AR15 UPPER for Sale
Browse AR15 Upper listings from verified sellers across the U.S. on GunsAmerica.
AR-15 Upper Quick Look
The AR-15 upper receiver originated in the late 1950s as a modular component of the AR-15 rifle platform developed by Armalite. Its design focuses on modularity and ease of customization, allowing users to configure caliber, barrel length, and features. Today, AR-15 uppers remain popular among shooters for building personalized rifles across self-defense, hunting, and competition.
Why It's a Top Choice
- Highly modular design for caliber and feature swaps
- Wide aftermarket support from major manufacturers
- Allows upgrading barrels, handguards, and bolt carriers
- Compatible with most AR-15 lowers
- Improves rifle versatility and customization
Key Variants
AR-15 M4 Upper
Classic 14.5\" barrel upper popular among military-style builds and law enforcement.
AR-15 Pistol Upper
Short-barreled upper designed for pistol builds and compact configurations.
AR-15 Springfield Upper
Factory upper assemblies featuring Springfield Armory components for reliable performance.
Competitor Comparison Table
| Feature | AR-15 Upper | Ak-47 Upper | Scar Upper |
|---|---|---|---|
| MSRP | $200 - $600 | $300 - $700 | $700 - $1200 |
| Capacity/Size | Various barrel lengths, 5.56 NATO | 7.62x39mm, heavier profile | 5.56 NATO or 7.62 NATO, modular |
| Weight | 6.5 - 8.5 lbs (assembled) | 7.7 - 9.5 lbs | 7.9 - 8.5 lbs |
| Optics-Ready | Yes, Picatinny or M-LOK options | Limited optics rails | Yes, built-in rails |
| Trigger Type | Varies, primarily single-stage | Usually two-stage | Two-stage or single-stage |
| Notable Pro | Highly modular and customizable | Durable in harsh conditions | Advanced ergonomics and reliability |
| Notable Con | Requires compatible AR-15 lower | Less modular than AR-15 | Higher cost |
Best Use Cases
- Self-defense
- Law enforcement and duty rifles
- Competition shooting
- Hunting medium-sized game
- Range training and practice
- Custom rifle builds and collections
FAQs
Can I swap my AR-15 upper on any lower?
Most AR-15 uppers fit standard AR-15 lowers, but compatibility requires matching the platform and caliber specifications. Verify manufacturer details before swapping.
What is the typical barrel length for an AR-15 upper?
AR-15 uppers commonly have barrels ranging from 10 to 20 inches, with 16 inches being the standard for most builds.
How does an AR-15 upper improve rifle versatility?
Changing the upper allows caliber swaps, barrel changes, and accessory mounting, letting users tailor rifles to specific roles or preferences.
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45% OFF! Custom AR15 Upper 5.56 Nato 1:7
$399.99
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