Most Popular AR-15 Lower Receivers, October 2026
The lower receivers builders picked most for their AR-15 builds so far in October 2026. Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002 led the slot with 11.5% of all lower receiver picks. Hundreds of different lower receivers were picked, so this ranks what people chose, not what we stock.
From the GunPartPicker build log · recomputed every 6 hours ·
What builders picked so far in October 2026
| # | lower receiver | Share |
|---|---|---|
| 1 | 11.5% | |
| 2 | Wilson CombatWilson Combat AR-15 Lower Receiver Forged | 8.3% |
| 3 | Palmetto State ArmoryPSA AR-15 Complete Lower Magpul MOE EPT Edition - Flat Dark Earth, No Magazine | 5.7% |
| 4 | 4.3% | |
| 5 | Palmetto State ArmoryPSA AR-15 Blem "Stealth" Stripped Lower Receiver | 2.7% |
| 6 | Lewis Machine & ToolLMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver | 2.6% |
| 7 | Smith & WessonSmith & Wesson Sw M&P15 Stripped Lower Receiver 5.56mm | 2.4% |
| 8 | 2.3% | |
| 9 | 2.2% | |
| 9 | Palmetto State ArmoryPSA Stealth AR-15 Complete Lower Magpul MOE Edition No Mag - 5165500387 | 2.2% |
Share is of every lower receiver pick that month. Paid is the median price shown at the moment builders selected the part, not today's price.
What moved since September 2026
Picks in this slot ran down 60% on September 2026, with this month still running.
- Wilson Combat AR-15 Lower Receiver Forged+1.5 pts8.3% of picks, holding #2
- PSA GEN3 PA10 Forged Complete MOE EPT SBA4 .308 Lower With Over Molded Grip+1.1 pts1.7% of picks, #25 to #12
- PSA GEN3 PA10 .308 Complete A2 EPT Rifle Lower With Over Molded Grip+0.8 pts0.9% of picks, #89 to #17
- Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11-1.1 pts4.3% of picks, holding #4
- Radian Weapons ADAC-15 Stripped Lower Receiver - Gray, .223 Remington/5.56x45mm, Premium Quality for Reliable and Accurate AR Builds - R0388-1.0 pts1.5% of picks, #10 to #13
- LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiver-1.0 pts1.5% of picks, #9 to #13
What builders pay for a lower receiver
Median $220, with half of all picks between $130 and $285. These are the prices shown at the moment each part went into a build in October 2026, so they reflect what people actually chose to spend rather than what the catalog averages.
- Budget end
- $130
- 25th percentile
- Median
- $220
- typical pick
- Upper end
- $285
- 75th percentile
How we know
GunPartPicker records the part, the slot and the price every time someone adds a component to a build. This page ranks those picks in the lower receiver slot so far in October 2026. Nothing here is editorial and nothing can be paid for: a part ranks because people chose it.
Common questions
What is the most popular AR-15 lower receiver?
Smith & Wesson M&P15 Complete Lower 5.56x45mm/.223 Remington, Black - 812002 was picked most in October 2026, taking 11.5% of all lower receiver picks on GunPartPicker that month. It ranked 1st in September 2026.
How much do builders spend on an AR-15 lower receiver?
The median price at the moment of selection was $220 in October 2026. Half of all picks fell between $130 and $285.
How concentrated is this slot?
Hundreds of different lower receivers were picked in October 2026, and the top 10 took 44.2% of all picks between them. The lower receiver is the serialized part of an AR-15, so it is the one component bought through an FFL.
Where does this data come from?
Every pick counted here is a part someone added to a build on GunPartPicker. It is not a sales ranking, an editor's list or a sponsored placement, and nothing on this page can be bought into. The numbers are recomputed from the build log every six hours.