Target diameters are from section 4 of the RuleBook, at BullsEyePistol.com
Printable target links (.pdf) are 8½x11 Pistol-Targets from Flat5.net   (~12Kb each)
Targets print nicely on LaserPrinters, not so well on InkJet.
I made a printable ScoreCard, feedback is welcome.
Measure printed-targets before use!!  

NRA-Conventional   ·   CMP-Competitions   ·   Olympics   ·   ScoreGuide   ·   .pdf Print Help

NRA RuleBook       4. TARGETS       4.1 Official Targets
In NRA Sanctioned competition, only targets printed by NRA Licensed Manufacturers, bearing the Official Competition target seal, or military targets issued by the Armed Services, without modification except as authorized by the NRA, will be used. All NRA Official Competition Targets are printed by NRA licensed manufacturers only. They may not be modified by the user or the manufacturer, except with specific written permission from NRA Competitions Division. NRA Target masters are made using Computer Assisted Design and must be used in production of all NRA Targets. BOLD diameters are black-rings.

4.2 to 4.8 The targets for official competition are:
Scoring ring diameters for indoor targets (in inches)
Distance Match Target No. X ring 10 ring 9 ring 8 ring 7 ring 6 ring 5 ring 4 ring
50 feet Slow B-2   0.90 1.54 2.23 3.07 4.16 5.56 7.33
Timed/Rapid B-3 0.90 1.80 3.06 4.46 6.14 8.32    
20 yards Slow B-4   1.12 1.88 2.72 3.73 5.04 6.72 8.84
Timed/Rapid B-5 1.12 2.25 3.76 5.44 7.46 10.08    
25 yards Slow B-16 0.67 1.51 2.60 3.82 5.32 7.22 9.66  
Timed/Rapid B-8 1.695 3.36 5.54 8.00 11.00 14.80 19.68  
Scoring ring diameters for outdoor targets (in inches)
Distance Match Target No. X ring 10 ring 9 ring 8 ring 7 ring 6 ring 5 ring  
50 yards Slow B-6 1.695 3.36 5.54 8.00 11.00 14.80 19.68  
25 yards Slow B-16 0.67 1.51 2.60 3.82 5.32 7.22 9.66  
Timed/Rapid B-8 1.695 3.36 5.54 8.00 11.00 14.80 19.68  

  Purchase: National Pistoleer TJtarget Alco SpeedWell Champion
NRA 50' B-2  SlowFire
B-2
NRA 50' B-3  TimedFire
B-3
NRA 20y B-4  SlowFire
B-4
NRA 20y B-5  TimedFire
B-5
NRA 25y B-16 SlowFire
B-16
NRA 25y B-8  TimedFire
B-8
NRA 50y B-6  SlowFire
B-6