McMillan TAC-50

Lore & Background

The McMillan TAC-50 is based on earlier McMillan designs that first appeared during the late 1980s. It is a manually operated rotary bolt-action rifle with a large bolt featuring dual front locking lugs and spiral flutes to reduce weight. The heavy match-grade barrel, made by Lilja barrels, is fluted for heat dissipation and weight reduction, and is fitted with an effective muzzle brake. The rifle feeds from 5-round detachable box magazines and uses a fiberglass stock designed for bipod use only. The buttstock is adjustable for length of pull with rubber spacers and can be removed for compact storage. The TAC-50 has no open sights and accepts a variety of telescopic or night sights.

In Canadian service, the TAC-50 was designated the C15 Long-Range Sniper Weapon (LRSW) when it entered service in 2000. It was later updated to the TAC-50A1 variant in 2014, designated C15A1, and then to the TAC-50C variant beginning in 2017, designated C15A2. The standard telescopic sight for Canadian forces was originally the McMillan-endorsed Leupold Mark 4 16x40mm LR/T M1, later replaced by the Schmidt & Bender 5-25×56 PMII. McMillan also endorses the Nightforce NXS 8-32x56 Mil-dot telescopic sight for the TAC-50.

Variants include the TAC-50A1 (introduced 2012) with a new take-down fiberglass stock, longer forend, integral cheekpiece, monopod, smaller pistol grip, and repositioned magazine release. The TAC-50A1-R2 (also 2012) adds a hydraulic recoil mitigation system in the buttstock. The TAC-50C features a folding Cadex Dual Strike chassis system, adjustable cheekpiece, adjustable length of pull, smaller pistol grip, and three Picatinny rail sections for accessories.

Reader's Guide

The McMillan TAC-50's significance stems from its role as a long-range anti-materiel rifle and its repeated achievement of world-record sniper kills. An unnamed Canadian Joint Task Force 2 sniper used the TAC-50 to hit an ISIS fighter at 3,540 meters in Iraq during the 30-day period leading up to 22 June 2017, setting the longest confirmed sniper kill record at that time. The previous record of 2,475 meters was set in 2009 by British sniper Craig Harrison using a .338 Lapua Magnum L115A3. Three of the top ten longest recorded sniper kills were made by Canadian soldiers with the TAC-50. The rifle has been adopted by multiple nations: Canada (as the C15 series), France (FORPRONU infantry and Navy commandos), Georgia, Israel (special forces), Poland (Special Reconnaissance Regiment), South Africa (Police Service Special Task Force), Turkey (Gendarmerie and Special Forces Command), Ukraine (Army), and the United States (Navy SEALs as the Mk 15). The TAC-50 family is guaranteed to produce 0.5 MOA groups with match-grade ammunition under ideal conditions, reflecting its precision engineering.

Did You Know?

• The TAC-50 held the record for longest confirmed sniper kill from March 2002 to November 2009 and again from May 2017 to November 2023.
• An unnamed Canadian JTF2 sniper used a TAC-50 to kill an ISIS fighter at 3,540 meters in Iraq in 2017.
• The TAC-50 is produced in Phoenix, Arizona, by McMillan Firearms and is also used by U.S. Navy SEALs as the Mk 15.