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45-70 Smokeless Propellant Tests: Primer Plume Penetration Study

Primer

Charge
Compression

Compressed
Height (inch)

Cartridge
OAL (inch)

Bullet
Movement

Inert

N160

Before

After

(inch)

Results

BR2

5%

1.39

0.00

2.564

2.595

0.031

(Inert-Only test)

0.89

0.50

2.565

2.592

0.027

Misfire

0.60

0.79

2.563

2.610

0.047

Misfire

0.52

0.87

2.563

2.74

˜0.18

Partial Ignition ^A**

0.45

0.94

2.561

- - -

- - -

Hangfire ^1*

Primer	Charge Compression	Compressed Height (inch)		Cartridge OAL (inch)		Bullet Movement
		Inert	N160	Before	After	(inch)	Results
BR2	5%	1.39	0.00	2.564	2.595	0.031	(Inert-Only test)
		0.89	0.50	2.565	2.592	0.027	Misfire
		0.60	0.79	2.563	2.610	0.047	Misfire
		0.52	0.87	2.563	2.74	˜0.18	Partial Ignition ^A**
		0.45	0.94	2.561	- - -	- - -	Hangfire ^1*