Trending AR-15 Parts

The most popular AR-15 parts this week, ranked by builder interest.

Most Popular AR-15 Parts This Week

These rankings update every 30 minutes based on what GunPartPicker visitors are actually clicking through to buy — not just browsing. Compare prices and stock status across all our partner merchants in one place, and use the Sort menu to switch between Today's data and the full week or to reorder by price.

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Light

Streamlight TLR 9 FLEX Rail Mount Weapon Light With HIgh/Low Switch - 1000 Lumens

$144.99

.223 Rem

Fiocchi 223HVB50 Extrema .223/5.56 NATO 40 GR V-Max Polymer Tip - 50rd Box

$35.01

.308 Win

Fort Scott Munitions TUI 150 gr Solid Copper .308 Winchester Ammunition - 20 Rounds

$37.99

9mm

CCI Blazer Brass 9mm Ammunition, 115 GR FMJ, Brass Cased, Boxer Primed, Reloadable, Non-Corrosive, Product #5200 - 50 Round Box

$12.99

Optic

EOTech XPS3-0 Holographic Weapon Sight

$658.67

Pistol Grip

Magpul Moe K2+ Grip Polymer Flat Dark Earth

$17.02

.243 Win

Hornady 80462 Precision Hunter 243 Win 90 gr Extremely Low Drag-eXpanding - 20rd Box

$39.97

.300 Win Mag

Hornady, American Whitetail, .300 Winchester Magnum, InterLock SP, 150 Grain, 20 Rounds

$32.99

.223 Rem

Hornady 80269 Match .223/5.56 NATO 73 GR ELD-Match - 20rd Box

$26.50

#10

Trigger

Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"

$201.59

Complete Rifle

Upper Receiver

Handguard

Bolt Carrier Group

Lower Receiver

Trigger

Charging Handle

Pistol Grip

Barrels

Gas System

Furniture

Stock & Buffer Parts

Accessories

Optics

Sights

Rifle — Popular

Rifle — More

Rifle — Specialty

Handgun

Shotgun

Rimfire

Trending AR-15 Parts

Most Popular AR-15 Parts This Week

Streamlight TLR 9 FLEX Rail Mount Weapon Light With HIgh/Low Switch - 1000 Lumens

Fiocchi 223HVB50 Extrema .223/5.56 NATO 40 GR V-Max Polymer Tip - 50rd Box

Fort Scott Munitions TUI 150 gr Solid Copper .308 Winchester Ammunition - 20 Rounds

CCI Blazer Brass 9mm Ammunition, 115 GR FMJ, Brass Cased, Boxer Primed, Reloadable, Non-Corrosive, Product #5200 - 50 Round Box

EOTech XPS3-0 Holographic Weapon Sight

Magpul Moe K2+ Grip Polymer Flat Dark Earth

Hornady 80462 Precision Hunter 243 Win 90 gr Extremely Low Drag-eXpanding - 20rd Box

Hornady, American Whitetail, .300 Winchester Magnum, InterLock SP, 150 Grain, 20 Rounds

Hornady 80269 Match .223/5.56 NATO 73 GR ELD-Match - 20rd Box

Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"

Hornady 8230 Boat Tail Hollow Point 338 Lapua Magnum Boat Tail Hollow Point 250 GR - 20rd Box

Hornady Superformance, .300 Win. Mag., CX, 165 Grain, 20 Rounds

EOTECH EXPS3-2 Holographic Weapon Sight

Dead Air Sierra 5 Rifle Suppressor & KeyMo Mount Kit

Remington Ammunition R444M High Performance 444 Marlin 240 GR Core-Lokt Soft Point - 20rd Box

Remington Ammunition RM308W7 Premier Match 308 Winchester/7.62 NATO 168 GR Hollow Point Boat Tail - 20rd Box

Hornady 80920 Critical Defense FTX 308 Winchester 155 GR Flex Tip Expanding - 20rd Box

PMC 38G Bronze 38 Special Target 132 GR Full Metal Jacket - Brass, Boxer, Re-loadable - 50rd Box

Spikes Tactical .223/5.56 Bolt/carrier, Phosphate Finish

Federal V243VM75 Standard Varmint & Predator 243 Win 75 gr Hornady V-Max (VMX) - 20rd Box

B5 Systems Type 22 P-Grip - Coyote Brown

Hornady Varmint Express, 6mm Creedmoor, V-MAX, 87 Grain, 20 Rounds

Hornady 81263 Black 5.56x45mm NATO 62 gr Full Metal Jacket (FMJ) - 20rd Box

Federal AE9SJ2 American Eagle Syntech 9mm Luger 124 GR Total Synthetic Jacket (TSJ) - 50rd Box

Hornady BLACK, 5.56x45mm NATO, Interlock HD SBR, 75 Grain, 20 Rounds

Federal 243AS Power-Shok 243 Winchester 80 GR Jacketed Soft Point - 20rd Box

Federal AE9DP100 American Eagle 9mm Luger 115 gr Full Metal Jacket (FMJ) - 100rd Box

CMMG AR-15 Carbine Buffer Assembly - 55CA977

PMC 223XM X Tac Match 223 Remington 77 GR Open Tip Match OTM 20 Bx 40 Cs

Federal P357SHC1 Premium Hunting 357 Mag 180 gr Solid Core Synthetic - 20rd Box

EOTECH 512-0 Holographic Weapon Sight

Hornady, American Whitetail, .270 Winchester, Interlock SP, 140 Grain, 20 Rounds

SureFire 3 Prong Eliminator 5.56 Flash Hider - 1/2x28

Hornady 8108 American Whitetail 30-06 Springfield 150 gr InterLock Spire Point - 20rd Box

SB Tactical SBM4 AR Pistol Stabilizing Brace W/ SBT Logo, Black - SBM4-01-SB

PMC 45A Bronze 45 ACP Target 230 GR FMJ Brass, Boxer, N/C, Re-loadable - 50 Round Box

Federal Gold Medal 7mm Backcountry 168gr Barnes LRX Copper Peak Alloy Case 20rd – P7BCLRX1

360 Buckhammer 180gr Soft Point 20/Box

USA White Box 5.56mm NATO 55gr Full Metal Jacket 20/Box

Liberty LA-CD-38-025 Civil Defense 38 Special LF Fragmenting HP 50 GR 20Bx - 20rd Box

Hornady 90900 Critical Defense 45 ACP 185 GR Flex Tip Expanding - 20rd Box

Federal AE223G American Eagle .223/5.56 NATO 50 GR Jacketed Hollow Point - 20rd Box

EOTech G45 Magnifier, 5X, No Mount, Matte Finish, Black - G45NM

Hornady Superformance, 7mm Remington Magnum, SST, 162 Grain, 20 Rounds

Federal Premium 170 gr Terminal Ascent 7mm Backcountry Ammunition - 20 Rounds

Hornady 90311 Critical Defense 38 Special +P 110 GR Flex Tip Expanding - 25rd Box

Trophy Bonded Tip, 30-06 Springfield, 165 Grain, Trophy Bonded Tip, 2800 fps

Holosun HE509T Green Dot Sight With Shake Awake, Black - HE509T-GR

SilencerCo Osprey 9 2.0 Suppressor

Holosun ARO Red Dot Sight Gold 2 MOA Dot with Picatinny Mount Matte Black

Daniel Defense DD5 V3 .308 Win/7.62 Semi-Automatic AR-10 Rifle - 02-157-07258-047

Hornady Subsonic, .450 Bushmaster, Sub-X HP, 395 Grain, 20 Rounds

Fiocchi 357F Shooting Dynamics 357 Magnum 142 GR Full Metal Jacket Truncated Cone - 50rd Box

Federal AE223 American Eagle .223/5.56 NATO 55 GR Full Metal Jacket Boat Tail - 20rd Box

Winchester Ammo XU20H8 Super-X Heavy Game Load 20GA 2.75" 1oz #8 Shot - 25sh Box

Magpul DT Carbine Stock - Mil-Spec - ODG - MAG1377-ODG

Hornady American Whitetail 450 Bushmaster 245gr InterLock SP Brass Case 20 Rounds