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4140 5.56 NATO 64 gr SP
5.56 NATO · 64 gr · SP
Bullet
SP
Weight
64 gr
Casing
Unknown
Aggregate confidence: 83%Worst listing freshness: FreshHover for what this means
Retailer comparison (1)
Purchases are completed on third-party retailer websites under their terms. Round Recon does not process payments or verify eligibility. See our User responsibility notice.| Retailer | Price | CPR | Rounds | Stock | Freshness | Last verified | Buy | Watch |
|---|---|---|---|---|---|---|---|---|
Bone Frog AmmunitionTrust 0.50 / 1.00 | $65.99 | $0.660/rd | 100 | Out of stock | Fresh | 8/12/2026, 6:38:00 AM | Buy at Bone Frog Ammunition |
Price history
- Bone Frog Ammunition
View price history data table
| Retailer | Date observed | Price | Price per round | Stock status |
|---|---|---|---|---|
| Bone Frog Ammunition | 6/4/2026, 12:29:04 AM | $65.99 | $0.660/rd | out_of_stock |
Product details
- Brand
- 4140
- Caliber
- 5.56 NATO
- Bullet weight
- 64 gr
- Bullet type
- SP
- Case material
- Unknown
- JHP
- Jacketed Hollow Point — designed to expand on impact, typical for self-defense.
- FMJ
- Full Metal Jacket — non-expanding round, common for range/training use.
- HP
- Hollow Point — bullet tip designed to expand on impact.
- Brass
- Brass cases are reloadable and corrosion-resistant; the most common case material.
- Steel
- Steel cases are cheaper but not reloadable and can wear extractors over time.
- Reloaded
- Remanufactured ammunition using once-fired brass — usually cheaper, never use in carry guns.
- Subsonic
- Travels below the speed of sound — quieter, often used with suppressors.
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