Primary Arms · Updated July 2026

Primary Arms GLx 4-16x50 FFP: price & specs

Name: Primary Arms GLx 4-16x50 FFP
Brand: Primary Arms
Price: 699.99 USD
Availability: InStock

The Primary Arms GLx 4-16x50 FFP costs $699.99, #2 cheapest of 8 rifle scopes (median $2550). It earns a Platinum Deskmark — 98/100 pay-blind standing, #1 of 8 in class.

Verified Jul 11, 2026 · figures linked to their source in the table below

See Primary Arms GLx 4-16x50 FFP on Amazon Recorded 2026-07-11 — live price may differ. As an Amazon Associate we earn from qualifying purchases.

Primary Arms GLx 4-16x50 FFP. Every price and spec below is linked to its source and dated — no guesses.

Source: primaryarmsoptics.com verified 2026-07-11 ✓ corroborated verify in ledger

Primary Arms GLx 4-16x50 FFP — Primary Arms — Image: ar15discounts.com (© Primary Arms)

Is the Primary Arms GLx 4-16x50 FFP a good buy?

At $700, the Primary Arms GLx 4-16x50 FFP is #2 cheapest of the 8 rifle scopes we track, where the median is $2550. On the spec sheet, its tube diameter of 30 mm is the lowest of the 8, its weight of 23.5 oz is the lowest of the 8, and its objective diameter of 50 mm is below the median of the 8.

Specifications

Price (US)	$699.99 AR15Discounts lists the Primary Arms GLx 4-16x50 FFP Rifle Scope "Starting from $699.99" (all three reticle variants, MPN PA-GLX-4-16X50F-APOLLO/-MILDOT/-HUD-308). Dirty Bird Industries independently lists the same scope "From $699.99". The Armory Life review (Dec 18, 2022) cited a $750 price; used the current corroborated street price of $699.99.
Brand	Primary Arms
Released	—
Magnification range	4-16x
Objective diameter (mm)	50
Tube diameter (mm)	30
Focal plane	FFP
Reticle illuminated	Yes
Elevation travel mil	—
Click value	0.1 MIL
Field of view (ft)	—
Eye relief (in)	3.5
Parallax type	side-focus
Length (in)	13.8
Weight (oz)	23.5

Source: primaryarmsoptics.com (verified 2026-07-11) · corroborated by ar15discounts.com. The official Primary Arms Optics product page (source.url) returned HTTP 403 to automated fetching, so numeric specs and price were extracted verbatim from the AR15Discounts retailer listing (corroboration), which identifies the exact model by name, MPN (PA-GLX-4-16X50F-APOLLO/-MILDOT/-HUD-308) and UPC and lists 4-16x magnification, 50mm objective, 30mm main tube, First Focal Plane, Illuminated: Yes, 3.5"-3.6" eye relief, 13.8" length, 23.5 Oz weight, and a "0.1 MIL click" value, priced "Starting from $699.99". Dirty Bird Industries lists the identical spec sheet and price, and The Armory Life's dated review (Dec 18, 2022) of the "Primary Arms GLx 4-16x50FFP" confirms model identity, the 30mm FFP build, the illuminated reticle (10 brightness settings), and a parallax knob stacked on the left side turret (i.e. side-focus). Field of view and total elevation travel were not stated on any fetched page, so both are null; releaseDate left null as no fetched page stated it.

Is the Primary Arms GLx 4-16x50 FFP worth it vs cheaper rifle scopes?

Primary Arms GLx 4-16x50 FFP against its closest cheaper and pricier rifle scopes on the specs that matter — every value sourced. See all 8 ranked →

Product	Price	Magnification range	Objective diameter (mm)	Tube diameter (mm)	Focal plane	Reticle illuminated
Primary Arms GLx 4-16x50 FFP this	$699.99	4-16x	50	30	FFP	Yes
Arken EP5 5-25x56	$499.98	5-25x	56	34	FFP	Yes
Athlon Ares ETR 4.5-30x56	$1437.49	4.5-30x	56	34	FFP	Yes

Frequently asked questions

How much does the Primary Arms GLx 4-16x50 FFP cost?

The Primary Arms GLx 4-16x50 FFP has a US price of $699.99 (AR15Discounts lists the Primary Arms GLx 4-16x50 FFP Rifle Scope "Starting from $699.99" (all three reticle variants, MPN PA-GLX-4-16X50F-APOLLO/-MILDOT/-HUD-308). Dirty Bird Industries independently lists the same scope "From $699.99". The Armory Life review (Dec 18, 2022) cited a $750 price; used the current corroborated street price of $699.99.), as of 2026-07-11.

How does the Primary Arms GLx 4-16x50 FFP compare on price?

At $700, the Primary Arms GLx 4-16x50 FFP is #2 cheapest of the 8 rifle scopes we track, where the median is $2550.

What are the Primary Arms GLx 4-16x50 FFP's key specs?

Primary Arms GLx 4-16x50 FFP (Primary Arms): magnificationRange 4-16x, objectiveDiameterMm 50, tubeDiameterMm 30, focalPlane FFP, reticleIlluminated Yes. Full sourced spec sheet verified 2026-07-11.