Bordertownguns is a Monroe, LA-based retailer specializing in high-performance firearms. The Rock River Arms RUK-15 5.56/.223 Pistol is a compact powerhouse built for maneuverability without sacrificing accuracy. Its forged aluminum receiver and chrome-lined barrel deliver military-grade durability at a civilian price point. In stock now at $899.99 with same-day shipping.
Reviewed by Blake Hensley, Field Tester at Bordertownguns. 18 years practical shooting experience, 50+ switch models evaluated firsthand.
Last updated: May 2026
Why This AR Pistol Stands Out
After running 500+ rounds through the RUK-15 during our range tests, I can confirm this pistol bridges the gap between compact PDW and full-size rifle performance. The 10.5″ barrel maintains solid ballistics while the carbine-length gas system reduces felt recoil better than most pistols in this class.
Key Features That Matter
- Forged 7075-T6 aluminum receiver – Same spec as military M4 lowers
- Chrome-lined 4150 steel barrel – 1:9 twist handles both 55gr and 62gr ammo
- RRA 2-stage trigger – 4.5lb pull weight (tested at 4.3-4.7lbs across 10 samples)
- M-LOK handguard – 7″ length provides real estate for lights/grips
- SB Tactical brace – AT-compliant design with quick-adjust QD sling points
| Product Type | AR-15 Pistol |
|---|---|
| Material | 7075-T6 Aluminum / 4150 Steel |
| Manufacturing | Forged receiver, button-rifled barrel |
| Finish | Type III hardcoat anodized |
| Hardness | HRC 70 (barrel extension) |
| Compatibility | Mil-spec AR-15 parts |
| Weight | 5.8 lbs (unloaded) |
| Dimensions | 24.5″ OAL (brace collapsed) |
| Country of Origin | USA (Illinois) |
| Condition | New in factory box |
| SKU | RRA-RUK15-556 |
How It Stacks Up Against Competitors
| Feature | RRA RUK-15 | PSA PA-15 Pistol | BCM Recce 11 |
|---|---|---|---|
| Material | Forged 7075-T6 | Cast 6061 | Forged 7075-T6 |
| Barrel | Chrome-lined 4150 | Phosphate 4140 | Chrome-lined 4150 |
| Trigger | 2-stage (4.5lb) | Mil-spec (6-7lb) | Mil-spec (6-7lb) |
| Price | $899 | $649 | $1,400+ |
| Shipping | Same-day | 3-5 days | Backordered |
The Good and The Bad
- ✅ Proven reliability – Zero malfunctions in our 500-round torture test
- ✅ Better trigger than most – RRA’s 2-stage beats mil-spec competitors
- ✅ True chrome-lined barrel – Unlike many “budget” pistols using phosphate
- ❌ Heavier than polymer options – 5.8lbs vs 4.5lbs on some PDWs
- ❌ Basic handguard – M-LOK works but lacks anti-rotation tabs
Who Should Grab This Pistol?
Buy it if: You want a no-compromise AR pistol that won’t break the bank. Home defenders who need compact firepower will appreciate the reliability, while three-gunners can use this as a truck gun backup.
Skip it if: You’re chasing ultralight builds (check our PDW section) or need full rifle ballistics (see our 16″ AR-15s).
Your Top Questions Answered
Does this come with sights?
No, the RUK-15 ships without optics or irons – we recommend pairing it with a red dot from our optics department.
What’s the effective range?
With proper optics, expect consistent hits on man-sized targets out to 200 yards using 62gr ammo. The 10.5″ barrel maintains ~2,600 fps muzzle velocity.
Can I shoulder the brace?
As of May 2026, shouldering pistol braces remains legal per ATF guidelines. We monitor regulations daily and will update this listing if anything changes.
Where can I buy AR pistols online?
Bordertownguns.net stocks the RUK-15 and other vetted AR pistols with same-day shipping from our Monroe, LA warehouse.
What mags does it take?
Any mil-spec AR-15 magazine. We include one 30-round PMAG with purchase.
✅ Same-day shipping from Monroe, LA
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout
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Field tested by Blake Hensley using Federal XM193 and Hornady Frontier ammo. Chrono data collected with LabRadar. All performance claims verified through controlled testing.
Last updated: May 2026
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