ZENITCO

Sport-4 kit is installed in place of the regular handguard of AK and rifles based on AK with a long barrel (415 mm). Has Basis rails on all sides for installation of additional accessories directly on handguard, in particular: B-2 (45 mm.), B-2U (75 mm.), B-2L (34 mm.), B-2M (15 mm) side Picatinny rails; A-1L and A-2L slingmounts; RL-1 hand stoppers; RK-0L, RK-1L, RK-2L, RK-4L, RK-6L grips; NPN-2 Basis rail covers; FP-3 wire holders; tactical switches from "D" line.

Compatible weapon models: AKM, AKMS, AK-74, AK-74M, AK-101, AK-103, Saiga MK 223 Rem, Saiga MK 7.62 is.30, Saiga MK 5.45 isp. 30, TG-2, Saiga 308 Win v.61, Vepr-K (VPO-133), Vepr-KM (VPO-136), VPO-209, AK-366-Lancaster .

• Incompatible with AK models and civil rifles based on it with a short barrel length (314-350mm)!!! The "Sport-1" kit is designed for them.
• All products of the kit are all-milled with a coating of black or desert color.
• Material: D16T aluminum alloy
• Operating ambient temperature range: -50 to +50°C

Advantages during operation:

• strength
• improves the cooling of the gun barrel in the area from the receiver to the upper handguard
• creates the possibility of mounting additional equipment
• minimum weight and size characteristics

Weight: 280 ± 10 g

In the kit:

1. B-31LV rail: 1 pc.
2. B-10L rail: 1 pc.
3. DL-2 rail: 1 pc.
4. Mounting plate: 1 pc.

Screws:
M5x7: 16 pcs.
M5x9: 1 pc.
Oval mount: 1 pc.
Manual: 4 pcs.

To install the "Sport-4" kit on the weapon:
1. Perform an incomplete disassembly of the weapon and to remove a regular handguard and a regular upper handguard.
2. Install ''B-10L handguard" rail instead of the regular handguard. Use a hammer and a spacer. Hit the handguard retainer through a spacer. Do not hit the handguard. Do not file the rail.
3. Install ''B-31LV upper handguard'' rail.
4. Install ''DL-2 additional attachment'' rail.
5. If it is necessary to give additional rigidity to the structure, connect "B-10L handguard'' rail and ''DL-2 additional attachment'' rail by a side bar (in the kit).

Detailed information about each rail: about their advantages during operation, about technical characteristics can be found in the manuals for each bracket.
The rigidity of handguard and the rails from the kit determine the rigidity of aiminп devices, which affects the accuracy of a shot. 

Important: It is the customer`s responsibility to make sure that Zenitco parts that they are purchasing, will fit on their firearm.Some fitting may be required. All sales final, no Returns.