Most Popular AR-15 Optic Mounts, September 2026

The optic mounts builders picked most for their AR-15 builds in September 2026. Weaver Multi-Slot Base - 48400 led the slot with 37.3% of all optic mount picks. Many different optic mounts were picked, so this ranks what people chose, not what we stock.

From the GunPartPicker build log · recomputed every 6 hours · updated 2026-10-11

What builders picked in September 2026

#	optic mount	Share	Paid	vs August 2026
1	WeaverWeaver Multi-Slot Base - 48400	37.3%	$15.09	held
2	GeisseleGeissele Automatics Super Precision AR-15/M4 30mm 7075 T6 Aluminum Extended Scope Mount, Hardcoat Anodized Black - 05381B	9.4%	$267.29	held
3	DNZDNZ Game Reaper Thompson Center Encore/Omega 1 inch High Aluminum Precisioned 1-Piece Scope Tube, Matte Black - 10004	3.1%	$57.79	held
4	ReptiliaReptilia DOT Mount, 1.93" Optical Axis Height, Fits Trijicon MRO, Anodized Flat Dark Earth	2.8%	$98.96	up 1
5	Unity TacticalUnity Tactical FAST Magnifier Mount 2.26" Optical Heightck - FSTOMB	2.4%	$245.42	up 6
6	TalleyTalley High Scope Mount 30mm Tube 0.71"/0.64" - HC750735	2.1%	$69.99	down 3
6	Unity TacticalUnity Tactical Fast MRDS Optic Riser Mount 1.50" Picatinny Rail - Enhanced Optic Stability - FST-MRDF	2.1%	$113.38	new
6	Unity TacticalUnity Tactical FAST Optic Riser Black Picatinny FST-ORB	2.1%	$90.00	up 8
9	TrijiconTrijicon Q-LOC QD Cantilever Mount 1.535" Height, fits 34mm Optic Tube - AC22038	1.7%	$236.54	up 9
9	WarneWarne Scope Mounts Vapor MSR Mount 1" Tube Picatinny Rail - V4001M	1.7%	$54.36	up 2

Share is of every optic mount pick that month. Paid is the median price shown at the moment builders selected the part, not today's price.

What moved since August 2026

Picks in this slot ran down 22% on August 2026.

Gaining share

Weaver Multi-Slot Base - 48400+4.5 pts37.3% of picks, holding #1
Geissele Automatics Super Precision AR-15/M4 30mm 7075 T6 Aluminum Extended Scope Mount, Hardcoat Anodized Black - 05381B+2.9 pts9.4% of picks, holding #2

What builders pay for an optic mount

Median $60, with half of all picks between $15 and $181. These are the prices shown at the moment each part went into a build in September 2026, so they reflect what people actually chose to spend rather than what the catalog averages.

Budget end: $15; 25th percentile
Median: $60; typical pick
Upper end: $181; 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 optic mount slot in September 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 optic mount?

Weaver Multi-Slot Base - 48400 was picked most in September 2026, taking 37.3% of all optic mount picks on GunPartPicker that month. It ranked 1st in August 2026.

How much do builders spend on an AR-15 optic mount?

The median price at the moment of selection was $60 in September 2026. Half of all picks fell between $15 and $181.

How concentrated is this slot?

Many different optic mounts were picked in September 2026, and the top 10 took 64.7% of all picks between them. The mount sets optic height over bore, and a mismatched one ruins a good sight.

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.

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