Or AR Shim Set For .223/5.56
$3.95 at MidwayUSA · 6 stores
In stock
Best price
$4.99at Brownells
In stock checked Oct 1, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $4.99checked Oct 1, 2026 | In 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: $4.99 at Brownells. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| Brownells | $4.99 | $4.99 | $4.99 |
Since Sep 27, 2026.
About this part
The AR-15 .223 Shim Set Steel Unfinished is an AR-15 upper part from Primary Weapons Systems. One store lists it, Brownells at $4.99. The lowest in-stock price in the last 30 days was $4.99 at Brownells.
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
- Bolt
- Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups
Specifications
- Manufacturer
- Primary Weapons Systems
- Platform
- AR-15
From the manufacturer
Hardened steel shims ensure precise fit and correct alignment of flash suppressors, muzzle brakes, and compensators. Large (thick) shim allows 90Adeg of rotation and can be used as a spacer for barrels not having a relief cut behind the threads. Medium shims add approximately 45Adeg of rotation. Small shims used with large and medium shims provide smaller degrees of rotation for finely-tuned, critical alignment. Mfg: Primary Weapons SPECS: Steel. Sold in 10 paks (1 small, 1 large, 8 medium). .223 - .748" O.D. Fits muzzles threaded A 1/2"-28 tpi.
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