Product Special: V22N9

By The Small Arms Review Editorial Staff

Multi-Caliber Rifles

PARATUS Weapon System

PARATUS weapon system uses patented quick-change barrel system and internal recoil system which allows for the weapon to be fired with the stock folded. Available in 7.62 NATO and 6.5 Creedmoor. drdtactical@usa.com

Weight: 9.2lbs
Length: 38in
Calibers: 7.62 NATO or 6.5 Creedmoor
Barrel Lengths by Caliber: Both calibers 16in, 18in or 20in
Action: Semiautomatic
Rate of Fire: N/A
Muzzle Velocity: 2750 fps
Effective Firing Range: 800m to 1000m depending on barrel length
Feed System: Magazine fed
Sights: Does not come with any sights
Quick-change barrel system in carrying case.


The CDX-MC KRAKEN, is a multi-caliber rifle using an innovative (patent pending) barrel change system. This multi-caliber system features the lowest shift of point of impact between takedown and reassembly of the same barrel on the market. Cadex CDX-MC uses a traditional barrel to action threading system while incorporating a special tool designed to unscrew and torque its barrel from the breech side. cadexinc.com

Weight: 15.2lbs / 6877g (without muzzle brake, based on 26in barrel)
Length: 46.1in / 117.1cm (Folded: 37.2in / 94.49cm)
6 Creedmoor, .260 Rem, 6.5 Creedmoor, 6.5x47 Lapua, .308 Win, .300 Win Mag, .300 Norma Mag, .338 Lapua Mag, .338 Norma Mag
Barrel Length by Caliber:
  6 Creedmoor: 24in–26in
  6.5 Creedmoor: 24in–26in
  6.5x47 Lapua: 24in–26in
  .260 Rem: 24in–26in
  .308 Win: 20in–24in (26in on request)
  .300 Win Mag: 24in–26in
  .300 Norma Mag: 24in–26in
  .338 Lapua Mag: 27in
  .338 Norma Mag: 27in
Action: 3 lug bolt with 60° bolt throw
Bolt Action Repeater
Rate of Fire: N/A
Muzzle Velocity: ± 2800 fps
Effective Firing Range: ± 2000 m
Feed System: Magazine feed
Sights: Does not come with any sights

Windham Weaponry
RMCS-4 Rifle Kit

Windham Weaponry’s RMCS-4 rifle kit offers four calibers in one AR platform by changing out barrels, magazine wells and, if necessary, the bolt/bolt carrier and magazine. Barrels are chrome-lined for long life (9mm barrel has a Melonite finish). All WW barrels are clearly stamped with appropriate caliber markings. windhamweaponry.com

Weight: Varies depending...

This article first appeared in Small Arms Review V22N9 (November 2018)
and was posted online on September 21, 2018


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