51
CZ 75 Platform Breakdown
Platform
52
Disconnector Function and Definition
Glossary
53
Double Feed: Causes and Prevention
Troubleshooting
54
Drop-In vs Fit-to: What Gunsmiths Mean
Glossary
55
Dwell Time: Gas System Timing Explained
Glossary
56
AK-47 and AK-74 Platform Breakdown
Platform
57
1911 Barrel and Bushing Interface
Procedure
58
1911 Barrel Fitting: Feed Ramp, Hood, and Link
Procedure
59
1911 Extractor: Tension, Hook Geometry, and Tuning
Procedure
60
1911 Feed Ramp Geometry and Feeding Problems
Troubleshooting
61
1911 Fire Control Group: Hammer, Sear, and Disconnector
Procedure
62
1911 Slide Assembly: Components and Function
Platform
63
1911 Trigger Job: Reducing Pull Weight Safely
Procedure
64
Accuracy Degradation: Diagnosis Framework
Troubleshooting
65
1911 Anatomy: Complete Part-by-Part Breakdown
Platform
66
AR-15 Barrel Installation and Torque Specs
Procedure
67
AR-15 Bolt Carrier Group: Components and Function
Platform
68
AR-15 Buffer System: Weights, Springs, and Selection
Procedure
69
AR-15 Complete Platform Breakdown
Platform
70
AR-15 Free-Float Handguard Installation
Procedure
71
AR-15 Gas System Configurations: Carbine, Mid-Length, and Rifle
Procedure
72
AR-15 Headspace Gauging: Go, No-Go, and Field
Procedure