CFA Condition Assessment & Functional Evaluation 3

Question 1

Muzzle erosion in a rifle barrel is most accurately assessed using:

Accepted Answer

A muzzle crown gauge or bore scope to measure erosion depth and concentricity

Answer

A muzzle crown gauge or bore scope reveals the degree of erosion, pitting, or asymmetry at the muzzle that would impact accuracy and value.

Question 2

A firearm described as 'mechanically excellent but cosmetically poor' would typically fall into which NRA category?

Accepted Answer

Good

Answer

NRA 'Good' grade applies to firearms that function reliably but show significant wear or finish loss on exterior surfaces.

Question 3

When evaluating a semi-automatic pistol's extractor, which condition most directly compromises extraction reliability?

Accepted Answer

A worn or broken extractor hook that cannot tension against the cartridge rim

Answer

The extractor hook must maintain firm tension on the cartridge rim; a worn or broken hook leads to failures to extract, a critical functional defect.

Question 4

A firearm appraiser notes 'freckling' on a blued steel receiver. This term refers to:

Accepted Answer

Tiny scattered rust spots that have begun to pit the bluing surface

Answer

Freckling describes the early stage of surface rust appearing as small scattered spots that compromise bluing and begin pitting the steel.

Question 5

The head space in a bolt-action rifle is best described as:

Accepted Answer

The distance from the bolt face to the datum line of the chamber

Answer

Headspace is the critical dimension from the bolt face to the chamber's datum line; excessive headspace is dangerous and causes case separation.

CFA Practice Test