QRB 1 Pin Upper Receiver Takedown Kit Pistol Gas Tube
$369.99 at Brownells
In stock Sale
Best price
$398.65at MidwayUSA
In stock Sale Lowest in 30 dayschecked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| MidwayUSA Best price | $398.65Salechecked Nov 10, 2026 | In stock | Buy at MidwayUSA | |
| Ammunition Depot | $469.00checked Nov 9, 2026 | In stock | Buy at Ammunition Depot | |
| Battlehawk Armory | $386.57Salechecked Nov 9, 2026 | Check store | Buy at Battlehawk Armory | |
| AR15Discounts | $449.00checked Nov 10, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $449.00checked Nov 10, 2026 | Check store | Buy at Dirty Bird | |
| Palmetto State Armory | $469.99checked Nov 8, 2026 | Check store | Buy at Palmetto State Armory | |
| OpticsPlanet | $422.10Salechecked Nov 10, 2026 | Out of stock | Buy at OpticsPlanet | |
| Brownells | $469.00checked Nov 10, 2026 | Out of stock | Buy at Brownells |
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
Lowest in-stock price in the last 30 days: $398.65 at MidwayUSA. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $449.00 | $449.00 | $449.00 |
| Ammunition Depot | $469.00 | $469.00 | $469.00 |
| Battlehawk Armory | $386.57 | $357.30 | $386.57 |
| Brownells | $469.00 | $469.00 | $469.00 |
| Dirty Bird | $449.00 | $449.00 | $449.00 |
| MidwayUSA | $398.65 | $398.65 | $469.00 |
| OpticsPlanet | $422.10 | $422.10 | $469.00 |
| Palmetto State Armory | $469.99 | $469.99 | $469.99 |
Since Sep 28, 2026.
About this part
The Reliability Enhancement Kit H2 is an AR-15 upper part from Geissele Automatics. It's sold by 8 stores (2 in stock), from $386.57 to $469.99. The lowest in-stock price in the last 30 days was $398.65 at MidwayUSA.
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
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