Reliability Enhancement Kit H3

Name: Reliability Enhancement Kit H3
Brand: Geissele Automatics
Availability: OutOfStock

Geissele Automatics · Upper Parts

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Best price

$494.00at Brownells

Out of stock checked Oct 1, 2026

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Store	Price	Availability	Buy	Add to build
Brownells Best price	$494.00checked Oct 1, 2026	Out of stock	Buy at Brownells
OpticsPlanet	$494.00Salechecked Oct 1, 2026	Out of stock	Buy at OpticsPlanet

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$494.00	$494.00	$494.00
OpticsPlanet	$494.00	$494.00	$494.00

Since Sep 28, 2026.

About this part

The Reliability Enhancement Kit H3 is an AR-15 upper part from Geissele Automatics. It's sold by 2 stores, all at $494.00.

Specifications

Manufacturer: Geissele Automatics
Platform: AR-15

From the manufacturer

AR-15 RELIABILITY ENHANCEMENT KITS The Geissele Reliability Enhancement Kit (REK) includes the Geissele Reliability Enhanced Bolt Carrier Group (REBCG) and the Geissele Super 42 Braided Wire Buffer Spring & Buffer, available in H2 or H3 configuration for 5.56mm AR-15 pattern rifles. The REK represents the culmination of years of extensive testing and fine-tuning to deliver the most reliable operating system upgrade for your carbine. Manufactured in Geissele's state-of-the-art facility in North Wales, PA, the REBCG is a full-mass, full-auto rated M16/M4 bolt carrier group. The carrier is machined from mil-spec 8620 steel and features a properly torqued and staked, chrom Mfg: Geissele Automatics