AR-15 Lower Parts Kits
When you're piecing together your dream AR-15 build, every component matters, right down to the smallest parts. At A1Armory, our AR-15 Lower Parts Kits are meticulously crafted to provide reliability and precision in every shot. These kits feature top-tier components sourced from trusted manufacturers, ensuring that your AR-15 operates smoothly and consistently. Whether you're a seasoned enthusiast or diving into the world of custom builds for the first time, our comprehensive kits make assembly a breeze. From the trigger assembly to the pivot and takedown pins, each part is engineered for durability and performance, so you can trust your rifle in any scenario. Elevate your AR-15 build with A1Armory's Lower Parts Kits and experience the difference quality makes.
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Oops AR Lower Receiver Small Parts Kit
MSRP: $9.99$6.99Oops Lower Receiver Small Parts Kit Introducing our AR-15 Small Parts Kit – the ultimate solution for enthusiasts and gunsmiths alike who know the frustration of losing essential components during maintenance or customization...MSRP: $9.99$6.99 -
AR Partial Lower Parts Kit
MSRP: $6.99$5.99AR-15 Partial Lower Parts Kit Whether you’re upgrading or assembling your AR-15 from the ground up, the AR-15 Partial Lower Parts Kit delivers the essential components you need to build with confidence. Engineered with...MSRP: $6.99$5.99 -
Timber Creek AR-15 Flat Dark Earth Lower Parts Color Kit
MSRP: $64.99$54.95Timber Creek Outdoors Flat Dark Earth Color Enhanced Parts Kit Timber Creek Outdoors Flat Dark Earth Color Enhanced Parts Kit, a premium upgrade package designed to elevate your firearm's performance and aesthetics. Crafted with precision...MSRP: $64.99$54.95 -
Timber Creek AR-15 Tungsten Lower Parts Color Kit
MSRP: $64.99$56.99Timber Creek Outdoors Tungsten Color Enhanced Parts Kit Upgrade your AR-15 with the Timber Creek Outdoors Tungsten Lower Parts Color Kit – a fusion of form and function designed to enhance your...MSRP: $64.99$56.99 -
Timber Creek AR-15 Robins Egg Blue Lower Parts Color Kit
MSRP: $64.99$56.99Timber Creek Outdoors Robins Egg Blue Color Enhanced Parts Kit Timber Creek Outdoors Robins Egg Blue Enhanced Parts Kit – a vibrant fusion of function and flair. Whether you're building a custom...MSRP: $64.99$56.99 -
Timber Creek AR-15 Red Lower Parts Color Kit
MSRP: $64.99$56.99Timber Creek Outdoors Red Color Enhanced Parts Kit Elevate your AR-15 build with the Timber Creek Outdoors RED Lower Enhanced Parts Kit, designed for shooters who demand high performance and standout aesthetics. This premium kit...MSRP: $64.99$56.99 -
Timber Creek AR-15 Purple Lower Parts Color Kit
MSRP: $64.99$56.99Timber Creek Outdoors Purple Color Enhanced Parts Kit Upgrade your AR-15 build with the Timber Creek Outdoors Purple Lower Enhanced Parts Kit – a high-performance, American-made parts kit that combines eye-catching...MSRP: $64.99$56.99 -
Timber Creek AR-15 Orange Lower Parts Color Kit
MSRP: $64.99$54.99Timber Creek Outdoors Orange Color Enhanced Parts Kit Elevate the style and functionality of your AR-15 build with the Timber Creek Outdoors Orange Lower Enhanced Parts Kit. Precision-machined and beautifully...MSRP: $64.99$54.99 -
Timber Creek AR-15 OD Green Lower Parts Color Kit
MSRP: $64.99$54.99Timber Creek Outdoors OD Green Color Enhanced Parts Kit Upgrade your AR-15’s functionality and aesthetics with the Timber Creek Outdoors OD Green Lower Enhanced Parts Kit. Engineered for performance and styled for impact, this...MSRP: $64.99$54.99 -
Timber Creek AR-15 Burnt Bronze Lower Parts Color Kit
MSRP: $64.99$54.99Timber Creek Outdoors Burnt Bronze Color Enhanced Parts Kit Upgrade your AR-15 build with Timber Creek Outdoors' Burnt Bronze Lower Enhanced Parts Kit – a sleek, high-performance upgrade that...MSRP: $64.99$54.99 -
Timber Creek AR-15 Blue Lower Parts Color Kit
MSRP: $64.99$54.99Timber Creek Outdoors Blue Color Enhanced Parts Kit Upgrade your rifle with style and functionality using the Timber Creek Outdoors Blue Lower Enhanced Parts Kit. Precision machined and anodized in a striking...MSRP: $64.99$54.99 -
Guntec AR-15 Anodized Orange Anti-Rotation Trigger/Hammer Pin Set
$29.99Guntec AR-15 Anodized Orange Anti-Rotation Trigger/Hammer Pin Set Upgrade your AR-15’s reliability and style with the Guntec USA Anodized Orange Anti-Rotation Trigger/Hammer Pin Set. Designed to eliminate pin walk and...$29.99 -
AR-15 Mil Spec Buffer Tube Enhanced Lower Parts Kit Combo
$47.99AR-15 Mil Spec Lower Parts Combo Kit Upgrade your AR-15 with this all-in-one combo kit, engineered for durability, performance, and tactical versatility. Ideal for new builds or custom upgrades, this kit includes everything you need...$47.99 -
On Sale
Timber Creek AR-15 Black Lower Parts Color Kit
Now: $58.99Was: $64.99Timber Creek Outdoors Black Color Enhanced Parts Kit Description: Upgrade your AR with the Timber Creek Outdoors Black Color Enhanced Parts Kit, featuring precision-engineered components designed to enhance both functionality and...Now: $58.99Was: $64.99 -
A1Armory 31 piece Lower Parts Kit
$49.95A1Armory AR-15 Lower Parts Kit Upgrade your AR-15 build with confidence using the A1Armory AR-15 31-Piece Lower Parts Kit — a complete, precision-machined solution for builders and enthusiasts who demand performance,...$49.95 -
A1Armory AR-15 Fire Control Group FCG
$29.99A1Armory AR-15 Fire Control Group FCG Material Excellence: The A1Armory AR-15 Fire Control Group is crafted with precision using high-quality materials to ensure exceptional durability and performance. The trigger and hammer are...$29.99 -
Presma 31 Piece AR-15 Lower Parts Kit With FCG
MSRP: $57.99$43.99Presma 31 Piece AR-15 Lower Parts Kit With FCG Build with confidence using the Presma 31 Piece AR-15 Lower Parts Kit—a comprehensive, high-quality set that includes...MSRP: $57.99$43.99 -
Presma 28 Piece AR-15 Lower Parts Kit .223/5.56
MSRP: $44.99$34.99Presma 28 Piece AR-15 Lower Parts Kit [without FCG] Upgrade your AR-15 build with the Presma 28 Piece Lower Parts Kit, a high-performance component set designed for reliability, customization, and precision. This...MSRP: $44.99$34.99 -
AR-15 Mil-Spec Lower Parts Spring Kit
$4.99AR-15 Mil-Spec Lower Parts Spring Kit Upgrade your AR-15 platform with this comprehensive Mil-Spec Lower Parts Spring Kit, built to exacting standards for dependable performance in every condition. Whether you're assembling a new build or...$4.99 -
AR-15 Lower Parts Kit with FCG
MSRP: $59.99$54.99AR-15 FCG Lower Parts Kit Our AR-15 FCG Lower Parts Kit is designed specifically for pistol caliber builds, crafted with precision and pride right here in the USA. Whether you're upgrading or assembling a new lower, this kit delivers...MSRP: $59.99$54.99 -
AR15 Pin and Detent Kit
$12.75AR-15 Phosphate Pin and Detent Kit Upgrade your rifle build with our AR-15 Phosphate Pin and Detent Kit, expertly engineered and proudly manufactured in the USA. Whether you're building from the ground up or need a...$12.75 -
A1Armory AR15 Lost Parts Kit
$16.95AR-15 Lost Parts Kit Never let a lost detent or spring stall your AR-15 build again. The A1Armory AR-15 Lost Parts Kit is a must-have collection of the most commonly misplaced lower receiver components. Crafted to mil-spec standards...$16.95