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Joker-2 Kit Type "A"



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Introducing the Joker-2 Kit Type "A"

URSA® Joker-0 Kit Type "A"


Product Overview

URSASEC® introduces the Joker-2 Kit Type "A”

The Joker-2 kit (grade "A") includes:

"Joker-2" kit (kit type "A") is designed for rifles based on AR-15. Consists of a handguard and additional accessories. Length of handguard - 285 mm (11,22").
Has Picatinny rail on top and Basis rails on three sides. Basis rails allow 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.

In the kit:
B-72 rail (upper)
1 pc.
B-82 rail (lower)
1 pc.
BN-1 titanium barrel nut
1 pc.
Screw M5х7
6 pcs.
A-2L slingmount
1 pc.
RL-1 hand stopper
1 pc.
B-2L rail
1 pc.
RGB-2 gas block 0,750" (with a pin)
1 pc.
Device for RGB-2 positioning
1 pc.
«Joker» key
1 pc.
NPN-2 Basis rail cover
6 pcs.
Cylinder (packaging)
1 pc.
1 pc.
Overall dimensions:
B-72 rail: (246х39х38) ± 5 mm.;
B-82 rail: (288х41х51) ± 5 mm.;
BN-1 titanium barrel nut: (53х35) ± 5mm.;
RGB-2 gas block 0,750": (40х32х22) ± 5 mm.

B-72 rail: 106 ± 3 g.;
B-82 rail: 142 ± 3 g.;
BN-1 titanium barrel nut: 62 ± 3 g.;
RGB-2 gas block 0,750": 30 ± 3 g.

To install «Joker» kit, you need to do the following:
  1. Deinstall your regular muzzle device, handguard, gas block, barrel nut.
  2. Unscrew BN-1 barrel nut, divide it into mounting nut and fixation nut. Tighten the mounting nut on the rifle.
  3. Install B-82 lower rail.
  4. Install the fixation nut. Tighten it by «Joker» key.
  5. Install RGB-2 adjustable gas block. For that do the following:
    - Install a gas tube on RGB-2 (compatible only with straight gas tubes);
    - Install RGB-2 on the barrel;
    - Position RGB-2 on the barrel so, that the opening for gas outlet is combined with the gas inlet opening on RGB-2. For that slide the device for RGB-2 positioning along the B-82 rail so that RGB-2 enters the device. After that tighten two screws on RGB-2.
    - Take off the device for RGB-2 positioning from the barrell.
  6. Install (slide) B-72 upper rail on the lower rail.
  7. Tighten six screws to fix B-72 rail on B-82 rail.
  8. Install A-2L slingmount, RL-1 hand stopper, B-2U rail if needed.
  9. Install NPN-2 Basis rail covers if needed.
Maintenance of rifles based on AR-15 becomes more comfortable with “Key Rod №1” (not in the kit, sold separately).

Warranty period of storage and operation of the product: 60 months.


        This is sold as a single unit.


        Legal Terms and Conditions



        Legal – Terms and Conditions



        All terms apply to URSASEC sales.

         It is important to remember that nothing is “bulletproof”. Our body armor is only bullet resistant, and if a bullet strikes you there is always a risk you will be injured or killed. We will only ship to states where Body Armor is allowed, please know your local and federal laws prior to purchasing. Residents of Connecticut are prohibited from buying Body Armor. By making a purchase on our website ( or in person of our products you agree that you:


        Are 18 years or older

        Are a Citizen or Lawful Permanent Resident of the United States

        Have no felony convictions

        Are legally allowed to purchase and use the item in your state. 

        Agree to these Terms and Conditions 

        Are not involved with criminal organizations and are only purchasing for lawful purposes.

        Are not purchasing the item on behalf of someone else in order to avoid complying to these Terms and Conditions.

        Assume all risks of use or misuse Spartan Body Armor, and agree not to hold URSASEC ( liable in any way. 

        Ensure that your ballistic panels are properly inserted and installed. Though we have 100% confidence in our products, we must always remind the purchaser to NEVER TEST BODY ARMOR ON A PERSON! 


        URSASEC assumes no liability for your use or misuse of any item sold or donated, including without limitation any incidental or consequential liability. All warranties, including the warranties of fitness for a particular purpose and merchantability is hereby excluded. No oral agreement or warranty of any kind shall be binding unless in writing and signed by URSASEC. Statements, images, or descriptions are informational only and are not given as a warranty in any way. URSASEC  does not cover any consequential damages, and its liability is limited to preparing or replacing defective items. Every item is sold as is with all faults. The entire risk as to the quality and performance of the product is with the purchaser and operator wearing the product.


        Our protective fragmentation coating has been tested time and time again. In fact, we do random field sampling on them several times a month. Though we have complete confidence in our armor systems, we do NOT guarantee the results seen on the testing videos. Different ammunition and climate conditions can all impact the performance of our protective coating.  Again, rest easy knowing we trust our lives with our armor, but make no guarantee of the ballistic performance of the protective coating.


        Export Administration Regulations (EAR) and International Traffic in Arms Regulations (ITAR) - US Export Regulations:

        Level III and IV rifle rated body armor (Rifle Plates) fall under jurisdiction of the Export Administration Regulations (EAR) and International Traffic in Arms Regulations (ITAR), and are subject to the export control laws of the US Government. Export or re-transfer of Rifle Plates by any means to any foreign end user or for any other end use, whether in the US or abroad without written approval of the US Department of Commerce or Department of State is prohibited.

        The sale, transfer, transportation, or shipment outside of the US of any product prohibited or restricted for export without complying with US export control laws and regulations, including proper export licensing, documentation or authorization, is strictly prohibited and may result in civil penalties and/or constitute a federal crime URSASEC will not engage in any transaction that requires the illegal export of any products and will not assist directly or indirectly with the illegal export or re-export of any products.


        Copyright: The entire content included in this site, including but not limited to text, graphics or code is copyrighted as a collective work under the United States and other copyright laws, and is the property of URSASEC ( Permission is granted to electronically copy and print hard copy portions of this site for the sole purpose of placing an order with URSASEC products.


        If any part of these terms is held to be invalid by a court of competent jurisdiction, such shall not affect the validity of any other part of these Terms. Headings are for convenience only, and do not limit or affect these terms.


        These terms may be updated at any time.


        This post is approved by Ursa Securities LLC


        Contact: Ebay Direct Message


        Joker-2 Kit Type "A"

        Joker-2 Kit Type "A"