When President Donald Trump’s new official portrait was unveiled Monday, it lacked two elements his predecessors had featured in their photographs dating back more than 50 years: a happy expression ...

Famars 20-bore shotgun: It has 30″ barrels – which makes it trendy – a solid rib barrel design, and a detachable trigger lock. First visual impressions are striking, the gun has very distinctive ...

ST. LOUIS, MO — Sunnen Products Company, a global leader in high-precision bore finishing and measurement, highlights the PGE-6000 Gage, a cutting-edge bore gaging system that redefines accuracy, ...

Generally, a figure between 0.005 and 0.010 inch is acceptable. On some engines, you can also measure crank endplay by inserting a feeler gauge between the crank thrust flange and the thrust bearing.

The bore, or gauge, is the internal diameter of the gun's barrel. One of the most common types of shotgun is the 12-bore but the actual diameter is .729 inches or 18.53mm. Most modern guns are ...

Inside the slide, the once-rounded firing pin safety plunger has been exchanged for a G43-style plunger with a distinctive wedge-like shape.

TriStar Folding Survival Shotgun TriStar's folder has a hollow stock to keep emergency supplies. Tristar This Turkish-made single-shot folder in 12-gauge has a 3-inch chamber (TriStar also offered it ...

Both the 781BXT and 770BXT bore gages feature enhanced wear life due to carbide-faced measuring contacts that are available on sizes above ½" (12.5mm), resolution of .00005" (0.001mm), and accuracy of ...

What caused the incident? Investigators found out that the NLG downlock pin had inadvertently been installed in the wrong place. Instead of placing it in the downlock pin hole, the G-ZBJB engineering ...