L2D Combat Complete Catalyst Upper, Threaded, Glock 17 Gen 3, Black/TIN, LD-CU-C-173-FT-BLK-TIN

Zaffiri Precision Glock 17/34/17L Gen 1-3 Upper Parts Kit, Metal/Plastic, 17.34.UPK

Zaffiri Precision Glock 17/34/17L Gen 4 Upper Parts Kit, Metal/Plastic, 17.34.4.UPK

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 17Lb Spring, Black - Coated Rod, 50371

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 20Lb Spring, Burnt Bronze, 50505

Centennial Defense Systems MOD4 Upper Parts Kit For Gen 1-3 Glock 17, Black - Coated Rod, Button Head Allen Screw, 24Lb Spring, 50731

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 22Lb Spring, Black - Coated Rod, 50492

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 11Lb Spring, Glock Tan, 50396

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 13Lb Spring, Tin, Gold, 50572

Rival Arms Guide Rod Assembly For Glock 17 Gen 4, Tungsten, RA-RA50G111T

Centennial Defense Systems MOD3 Upper Parts Kit For Gen 1-3 Glock 17, Black - Coated Rod, Torx Screw, 15Lb Spring, 50608

Centennial Defense Systems MOD4 Upper Parts Kit For Gen 1-3 Glock 17, Satin Aluminum, Button Head Allen Screw, 24Lb Spring, 50808

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 13Lb Spring, Black - Coated Rod, 50369

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 11Lb Spring, Black - Coated Rod, 50368

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 17Lb Spring, Glock Gray, 50511

Centennial Defense Systems MOD5 Upper Parts Kit For Gen 1-3 Glock 17, Black - Coated Rod, Flat Face Button Head Screw, 13Lb Spring, 50845

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 15Lb Spring, Black - Coated Rod, 50370

Centennial Defense Systems MOD5 Upper Parts Kit For Gen 1-3 Glock 17, Glock Tan, Flat Face Button Head Screw, 22Lb Spring, 50877

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 20Lb Spring, Black - Coated Rod, 50372

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 11Lb Spring, Black, 50480

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 17Lb Spring, White, 50588

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 17Lb Spring, Glock Gray, 50392

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 13Lb Spring, Glock Tan, 50397

Rival Arms Guide Rod Assembly Fits Glock 17 Gen 4 Stainless Steel Wit, RA-RA50G111S

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 24Lb Spring, Glock Gray, 50395

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 15Lb Spring, Glock Gray, 50391

Centennial Defense Systems MOD3 Upper Parts Kit For Gen 1-3 Glock 17, Black, Torx Screw, 24Lb Spring, 50605

Cross Armory Standard Upper Parts Kit, Glock 17/P80 Gen 3, Black, Small, Crupk-G317s

L2D Combat Complete Catalyst Upper, Non-Threaded, Glock 17 Gen 3, Black/Stainless, LD-CU-C-173-F-BLK-SS

Rival Arms Guide Rod Assembly Fits Glock 17 Gen 3 Stainless Steel, RA-RA50G101S

Centennial Defense Systems MOD1 Upper Parts Kit For Gen 1-3 Glock 17 W/Allen Screw, 20Lb Spring, Glock Gray, 50393

Centennial Defense Systems MOD4 Upper Parts Kit For Gen 1-3 Glock 17, Glock Tan, Button Head Allen Screw, 17Lb Spring, 50756

Centennial Defense Systems MOD5 Upper Parts Kit For Gen 1-3 Glock 17, Nickel, Flat Face Button Head Screw, 24Lb Spring, 50892

Centennial Defense Systems MOD4 Upper Parts Kit For Gen 1-3 Glock 17, Tin, Gold, Button Head Allen Screw, 11Lb Spring, 50809

Centennial Defense Systems MOD4 Upper Parts Kit For Gen 1-3 Glock 17, Glock Gray, Button Head Allen Screw, 11Lb Spring, 50746

Centennial Defense Systems MOD2 Upper Parts Kit For Gen 1-3 Glock 17 W/Flat Face Screw, 13Lb Spring, OD Green, 50537