NS-15 5.56mm Semi-Automatic Rifle with Heavy Barrel
Specs at a glance
About this product
Kansas Gunshop is a Wichita, KS-based retailer specializing in firearms and accessories. The NS-15 5.56mm Semi-Automatic Rifle with Heavy Barrel is a reliable, accurate rifle built for durability. Its heavy barrel design enhances precision and heat dissipation. Available now for $299.00 with same-day shipping from our Kansas warehouse.
Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.
Last updated: April 2026
| Product Type | Semi-Automatic Rifle |
|---|---|
| Caliber | 5.56mm |
| Barrel Type | Heavy Barrel |
| Material | 7075-T6 Aluminum Receiver, Steel Barrel |
| Finish | Type III Hardcoat Anodized |
| Weight | 6.5 lbs (unloaded) |
| Overall Length | 32.5" (collapsed) |
| Magazine Capacity | 30 rounds (magazine not included) |
| Country of Origin | USA |
| SKU | NS15-HB-556 |
Key Features
- Heavy barrel profile for improved accuracy and heat management
- MIL-SPEC 7075-T6 aluminum receiver
- Type III hardcoat anodized finish for durability
- 5.56mm NATO chambering (also fires .223 Remington)
- M4 feed ramps for reliable cycling
Pros & Cons
Pros:
- ✅ Heavy barrel maintains accuracy during sustained fire
- ✅ MIL-SPEC construction ensures reliability
- ✅ 5.56mm chambering offers versatility
- ✅ Lightweight yet durable aluminum receiver
- ✅ Competitive price point for quality AR-platform rifle
Cons:
- ❌ Magazine not included (see our magazine selection)
- ❌ Basic model - no optics or accessories included
Who Should Buy This Rifle
Buy it if:
- You want a reliable, no-frills AR-platform rifle
- You prioritize barrel quality for accuracy
- You plan to customize with your own accessories
- You need a durable rifle for range or defensive use
Skip it if:
- You want a complete package with optics (see our complete rifles)
- You prefer lighter weight for hunting applications
Frequently Asked Questions
Where can I buy the NS-15 rifle online?
Available at Kansas Gunshop (kansas-gunshop.com) with same-day shipping from Wichita, KS.
Does this rifle come with iron sights?
No, this is a basic model designed for customization with your preferred optics or iron sights.
What magazines are compatible?
Any standard AR-15 pattern 5.56mm/.223 magazine will work.
Is the barrel chrome-lined?
No, this features a carbon steel barrel with phosphate coating.
What's the twist rate?
1:9 twist rate, suitable for most common 5.56mm ammunition.
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
Browse more: Rifles | Full Shop