Trending AR-15 Parts
The most popular AR-15 parts this week, ranked by builder interest.
Updated · ranked by real data
AR-15 Parts: most added in October 2026
The parts builders added most in October 2026, ranked from every build on GunPartPicker.
- 1.Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002Smith & Wesson · Lower Receiver
- 2.Geissele Automatics AR-15 SSA-E X Lightning Bow TriggerGeissele · Trigger
- 3.Bravo Company M16 Bolt Carrier Group BlackBravo Company · Bolt Carrier Group
- 4.Radian Raptor Charging Handle & Talon Safety Selector Combo - OD GreenRadian · Charging Handle
- 5.CMMG AR-15 HD Pivot and Takedown Pin Parts KIT - 55AFF3BCMMG · Takedown Pin
- 6.PSA AR-15 Complete Lower Magpul MOE EPT Edition - Flat Dark Earth, No MagazinePalmetto State Armory · Lower Receiver
- 7.Wilson Combat AR-15 Lower Receiver ForgedWilson Combat · Lower Receiver
- 8.EOTECH 3x30.5mm X 21.6mm Holographic Hybrid Green Dot Sight - HHSGRNEOTech · Optic
- 9.Radian Raptor Slim Line Ambidextrous AR-15 Charging Handle - BlackRadian · Charging Handle
- 10.Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBKStrike Industries · Magazine Release
Updated · counts come from real builds on GunPartPicker
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.
Lower Receiver
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002
$339.20
Trigger
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
$335.00
Lower Receiver
PSA AR-15 Complete Lower Magpul MOE EPT Edition - Flat Dark Earth, No Magazine
$179.99
Bolt Carrier Group
Bravo Company M16 Bolt Carrier Group Black
$199.00
Charging Handle
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
$154.95
Charging Handle
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black
$44.95
Optic
Eotech 3x30.5mm x 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN
$1289.00
Charging Handle
Radian Raptor Slim Line Ambidextrous Ar-15 Charging Handle - Black
$94.99
Lower Receiver
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
$284.95
Bolt Carrier Group
PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
$89.99
Safety
Phase 5 Tactical Ar-15 90 Degree Ambi Safety Selector Black
$49.99
Upper Receiver
Mk16 Urg-I Complete Upper Receivers 5.56mm - Mk16 11.5" Urgi Upper Chf Barrel, Ach, Rebcg 5.56mm Ddc
$1479.99
Magazine Release
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
$37.95
Takedown Pin
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
$15.99
Trigger
Geissele Automatics Llc Ar-15 Ssa X Lightning Bow Trigger
$335.00
Stock & Brace
Magpul Ar-15 Moe Stock Collapsible Mil-Spec Blk
$33.99
Trigger
Rise Armament Advanced Performance Trigger, Red - RA-535-RED-ARP
$159.13
Upper Receiver
Bravo Company Manufacturing 5.56 Nato Mid-Length Bhf Ar-15 Barreled Upper - Mcmr-15 - 16"
$880.95
Foregrip
Magpul AFG-2 Angled Fore Grip - Black
$23.99
Muzzle Device
Huxwrx 556 Qd Flash Hider - 1/2x28
$129.00
Lower Receiver
PSA AR-15 Blem "Stealth" Stripped Lower Receiver
$69.99
Upper Receiver
PSA AR-15 Upper 5.56 16" Mid-Length Nitride 13.5" M-Lok - 5165448513
$219.99
Stock & Brace
Hera Arms AR-15 CQR Mil-Spec Buttstock
$119.00
Barrel
Faxon Firearms 11.5" Gunner 5.56 Nato Mid-Length
$143.99
Lower Receiver
Radian Weapons ADAC-15 Stripped Lower Receiver - Gray, .223 Remington/5.56x45mm, Premium Quality for Reliable and Accurate AR Builds - R0388
$514.95
Suppressor
SilencerCo Velos LBP 556 Rifle Suppressor, Black
$997.90
Buffer Tube Assembly
Geissele Automatics Premium Mil-Spec Buffer Tube Assembly With Super 42 H2 - Ddc
$146.49
Bolt Carrier Group
Cryptic Coatings 5.56 Nato Ar-15 Bolt Carrier Group - Mystic Bronze
$217.99
Charging Handle
Radian Weapons Ar-15 Raptor-Sd Ambidextrous Charging Handle Od Green
$116.49
End Plate
Radian Weapons Ultralight AR15 QD Endplate Black
$39.95
Pistol Grip
Timber Creek Enforcer AR Pistol Grip, Black - E ARPG BLK
$79.99
Suppressor
Mask 22 Long Rifle Rimfire Direct Thread Suppressor FDE
$439.00
Light
Streamlight ProTac Rail Mount HL-X Laser 1000 Lumen Weapon Light with Tape Switch - CR123A
$160.22
Bolt Catch
Strike Industries Extended Bolt Catch
$11.21
Bolt Carrier Group
Wilson Combat M16 Bolt Carrier Assy 5.56 Nato Polished Blk Nitride
$150.49
Magazine Release
CMMG AR15 Ambi Mag Catch, Black - 55AFF6E
$29.75
Pistol Grip
Wilson Combat Ar-15 Starburst Gunfighter Pistol Grip Black
$25.32
Gas Block
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
$32.99
Foregrip
Fortis SHIFT Vertical Grip - M-LOK
$56.95
Lower Receiver
Daniel Defense DDM4 Complete AR-15 Lower Receiver with Ambidextrous Safety
$479.99
Trigger
Rise Armament Super Sporting Ar15/10 Single Stage Trigger - Flat - Dtom Special Edition
$108.09
Trigger Guard
B5 Systems Trigger Guard ATG-001-01
$12.14
Stock & Brace
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
$82.00
Upper Receiver
Geissele Automatics Llc Ar-15 16 Super Duty Stripped Upper Receiver Ddc
$1150.00
Lower Receiver
Ar-15 Stripped Super Duty Receiver Sets - Ar-15 Stripped Super Duty Receiver Set Black
$350.00
Safety
Timber Creek Outdoors Ambidextrous Safety Selector - Black
$20.00
Iron Sights
Magpul MBUS Gen 3 Folding Rear Sight, Black - MAG1167-BLK
$37.99
Suppressor
Dead Air Nomad Ti XC Direct Thread Rifle Suppressor - FDE
$902.87
Bolt Catch
Geissele Automatics Llc Ar-15 Maritime Bolt Catch Steel Black
$28.08
Pistol Grip
B5 Systems Type 22 P-Grip - Black
$11.94
Stock & Brace
Magpul DT Carbine Stock - Mil-Spec - FDE - MAG1377-FDE
$55.76
Stock & Brace
Strike Industries FSA Single Folding Stock Black - Compact and Reliable Folding Stock for Tactical Mobility - SI-FSA-S-STOCK
$159.95
Lower Receiver
Anderson No Logo Complete Lower Receiver - No Stock
$149.95
Trigger
LaRue Tactical MBT-2S Two-Stage AR-15 Trigger - Curved
$109.50
Takedown Pin
Strike Industries Ar-15 Ultra Light Pivot / Takedown Pins - Fde
$15.95
Forward Assist
Cmmg Ar-15 Forward Assist Kit
$15.25
Gas Tube
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
$14.40
Barrel
Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 9X1910M50B984NFR
$63.61
Iron Sights
NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC
$49.31
Trigger
Rise Armament Ra-524 Blitz Performance Trigger Drop-In
$131.25
Lower Receiver
Griffin Armament MK2 Ambi Stripped AR-15 Lower Receiver - Ambidextrous Controls - Flared Magwell - Anodized Black - MK2AL
$202.21
Upper Receiver
Tacfire 7" Complete Upper Assembly 5.56x45mm 1:8, Black - BU-556-7
$279.99
Stock & Brace
B5 Systems Ar-15 Enhanced Sopmod Stock Collapsible Mil-Spec Blk
$55.85
End Plate
BRAVO COMPANY AR15/M16 QD Receiver End Plate (BCM-EPM4-QD)
$16.95
Takedown Pin
Strike Industries Extended Pivot / Takedown Pins - Black
$14.95
Foregrip
Magpul M-LOK Handstop Kit - Black
$16.99
Optic Mount
Weaver Multi-Slot Base - 48400
$15.82
Light
Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch
$119.99
Optic
EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN
$579.99
Trigger Guard
Magpul Ar-15 Moe Enhanced Trigger Guard Fde
$7.93
Handguard
Aero Precision Enhanced MLOK Handguard Gen 2 Black 15" AR15
$159.99
Charging Handle
Geissele Automatics Llc Ar-15/m16 Super Charging Handle, Ddc
$103.99
Upper Receiver
M4 5.56 Complete Monolithic Upper Receiver Groups - M4 Le6943 Upper Group 11.5in With Bcg And Sights
$1229.00
Barrel
Ballistic Advantage Ar-15 Modern Series 11.5 Carbine Barrel Gov't
$117.80
Stock & Brace
Magpul DT-PR Carbine Stock Black - Tactical DT-PR Carbine Stock for Optimal Shooting Performance and Durability - MAG1447-BLK
$47.99
Foregrip
Daniel Defense M-LOK Vertical Foregrip Mil-Spec+ - FDE
$35.00
Suppressor
POLITE SOCIETY Fortitude 5.56 HD Inconel Silencer
$600.00
Handguard
Midwest Industries Suppressor Series M-Lok Ar-15 Handguard - 10.5"
$173.95
Pistol Grip
Magpul Moe K2 Grip Polymer Gray
$14.97
Lower Receiver
Anderson Manufacturing Closed Trigger AR15-A3 Lower Receiver AR15-A3-LWFORUM
$39.99
Trigger
Geissele Automatics Super Semi-Automatic Enhanced SSA-E Two Stage AR-15 Trigger .154"
$213.01
Magazine Release
Strike Industries Ambi Ar-15 Magazine Release - Fde
$36.99
Bolt Catch
Phase 5 Version 2 Extended Bolt Release, 2.15" - EBRV2
$60.99
Handguard
Leapers UTG Pro 7.28" AR-15/M4 Car Length Drop-in Quad Rail w/ Extension - MTU001T
$59.97
Lower Receiver
Wilson Combat Wc-15 Billet Lower Receiver
Safety
Radian Weapons Talon Ambidextrous Safety Selector 2-Lever Kit - Radian Grey
$64.99
Barrel
Sons of Liberty Gun Works AR-15 Liberty Fighting .223 Wylde Threaded AR Barrel 11.5 inch Medium Carbine Length 1-7 Twist 1/2x28 Phosphate Black
$232.02
Pistol Grip
Bravo Company Mfg Mod 1 Pistol Grip for AR-15 Rifle, Black - GFGMOD1BLK
$17.95
Laser
Steiner Optics DBAL-D2 Dual Beam Aiming Laser with IR LED Illuminator - Black
$1676.22
Lower Receiver
Aero Precision M4E1 PRO Stripped Lower Receiver, Ambidextrous Controls - Anodized Black - APAR600030AC
$299.99
Stock & Brace
B5 Systems Ar-15 Sopmod Bravo Stock Collapsible Mil-Spec Blk
$32.58
Trigger
Rise Armament Ra-140 Rave Super Sporting Trigger Drop-in Curved
$99.00
Foregrip
Magpul RVG Rail Vertical Grip - Black
$17.81
Stock & Brace
Cheek Riser for Dual Folding Adapter
$29.95
Stock & Brace
Magpul Ar-15 Ctr Stock Collapsible Mil-Spec Blk
$54.51
Light
SureFire X300-A Turbo Weapon Light - 650 Lumens - Tan
$323.99
Buffer Tube Assembly
Bravo Company Manufacturing Mil-Spec Carbine Stock Hardware Kit
$57.95
Lower Receiver
Lmt Mars-Ls Pdw Complete Ambidextrous Ar-15 Lower Receiver
$990.00
Upper Receiver
Ar-15 Super Duty Mod1 5.56x45 Nato Complete Upper Receiver - Ar-15 Super Duty Mod1 5.56x45 11.5" Bbl Complete Upper Ddc
$1314.99
Iron Sights
Magpul MBUS Gen 3 Folding Rear Sight, FDE - MAG1167-FDE
$37.99