP: $59.95

Was:

Now: $52.95

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Fortis MFG

Fortis SLS Fifty (Super Lean Sport) Ambi Safety Selector (50 & 90 Degree)

*CONTACT US FOR A SPECIAL COUPON CODE!* When designing our new Fortis Super Lean Sport (SLS) FIFTY™, we made sure our brand's innovation, intent and quality were evident in every aspect of the design. While most AR safety selectors in the market...

MSRP: $69.95

Was:

Now: $66.45

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Fortis MFG

Fortis Super Sport Fifty Ambi Safety Selector (50 & 90 Degree)

*CONTACT US FOR A SPECIAL COUPON CODE!* When designing our new Fortis Super Sport (SS) FIFTY™, we made sure our brand's innovation, intent and quality were evident in every aspect of the design. While most AR safety selectors in the market today...

MSRP: $69.95

Was:

Now: $66.45

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Battle Arms Development

Battle Arms Development Enhanced Modular Magazine Release - Large

Precision CNC Machined for billet 7075-T6 Aluminum, the BAD-EMMR features, unique, patent-pending three sided dovetail finger pad attachment mechanism that allows for maximum strength, an almost uninterrupted finger pad face for maximum design...

MSRP: $23.95

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Now: $21.95

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Sylvan Arms

Sylvan Arms AR-15 Conversion Block FITS Glock

*CONTACT US FOR A SPECIAL COUPON CODE!* The Sylvan Arms 9mm Conversion Block converts your AR-15 lower to a 9mm Lower using Glock magazines. Our Glock Conversion Block is built to handle any standard mil spec lowers with most 9mm uppers. Works with...

MSRP: $114.99

Was:

Now: $94.99

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Strike Industries

Strike Industries Optimus Modular Weight Buffer AR Platform Bronze Aluminum

Developed to suit the needs of a performance-based shooter, the Strike Industries Optimus Weight Buffer provides rapid modular customization that can be performed by the user. Changing out the buffer is one of the most direct upgrades to the AR platform,...

MSRP:

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Now: $59.95

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Impact Weapons Components

Impact Weapons Components QD Rotation End Plate - QDENDPLATEIWC

AR AR15 M4 Receiver End Plate with ROTATION LIMITED QD Sling Swivel Socket PRODUCT SPECIFICATIONS: Durable Black MELONITE Plating assures a perfect, deep rich black color to match your Reciever and other IWC Components. MELONITE is an etching...

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Now: $18.95

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CMMG Inc.

CMMG AR15 Gunbuilder's Kit (Lower Parts Kit) - 55CA601

Our Gun builders kit includes most of the necessary parts to build up your lower group except the commonly upgraded parts. Does not include Trigger Guard, Fire Control Group, and pistol grip. **All parts meet or exceed mil-spec**

MSRP: $39.95

Was:

Now: $34.95

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Radian Weapons

Radian Weapons Talon Ambidextrous Safety Selector - 2 Lever Kit

The Talon Ambidextrous safety selector is an easy way to make your AR15 more user friendly by allowing left and right-handed manipulations. It is important to be able to manipulate your rifle from multiple positions and this selector switch adds the...

MSRP: $69.95

Was:

Now: $64.95

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