The Rival Arms RA75G111A aluminum grip plug is a straightforward upgrade for Glock Gen4 pistols that addresses two practical issues: frame debris accumulation and recoil management. CNC-machined from aluminum and finished in hard black anodize, this grip plug fills the cavity at the bottom of your Glock's frame, keeping dirt, lint, and other debris out while adding measured weight low in the pistol's structure. That weight increase in the lower frame translates to noticeably less felt recoil, which means faster sight picture recovery and more consistent follow-up shots—especially valuable if you run high round counts at the range or depend on your Glock for defensive carry.

It's the kind of no-fuss upgrade that appeals to shooters who've already stripped and cleaned their Glock enough to notice what ends up inside the grip. The black anodized finish matches factory Glock aesthetics, so there's no visual compromise. Installation is straightforward, and the solid aluminum construction stands up to regular use without degradation.

Note that this plug is engineered specifically for Glock Gen4 models and does not fit the Glock 36, 42, or 43. If you run a standard Gen4 9mm, .40, or .45 Glock, you'll find this a practical, durable addition to your pistol.

The Rival Arms RA75G111A aluminum grip plug is a straightforward upgrade for Glock Gen4 pistols that addresses two practical issues: frame debris accumulation and recoil management. CNC-machined from aluminum and finished in hard black anodize, this grip plug fills the cavity at the bottom of your Glock's frame, keeping dirt, lint, and other debris out while adding measured weight low in the pistol's structure. That weight increase in the lower frame translates to noticeably less felt recoil, which means faster sight picture recovery and more consistent follow-up shots—especially valuable if you run high round counts at the range or depend on your Glock for defensive carry.

It's the kind of no-fuss upgrade that appeals to shooters who've already stripped and cleaned their Glock enough to notice what ends up inside the grip. The black anodized finish matches factory Glock aesthetics, so there's no visual compromise. Installation is straightforward, and the solid aluminum construction stands up to regular use without degradation.

Note that this plug is engineered specifically for Glock Gen4 models and does not fit the Glock 36, 42, or 43. If you run a standard Gen4 9mm, .40, or .45 Glock, you'll find this a practical, durable addition to your pistol.