Explore Precision and Customization: Guns Lower Parts Kit

Extensive collection of gun lower part kits, where precision meets customization to enhance your firearm experience. Whether you’re building your AR-15 or upgrading an existing rifle, our selection of lower-parts kits offers everything you need to fine-tune your firearm to perfection.

Craftsmanship and Quality

Each lower part kit in our inventory is crafted with the utmost attention to detail and quality. We source components from reputable manufacturers known for their precision engineering and durable materials, ensuring that every part meets our stringent standards for performance and reliability.

Customization Options

Take control of your firearm’s performance and aesthetics with our wide customization options. From standard mil-spec kits to premium upgrade packages, we offer a variety of configurations to suit your preferences and shooting style. We have the perfect lower parts kit if you want enhanced ergonomics, improved trigger response or want to add a personal touch to your rifle.

Ease of Installation

Our gun lower parts kits are designed for easy installation, allowing seasoned gun enthusiasts and beginners to customize their firearms confidently. Each kit comes with comprehensive instructions and all the necessary components, making the assembly process straightforward and hassle-free.

Enhanced Performance

Upgrading your firearm with a high-quality lower parts kit can improve performance and reliability on the range or in the field. From smoother trigger pulls to tighter tolerances, our kits are engineered to maximize your firearm’s potential and elevate your shooting experience to new heights.

Whether you’re a seasoned shooter or a first-time builder, our gun lower parts kit selection offers the perfect combination of craftsmanship, customization, and performance. Explore our collection today and unlock the full potential of your firearm with precision-engineered components built to last.

Showing 1–12 of 19 results

ARMASPEC 90 DEGREE FULL THROW AMBIDEXTROUS SAFETY SELECTOR – ARM111

SKU: 516445751c
Original price was: $39.99.Current price is: $36.99.
PRODUCT DETAILS DETAILS Ambidextrous 90 degree safety selector Super crisp lockup Fits AR-15 & AR-10 platforms Available in Blue, Red, FDE,

ARMASPEC ANTI-WALK TRIGGER/HAMMER PINS ‒ ARM136-SS

SKU: 516445770
Original price was: $16.79.Current price is: $14.79.
PRODUCT DETAILS DETAILS Fits: AR 5.56/.223 and AR 7.62/.308 Material: Stainless Steel Made in the USA

CMMG GUNBUILDER LOWER PARTS KIT MK3 – 38CA61A

Original price was: $47.99.Current price is: $42.99.
PRODUCT DETAILS DETAILS Compatibility: AR-10 Finish: Black Included: Bolt Catch Assembly, Magazine Release Assembly, Safety Assembly, Takedown Pins Please note that not all

FAB DEFENSE 7 POSITION VERTICALLY FOLDING FOREGRIP – T-FL-B

SKU: 175400
Original price was: $33.99.Current price is: $28.99.
PRODUCT DETAILS DETAILS Weight: 123 gr Width: 38 mm Height: 110 mm Length: 65 mm Color:  Black

FAB DEFENSE AR-15 RUBBERIZED PISTOL GRIP, BLACK – AGR-43

SKU: 175391
Original price was: $28.99.Current price is: $25.99.
FAB DEFENSE AR-15 RUBBERIZED PISTOL GRIP FOR ONLINE Take control of your weapon with a firmer grip and a more

HIPERFIRE HIPERTOUCH ELITE AR15 TRIGGER ASSEMBLY – HPTE

SKU: 097776
Original price was: $249.00.Current price is: $230.00.
PRODUCT DETAILS DETAILS Model: HiperTouch Elite Platform: AR-15, AR-10 Type: Single-stage semi-auto Style: Curved with Backbone

PSA CUSTOM AR SINGLE-STAGE DROP-IN TRIGGER, CURVED BOW

Original price was: $79.99.Current price is: $69.99.
PSA CUSTOM AR SINGLE-STAGE DROP-IN TRIGGER FOR ONLINE The 3.5-pound PSA CUSTOM AR SINGLE-STAGE DROP-IN TRIGGER uses the highest quality

PSA GEN3 PA10 ESSENTIAL PARTS BUILD KIT

Original price was: $249.99.Current price is: $220.99.
PRODUCT DETAILS DETAILS Manufacturer: Palmetto State Armory Product Line: PA-10 Gen 3 Platform: AR-10 Upper Material: 7075 T6 Aluminum Lower Material: 7075 T6 Aluminum Caliber:  Multi

PSA PA-10 CLASSIC LOWER BUILD KIT

Original price was: $89.99.Current price is: $70.99.
PRODUCT DETAILS DETAILS – Mil-Spec Fire Control Group – Magazine Catch Assembly – Front and Rear Takedown Pins, Springs, and

PSA PA10 .308 BOLT CATCH – 503661

SKU: 503661
Original price was: $9.99.Current price is: $8.99.
PRODUCT DETAILS DETAILS Manufacturer: Palmetto State Armory Product Line: PA-10 Platform: AR-10 Includes: Bolt Catch Finish: Black

PSA PA10 .308 TAKE DOWN PIN – 482660

Original price was: $16.95.Current price is: $14.95.
PRODUCT DETAILS DETAILS Manufacturer: Palmetto State Armory Product Line: PA-10 Platform: AR-10 Includes: AR-10 Take Down Pin Finish: Black

PSA PA10 BOLT CATCH ASSEMBLY – 508014

Original price was: $6.99.Current price is: $5.99.
PRODUCT DETAILS DETAILS Manufacturer: Palmetto State Armory Product Line: PA-10 Platform: AR-10 Includes: PA-10 Bolt Catch Assembly Finish: Black