AR-15 Enhanced Buffer Steel Body Carbine H2 Black
$41.49 at OpticsPlanet · 8 stores
In stock Sale
Ratchet Rachet Castle Nut QD End Plate Set
Primary Weapons Systems · Buffer Tubes & Springs
No ratings yetBest price
$39.99at GunMag Warehouse
In stock Lowest in 30 dayschecked Nov 10, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $39.99checked Nov 10, 2026 | In stock | Buy at GunMag Warehouse | |
| OpticsPlanet | $41.49Salechecked Nov 10, 2026 | In stock | Buy at OpticsPlanet | |
| AR15Discounts | $34.95Salechecked Nov 10, 2026 | Check store | Buy at AR15Discounts | |
| Battlehawk Armory | $39.95Salechecked Nov 10, 2026 | Check store | Buy at Battlehawk Armory | |
| Dirty Bird | $39.95checked Nov 10, 2026 | Check store | Buy at Dirty Bird | |
| Classic Firearms | $39.95checked Nov 10, 2026 | Check store | Buy at Classic Firearms | |
| Palmetto State Armory | $39.99checked Nov 10, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells | $39.95checked 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: $39.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $34.95 | $34.95 | $39.95 |
| Battlehawk Armory | $39.95 | $39.95 | $39.95 |
| Brownells | $39.95 | $39.95 | $39.95 |
| Classic Firearms | $39.95 | $39.95 | $39.95 |
| Dirty Bird | $39.95 | $39.95 | $39.95 |
| GunMag Warehouse | $39.99 | $39.99 | $39.99 |
| OpticsPlanet | $41.49 | $39.99 | $41.49 |
| Palmetto State Armory | $39.99 | $39.99 | $39.99 |
Since Sep 28, 2026.
About this part
The Ratchet Rachet Castle Nut QD End Plate Set is an AR-15 buffer part from Primary Weapons Systems. It's sold by 8 stores (2 in stock), from $34.95 to $41.49. The lowest in-stock price in the last 30 days was $39.99 at GunMag Warehouse.
Specifications
- Manufacturer
- Primary Weapons Systems
- Platform
- AR-15
From the manufacturer
The Primary Weapons Systems Ratchet Lock Castle Nut End Plate set works with mil-spec or commercial buffer tubes and is an alternative to staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any buffer tube. Mfg: Primary Weapons
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