Gun Inspection Barrel Series

Inspection barrel

SDQ-WD01 type

1. Product assembly: The main body and bottom support of the product are separated during transportation. After receiving the goods, connect the bottom support rod to the two connecting rods on the main body and fix them with bolts. This product supports 45-50° angle adjustment.

2. Product function: The gun inspection barrel has the function of collecting all bullets within the level 6 of the police (including level 6).

3. Product specifications: The inspection barrel is composed of a composite body, buffer materials, brackets, etc. The total mass is ≤56.6kg/set. The outer layer of the cylinder is made of a seamless steel pipe with a length of 920mm, an outer diameter of 137mm, and an inner diameter of 101mm. The bottom of the cylinder is welded with a 30mm steel plate and the cylinder. The inside of the bottom of the cylinder is 50mm thick and impregnated with ultra-high molecular weight. Polyethylene fiber weftless fabric and 2 layers of 10mm thick rubber sheets. A foldable bracket and a locking device are installed on the outside of the cylinder.

4. The product is corrosion resistant.

5. In a normal temperature environment, use a 1979-style 7.62mm sniper rifle and a 1953-style 7.62mm ordinary bullet (steel core) at a distance of 10m to shoot 3 rounds of bullets into the inspection barrel. After the test, no warheads or shrapnel were found. It penetrates the bottom and wall of the inspection gun barrel and does not pop out of the inspection gun barrel.

6. In a normal temperature environment, use a 1979-style 7.62mm sniper rifle and a 1953-style 7.62mm ordinary bullet (steel core) at a distance of 10m to inspect the barrel wall (outer surface) and barrel bottom (outer surface) respectively. Each shot of 3 bullets, the bullet speed and bullet mark depression depth are:

Barrel wall: 1. The bullet speed is 750m/s, the bullet mark depression depth is: 2.4mm;

      2. The bullet speed is 749m/s, and the depth of the bullet mark is: 2.7mm;

      3. The bullet speed is 753m/s, and the bullet mark depression depth is: 3.2mm.

Tube bottom:

      1. The bullet speed is 753m/s, and the depth of the bullet mark is: 2.9mm;

      2. The bullet speed is 747m/s, and the bullet mark depression depth is: 2.8mm;

      3. The bullet speed is 748m/s, and the bullet mark depression depth is: 2.6mm.

7. Instructions for use:

Before using the gun inspection barrel, make sure that the inside of the main body is filled with fine sand, usually 300-400mm high, and then put the 10mm thick rubber pad in the packaging box into the gun inspection barrel before use.

8. Accessories: a 6mm wrench and 2 gaskets.

9. The product has passed the inspection of the National Security Alarm System Product Quality Supervision and Inspection Center (Beijing) and the Ministry of Public Security Safety and Police Electronic Products Quality Inspection Center, and the original version is available for future reference.

10. Implementation standards: GB/T 10125-2012 Artificial atmosphere corrosion test Salt spray test Q/WD01-2018 Gun barrel inspection