AR-15 Lower Parts

Shop online for great deals on AR15 Lower Parts kits and lower receiver parts. Whether you’re looking for buffer tubes, enhanced AR-15 lower parts kits, replacement parts like takedown pins, a new trigger assembly, an ambidextrous safety selector, or lower receiver parts kits that have everything you need for a complete build kit, you’ve come to the right place! Save big today on all of the AR15 parts and gun parts you need to upgrade or complete your build.image

ar 15 lower parts kit standard mil spec grande 600x360 1

AR-15 Lower Parts for sale

opplanet aero precision m5 308 rifle buffer kit black aprh100248 main 1
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Aero Precision

Aero Precision M5 .308 Rifle Buffer Kit

$76.99
opplanet tippmann arms m4 22 bolt catch black af01320 main
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Tippmann Arms

Tippmann Arms M4-22 Bolt Catch

$25.99
opplanet tacfire mar04455 heavy buffer 9mm luger 5 5 oz black aluminum main
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Out of stock

TacFire

TacFire MAR04455 Heavy Buffer 9mm Luger 5.5 Oz Black Aluminum

$268.99
opplanet bcm gfgmod 3 fde pistol grip mod 3
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Bravo Company MFG

Bravo Company MFG Pistol Grip Mod 3 Foliage Green Fits Ar-15

$17.95
opplanet angstadt arms 8oz 45 acp buffer kit w spring medium black aa45bufkit main 1
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Angstadt Arms

Angstadt Arms Buffer Kit w/ Spring

$67.99
opplanet battle arms development enhanced pivot takedown pin set bad eps main
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Battle Arms Development

Battle Arms Development AR-15/AR-10 Enhanced Pivot/Takedown Pin Set

$29.99
opplanet ghost firearms complete upper receiver pistol lower parts kit 5 56mm 223 10 5 inch carbine length 4150 chrome moly steel barrel 1 7 twist 9 inch m lok free float hand guard main 2
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Ghost Firearms

Ghost Firearms Upper Receiver, Pistol Lower Parts Kit, 5.56mm/.223, 10.5in, Carbine , Moly Barrel, 1-7 Twist, 9in M-LOK Free Float Hand Guard, A2…

$413.99
opplanet mdt buffer tube for carbine stocks collapsible mil spec 100567 blk main
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MDT

MDT A2 Rifle Length Buffer Tube

$43.99
opplanet luth ar 308 buffer assembly package carbine commercial 308 c bap main
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Luth-AR

Luth-AR .308 Buffer Assembly

$75.15
opplanet guntec usa ar 15 gen 1 pistol buffer tube w foam ar pis foam main
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Guntec USA

Guntec USA AR-15 Gen 1 Pistol Buffer Tube

$49.99
opplanet aim sports inc castle nut ar arcn main
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AIM Sports Inc

AIM Sports Inc AR Castle Nut

$7.99
opplanet spikes tactical latch plate mil spec receiver end plate sla501l main
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Spikes Tactical

Spikes Tactical Mil-Spec Latch Plate

$3.56
opplanet q balanced bolt catch ar 15 honeybadger black oversized accbbc main
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Q

Q Balanced Bolt Catch

$35.49
opplanet next level armament ascend ar10 enhanced take down pivot pin set black asc208 main
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Next Level Armament

Next Level Armament Ascend AR-15 Enhanced Take Down/Pivot Pin Set

$33.99
opplanet tacfire ar15 pistol grip hinged door bottom black pgar b main
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TacFire

Tacfire AR15 Pistol Grips, Hinged Door Bottom

$17.49
opplanet hog 15026 ar15 fg grip purple
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Hogue

HOG 15026 AR15 FG GRIP PURPLE

$29.99
opplanet tiger rock six position mil spec buffer tube kit ar 15 m4 black small st007m main
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Tiger Rock

Tiger Rock AR-15 M4 Six Position Mil-Spec Buffer Tube Kit

$43.99
opplanet opticsplanet exclusive volquartsen firearms automatic bolt release and bolt tune up kit bundle for ruger 10 22 black silver vf10b01 main
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Volquartsen Firearms

Volquartsen Firearms OpticsPlanet Exclusive Ruger 10/22 Automatic Bolt Release and Bolt Tune-Up Kit Bundle

$257.00
opplanet q short stock 9mm buffer black acc shorty stock 9mm buffer main
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Q

Q Short Stock 9MM Buffer

$75.00
opplanet at3 tactical castle nut for ar 15 buffer tubes black at3 castle 01 main
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AT3 Tactical

AT3 Tactical Castle Nut for AR-15 Buffer Tubes

$3.99
opplanet ghost firearms complete upper receiver pistol lower parts kit 9mm 7 5 inch pistol length 4150 chrome moly steel barrel 1 10 twist 7 inch m lok rail a2 flash hider burnt main
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Ghost Firearms

Ghost Firearms Complete Upper Receiver, Pistol Lower Parts Kit, 9mm, 7.5in, Pistol , 4150 Chrome Moly Steel Barrel, 1-10 Twist, 7in M-LOK Rail, A2…

$649.99
opplanet ergo ar 15 supergrip tactical delux grip w palm shelf dark earth 4056 de main
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ERGO

ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf

$51.99
opplanet hogue ar15 m16 kit ovrmld clp btstk fits comm buffer tube black rub 15055 main
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Hogue

Hogue AR-15/M16 Kit – Grooved Beavertail Grip & Collapsible Buttstock for Commercial Buffer Tubes

$59.46
opplanet ezr grips ar15 ar10 rifle grip dark earth no finger
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EZR Grips

Ezr Grips Ar15/ar10 Rifle Grip Dark Earth No Finger Index

$19.99

AR-15 Lower Parts In Stock

With ar15lowerpartsusa.com AR-15 lower parts, you can build or personalize your AR-15 lower receiver to your exact specifications. Browse our collection of triggers, stocks, furniture, and much more to create your perfect AR-15 today. All our branded AR lower parts are American-made and feature our full lifetime warranty.