UPBOLT

18/03/2026

Time for UPBOLT V2 magazines review.
Designed for EK Archery crossbows (Cobra RX Adder, Siege, Cobra Rx / R9).

Welcome to UPBOLT, and this is year 2026 review of our V2 magazines.Our magazines works with EK Archery crossbows (Cobra RX Adder, Cobra Siege, Cobra RX, Cob...

03/12/2025

Should UPBOLT be reachable on ZOOM weekly? https://www.youtube.com/shorts/k8DPV997-0c

Vote here: http://youtube.com/post/UgkxGAD7GKMGIvB5l7bZmllK69-fS4gqVB9h?si=Bg1Us51oE4TvjBFB

21/11/2025

Ordering UPBOLT magazine till end of November 2025 you will get bolt holding system as a FREE gift.

Black Friday 2025 Spirit talked to me via few emails, both from existing customers and from guys I met first time virtually. All of them was asking how do we...

11/07/2025

Great news!
Cobra RX Adder UPBOLT Set is available.

Now we offer full crossbow setup, it means you will get delivered Cobra RX Adder crossbow with V2 magazine, UPBOLT V2 magazine, Bolt Modular system and one p...

02/07/2025

ULTIMATE SURVIVAL KIT
Great setup for practice shooting and training.
And also brings enormous internal comfort waiting for Z-day.

Great news - we will offer from July 2025 full setup, it means Cobra RX Adder crossbow with V2 magazine, UPBOLT V2 magazine, Bolt Modular system and one pack...

30/06/2025

Bolt Modular System for bolt holding and bulk load reviewed in this video: https://youtu.be/PB5PwxEw2W4

Please download electronic catalogue if you are interested to learn more:
https://drive.usercontent.google.com/u/2/uc?id=1SAeNb43jVzZ7fphV2wqIX5ItLLeTfcMz&export=download

30/06/2025

We need your advise, would you like us to offer you on www.up-bolt.com also pre-configured crossbows, not only addons (as now)?

𝐏𝐥𝐞𝐚𝐬𝐞 𝐚𝐧𝐬𝐰𝐞𝐫 𝐯𝐢𝐚 𝐥𝐢𝐧𝐤 𝐛𝐞𝐥𝐨𝐰 (preferably):
https://www.youtube.com/post/UgkxDYh9itsSDMTi0smzX7RHFBnRkihRG_4A

04/02/2025

Tactical crossbow fans! Grab a coffee and see this. Final detailed manual for UPBOLT V2 magazine is here.

Interested? We are here: www.up-bolt.com

Installation instruction covers correct setup for EK Archery crossbow RX Adder and Siege platforms, as well as show how to switch from 7.5" to 15" bolts very...

28/05/2024

Glad to announce about our first steps into direction of directly selling EK Archery products.

First step for your convenience, you can order EK Archery original R-Series bolts (both 7.5'' and 15'') with UPBOLT magazine.

Since upon a time we got request for some EK Archery products to be available directly from us. This is a first try to equip you with spare original EK Arche...

01/04/2024

Reminder for Cobra platform users.

Safety pin MUST be in a front position (FIRE) to let c**king happen.
(pin normally is in that position if you shot prior to loading).

If pin was moved to rear position (SAFE) it will not be possible to c**k the crossbow.

I would like to encourage all COBRA platform users to watch this recommendation video how to operate with Adder / Siege crossbow.

This video is a proposed procedure to use your repeating Cobra crossbow in any situation, either it is target shooting or any tactical situation.Exception in...