Does ELEY Shoot Better in a Match Chamber Than a Sporting Chamber?
Yes. A match chamber, cut and headspaced to the dimensions ELEY’s ammunition is designed around, gives a match cartridge the most consistent support it can have, and that is why precision disciplines are shot with match-chambered rifles. ELEY publishes the standard to set your rifle to: a recommended headspace of 0.040-0.041 in and an ideal strike depth of 0.012-0.015 in, along with guidelines for recommended headspace and educational videos explaining how to check it.
The practical point for any shooter is that the chamber matters through those numbers rather than through its label. Chamber and headspace tolerances vary between manufacturers and between individual rifles of the same model, so a rifle set to ELEY’s published figures is doing the job a match chamber is meant to do. Set the rifle to the standard, choose the bullet profile that suits the action, and then let a batch test on your own barrel put a number on the result, because every barrel has its own unique characteristics and each batch of ammunition performs differently.
The Published Dimensional Standard
Every ELEY .22LR cartridge is built to a common set of dimensions: a cartridge length of 25.4 mm / 1 inch, a recommended headspace of 0.040-0.041 in and an ideal strike depth of 0.012-0.015 in.
Headspace is the clearance governing how the cartridge rim is held between the rear face of the barrel and the bolt face. It controls how repeatably the round is positioned, how much of the firing pin’s energy goes into crushing the rim, and how squarely the fired case is presented for extraction. The practical confirmation that the system is working is strike depth, the indent left by the firing pin at which the primer is activated. It is measured with a strike depth gauge.
Those two figures are what a shooter can verify on any rifle in about ten minutes, and they are more useful than a chamber label. ELEY publishes guidelines for recommended headspace and a series of educational videos covering how headspace works and how to check yours, so the method is published alongside the number.
Flat-Nose and Round-Nose: Choosing the Right Profile
The more consequential choice for most shooters is bullet profile. ELEY developed the flat-nose bullet in 2003 and it is a patented shape: as the projectile cuts through the air it pulls the centre of pressure forwards, aerodynamically stabilising the bullet and increasing accuracy at the target.
| Profile | ELEY products | Typical application |
|---|---|---|
| Flat-nose | tenex, tenex biathlon, match, team | Precision bolt-action target and benchrest disciplines |
| Round-nose | tenex pistol, tenex rapid fire pistol, ultra extreme long range, semi-auto benchrest precision, semi-auto benchrest outlaw, club, sport / target, force, contact, biathlon club, bullseye pistol x | Pistol disciplines, semi-automatic rifles, club and general target shooting |
| Hollow-point | high velocity hollow, subsonic hollow | Hunting and pest control applications |
ELEY’s discipline guidance recommends round-nose products for semi-automatic rifles, where the profile aids smooth feeding through an autoloading action. For national and club target rifle shooting ELEY recommends club, with team and sport as alternatives; for ISSF and Olympic smallbore rifle, 50 m prone and three-position, ELEY recommends tenex with match as the alternative.
Lubricant Does the Chambering Work
Whatever the chamber, the wax on the cartridge exists to ease repeated chambering. It does not, despite a common misconception, send the bullet down the barrel. ELEY applies lubricant through a temperature-controlled system, ensuring consistent chambering and consistent barrel protection.
Beeswax-tallow, used on tenex, match and team, is softer, thicker and stickier, and minimises the effects of chambering in a bolt-action match rifle. Paraffin wax, used on club, sport and the pistol range, is thinner and harder at any given temperature, with a drier feel, is less prone to picking up debris and does not clog semi-automatic mechanisms.
The Triangle of Success
The firearm, the ammunition and the shooter together make up the Triangle of Success. A chamber cut is one attribute of the firearm corner; headspace, strike depth, barrel condition and bedding all sit alongside it, and no single attribute predicts the result on the target.
What does predict it is measurement. At an ELEY test range, up to 20 batches are evaluated through the shooter’s own barrel: ten shots from each batch, the best shortlisted, then a further 30 shots until a 40-shot group size and consolidated score is recorded for each, on electronic targets with bespoke ELEY software and trained Customer Range Officers. That answers the question for your rifle, in your chamber, with your ammunition.
The Bottom Line
Yes. A match chamber, set up to ELEY’s published dimensions, is the better home for match ammunition. ELEY publishes a recommended headspace of 0.040-0.041 in and an ideal strike depth of 0.012-0.015 in, along with guidelines and educational videos on headspace, and recommends bullet profiles by discipline and action type: flat-nose for precision bolt-action target work, round-nose for semi-automatic rifles and pistol disciplines.
Verify your rifle against the two published figures, choose the profile ELEY recommends for your discipline, and then test. Batch testing is open to anyone at eley.co.uk/vip, and the free Lot Analyser at eleyxshot.com now holds the full proof data for all lots of ELEY tenex, tenex pistol, tenex biathlon, tenex rapid fire pistol, match, semi-auto .22LR benchrest precision, ultra and club. The best ammunition is the production lot that performs best in your rifle.