Out of stock
Rival Arms RA20G202A Precision Drop-In 9mm Barrel for Glock 19 Gen 3-4, 4.02" Black PVD, Fluted & Threaded, 416R Stainless Steel
$199.99
$239.99
(You save
$40.00
)
- Firearm Make Fit:
- Glock
- Barrel Length:
- 4.02"
- Barrel Length Range:
- 4" to 4.99"
- Model:
- Precision
- Twist:
- 1:10"
- Sights:
- None
- Barrel Type:
- 416R Stainless Steel
- Barrel Features:
- Fluted
The Rival Arms RA20G202A is a precision drop-in 9mm barrel built for Glock 19 Gen 3 and Gen 4 shooters who want match-grade accuracy without a gunsmith visit. At 4.02 inches with fluting, a threaded muzzle, and a Black PVD finish, it swaps into your frame with zero fitting required—just function and shoot. Whether you're dialing in at the range or running drills, a quality barrel is the foundation of repeatable accuracy, and this one delivers the engineering to back it up.
Rival Arms machined this barrel from 416R stainless steel, a material chosen for corrosion resistance and durability in demanding conditions. The Black PVD (Physical Vapor Deposition) coating creates a hard, wear-resistant finish that holds up to regular use and harsh environments. Inside, a BORSLICK Boron Nitride treatment on the bore resists heat and carbon fouling, keeping your round count and cleaning intervals realistic. A target-crowned muzzle preserves accuracy, and each barrel is individually hand-inspected before it leaves the shop.
The 1/2-28 threaded muzzle opens the door to suppressors, compensators, and other accessories designed for that standard. Twist rate sits at 1:10 with 6-groove rifling—dimensions tuned for 9mm ballistics and stable bullet performance across typical load ranges. It's precision work at a price point that doesn't require a custom gunsmith bill, making it a solid upgrade for shooters serious about tightening their groups.
Key Features
- Drop-in design for Glock 19 Gen 3–4; no gunsmith required
- 416R stainless steel construction for durability and corrosion resistance
- Black PVD coating resists wear in harsh conditions
- BORSLICK Boron Nitride bore treatment reduces heat and carbon fouling
- Fluted design; target-crowned muzzle
- 1/2-28 threaded for suppressor and compensator compatibility
- 1:10 twist, 6-groove rifling optimized for 9mm
- Hand-inspected for accuracy
Specifications
| Brand | Rival Arms |
| Model | RA20G202A |
| Caliber | 9mm |
| Fit | Glock 19 Gen 3–4 |
| Barrel Length | 4.02 inches |
| Material | 416R stainless steel |
| Finish | Black PVD |
| Twist Rate | 1:10 |
| Rifling | 6 groove |
| Muzzle Thread | 1/2-28 |
| Installation | Drop-in; no gunsmith required |
Frequently Asked Questions
Is this barrel truly drop-in for Glock 19 Gen 3 and Gen 4?
Yes. The RA20G202A is a precision drop-in barrel designed to install without fitting or gunsmith work on Glock 19 Gen 3 and Gen 4 frames.
Can I use a suppressor or compensator with this barrel?
Yes. The 1/2-28 threaded muzzle is compatible with standard after-market suppressors, compensators, and other muzzle devices designed for that thread pitch.
What is the twist rate and rifling specification?
The barrel features a 1:10 twist rate and 6-groove rifling, tuned for stable 9mm bullet performance.
What makes the bore treatment special?
The BORSLICK Boron Nitride DCD treatment on the inner bore resists heat and carbon buildup, extending time between cleanings and supporting accuracy consistency over extended shooting sessions.
