AR-15 5.56mm Weld Spring
$6.57 at Brownells · 2 stores
In stock
Best price
$7.50at KAK Industry
checked Oct 21, 2026
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| KAK Industry | $7.50checked Oct 21, 2026 | Check store | Buy at KAK Industry |
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
Dashed line = out of stock. Tracking since Oct 6, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| KAK Industry | $7.50 | $7.50 | $7.50 |
Since Oct 6, 2026.
About this part
The AR-15 M16 556 BCG Firing Pin is an AR-15 upper part from KAK Industry. One store lists it, KAK Industry at $7.50.
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
- KAK Industry
- Platform
- AR-15
From the manufacturer
KAK Industry Mil-Spec AR15 M16 556 BCG FIRING PIN Machined to the Mil-spec Print from High Qulity 8740 Steel, Precision ground, Properly heat treated, Chrome plated Material- High Quality 8740 for strength and durability Finish- Chrome Plated
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