
Availability: In Stock
The Rival Arms Extended Slide Lock for Glock Gen 3/4 is a precision-machined upgrade that transforms a frustrating part of routine pistol maintenance into something genuinely easier to handle. Manufactured from solid stainless steel and finished with a nitride case-hardening process, this take-down lock gives you a larger, more grippable surface than Glock's factory part—a small change that matters every time you field-strip your gun. Whether you're a competition shooter breaking down between stages, a defensive shooter running regular checks, or someone who just wants better ergonomics at the bench, a properly executed slide lock makes the whole process faster and smoother.
Rival Arms built this part using CNC machining from a stainless steel billet, meaning it's precision-formed rather than stamped or molded. That manufacturing approach, combined with the QPQ (Quench-Polish-Quench) thermo-chemical hardening, delivers a part that resists the wear, corrosion, and chipping that can plague factory slides locks over years of use—especially in harsh environments or high-round-count firearms. The nitride finish adds genuine durability without changing the basic form factor, so installation requires no gunsmith and no modifications to your frame or slide.
This part fits Glock Generation 3 and Generation 4 models across the full lineup, with the exception of the Glock 36, 42, and 43. If you run one of the mainstream Glock service pistols or carry guns in Gen 3 or Gen 4 configuration, this is a direct replacement that you can swap in yourself in under a minute.
| Brand | Rival Arms |
| Product Type | Extended Slide Lock (Take-Down Lock) |
| Material | Stainless Steel |
| Finish | Stainless Steel Nitride (QPQ Case-Hardened) |
| Manufacturing Method | CNC-Machined from Solid Billet |
| Compatibility | Glock Gen 3/4 (All Models Except 36, 42, 43) |
| Installation | No gunsmith required |
This Rival Arms slide lock is compatible with Glock Generation 3 and Generation 4 pistols in all models except the Glock 36, 42, and 43. If you run a full-size, compact, or subcompact Gen 3 or Gen 4 Glock, this part will work as a direct replacement.
No. This is a direct replacement part that requires no modifications to your frame or slide. You can swap it yourself in under a minute.
The extended profile gives you a larger surface to grip and manipulate during field-stripping. This makes the process faster and less frustrating, especially if you have larger hands or run the gun frequently enough that ergonomics matter.
Yes. The part is CNC-machined from a solid stainless steel billet and hardened using a QPQ (Quench-Polish-Quench) thermo-chemical process, which makes it more resistant to wear, corrosion, and chipping than factory parts, even under harsh conditions.



SKU: 115649680 • Width: 4.9in • Height: 0.2in • Depth: 7.8in • Weight: 0.06oz





Availability: In Stock
The Rival Arms Extended Slide Lock for Glock Gen 3/4 is a precision-machined upgrade that transforms a frustrating part of routine pistol maintenance into something genuinely easier to handle. Manufactured from solid stainless steel and finished with a nitride case-hardening process, this take-down lock gives you a larger, more grippable surface than Glock's factory part—a small change that matters every time you field-strip your gun. Whether you're a competition shooter breaking down between stages, a defensive shooter running regular checks, or someone who just wants better ergonomics at the bench, a properly executed slide lock makes the whole process faster and smoother.
Rival Arms built this part using CNC machining from a stainless steel billet, meaning it's precision-formed rather than stamped or molded. That manufacturing approach, combined with the QPQ (Quench-Polish-Quench) thermo-chemical hardening, delivers a part that resists the wear, corrosion, and chipping that can plague factory slides locks over years of use—especially in harsh environments or high-round-count firearms. The nitride finish adds genuine durability without changing the basic form factor, so installation requires no gunsmith and no modifications to your frame or slide.
This part fits Glock Generation 3 and Generation 4 models across the full lineup, with the exception of the Glock 36, 42, and 43. If you run one of the mainstream Glock service pistols or carry guns in Gen 3 or Gen 4 configuration, this is a direct replacement that you can swap in yourself in under a minute.
| Brand | Rival Arms |
| Product Type | Extended Slide Lock (Take-Down Lock) |
| Material | Stainless Steel |
| Finish | Stainless Steel Nitride (QPQ Case-Hardened) |
| Manufacturing Method | CNC-Machined from Solid Billet |
| Compatibility | Glock Gen 3/4 (All Models Except 36, 42, 43) |
| Installation | No gunsmith required |
This Rival Arms slide lock is compatible with Glock Generation 3 and Generation 4 pistols in all models except the Glock 36, 42, and 43. If you run a full-size, compact, or subcompact Gen 3 or Gen 4 Glock, this part will work as a direct replacement.
No. This is a direct replacement part that requires no modifications to your frame or slide. You can swap it yourself in under a minute.
The extended profile gives you a larger surface to grip and manipulate during field-stripping. This makes the process faster and less frustrating, especially if you have larger hands or run the gun frequently enough that ergonomics matter.
Yes. The part is CNC-machined from a solid stainless steel billet and hardened using a QPQ (Quench-Polish-Quench) thermo-chemical process, which makes it more resistant to wear, corrosion, and chipping than factory parts, even under harsh conditions.
SKU: 115649680 • Width: 4.9in • Height: 0.2in • Depth: 7.8in • Weight: 0.06oz


