Individual Lower Parts/ Small Parts
In this arsenal of AR-15 individual lower parts and small components lies the intricate backbone of firearm customization and maintenance. Each piece, from springs to detents, plungers to buffer pins, embodies precision engineering and reliability, ensuring your rifle operates at its peak performance. Dive into this meticulous array of components, and you'll discover not just mere parts, but the essence of craftsmanship that enthusiasts and marksmen alike rely on to fine-tune their firearms to perfection. Whether you're a seasoned gunsmith seeking specific upgrades or a newcomer exploring the intricacies of firearm assembly, this collection offers an immersive journey into the heart of AR-15 customization, where every detail matters, and every part plays a crucial role in shaping your shooting experience.
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A1armory AR15 Hammer Spring
$1.79AR Platform Hammer Spring Title: A1armory USA-Made MIL-SPEC AR-15/M16 Hammer Spring: Elevate Your Firearm's Performance Features: Precision-crafted in the USA to meet MIL-SPEC standards,...$1.79 -
AR10 / AR15 Disconnector
MSRP: $5.25$4.04AR-15 Disconnector Upgrade your AR-15 or AR-10 platform with the A1Armory AR-15 Disconnector — engineered for precision, durability, and smooth operation. Whether you're building a new rifle or replacing a worn...MSRP: $5.25$4.04 -
A1armory AR15 Takedown/Pivot Pin Detent Set
MSRP: $1.99$1.79AR-15 Pivot Pin & Takedown Pin Detents Perfect for replacing lost parts or preparing for future builds, these AR-15 Pivot Pin & Takedown Pin Detents are a must-have for any serious gunsmith, armorer, or enthusiast...MSRP: $1.99$1.79 -
AR15 Takedown/Pivot Springs & Detents Set
MSRP: $6.99$2.69AR-15 Takedown / Pivot springs & Detent Pins Ensure the reliable function of your AR-15’s takedown and pivot pins with this high-quality Mil-Spec Takedown / Pivot Springs & Detent Pin Set. Perfect for builders,...MSRP: $6.99$2.69 -
10 Pack AR15 Mil-Spec Disconnect Spring
$6.98A1armory AR15 Mil-Spec Disconnect Springs 10 in a pack Mil-Spec Standard power Made in America$6.98 -
10 Pack AR-15 Buffer Retaining Spring
$3.8310 Pack A1armory Buffer Retaining Springs Introducing the 10 Pack A1armory Buffer Retaining Springs, designed for both new builds and as reliable replacements for worn-out parts. Crafted with precision and engineered to exacting...$3.83 -
10 Pack AR15 Bolt Catch Springs
$6.98AR-15 Platform Mil-Spec Bolt Catch Springs Manufactured to milspec dimensions For use on M16, AR15, and AR10, style firearms 100% USA Made Comes in pack of 10$6.98 -
10 Pack AR15 Bolt Catch Roll Pins
$5.39AR-15 Bolt Catch Roll Pin 10 Pack Upgrade or maintain your AR-15 with confidence using this high-quality 10-pack of AR-15 Bolt Catch Roll Pins. Whether you're building a rifle from the ground up or replacing worn parts, these pins ensure...$5.39 -
2 Knurled Gas Block Set Screw
MSRP: $2.99$1.702 AR15 Knurled Gas Block Set Screws Upgrade your AR-15’s gas system with A1Armory’s Knurled Gas Block Set Screws, designed for reliable performance and secure fitment. Proudly made in the USA, these set screws deliver the...MSRP: $2.99$1.70 -
AR15 1/2in Black Crush Washer
$1.791/2in Black Or Stainless Steel Crush Washers Product Description: Ensure optimal performance and longevity for your AR15 threaded barrel with our premium 1/2 inch crush washers, designed to be used behind flash hiders or...$1.79 -
AR-15/AR-10 Pistol Grip Bolt/Star Lock Washer
MSRP: $1.99$0.89AR-15 / AR-10 Hex Head Pistol Grip Bolt Set Use for a new build or as a replacement for that frustrating OEM flat head screwSteel 1/4x28 x 1" Hex boltSteel Star washerMilitary TypeManufactured in the USALimited Lifetime WarrantyMay come in...MSRP: $1.99$0.89 -
Vibra-Tite Medium Strength Threadlocker
$2.48Vibra-Tite 2 ml thread locker tube- Medium Strength Medium Strength is the perfect kind for your Firearm hardware FEATURES: Versatile Medium Strength Formula: Vibra-Tite Medium Strength is a reliable...$2.48 -
AR15 Accu Wedge 5 Pack
$9.00A1Armory Accu-wedge 5 pack Tighten Up Your AR – Enhance Accuracy & Reliability Eliminate the play between your upper and lower receivers with the Accu Wedge 5-Pack – your cost-effective solution to increasing the...$9.00 -
On Sale
AR15 Trigger Guard Kit
Now: $0.89Was: $3.50AR15 Mil-Spec Trigger Guard Our trigger guard assemblies are manufactured from 7075-T6 aluminum, precision machined, and then anodized and assembled. Features: Billet 7075 construction Comes assembled with spring and...Now: $0.89Was: $3.50 -
AR-15 Billet Aluminum Trigger Guard Kit
$8.09AR-15 Billet Aluminum Trigger Guard Kit - Upgrade your AR-15 or AR-10 platform with precision, comfort, and style. Our Billet Aluminum Trigger Guard Kit is engineered for shooters who demand both function and finesse...$8.09 -
AR15 Magazine Catch Kit
$6.29AR-15 Magazine Catch Kit Upgrade your AR-15 with our precision-crafted AR-15 Magazine Catch Kit, engineered for durability, seamless functionality, and mil-spec compatibility. Whether you're building a rifle or replacing...$6.29 -
AR15 Pin and Detent Kit
$11.48AR-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...$11.48 -
A1Armory AR15 Lost Parts Kit
$15.26AR-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...$15.26 -
AR10 / AR15 Pivot & Takedown Pin Spring Set
MSRP: $1.99$1.13AR-15 Lower Parts - Pivot & Takedown Pin Spring Set Upgrade your AR platform with our Pivot & Takedown Pin Spring Set, designed for precision fit, long-lasting performance, and seamless compatibility across M16, AR-15, and...MSRP: $1.99$1.13