Thread: Service Rifle AR

ELIGIBILITY
All firearms that meet Equipment standard, section E1 will be eligible to
compete in the New Zealand Service Rifle Championship. In the event of
dispute concerning a rifle or part the “advantage” rule is applied, i.e. is any
advantage gained by use of the rifle or part over the accepted standard form
of that firearm?

AR15:
NB: “standard” refers to features and or parts identical (fire control components to be NZ
legal for an MSSA) to those that make up such rifles as the military issue Bushmaster
shown. Any acceptable variation from the “standard” is detailed below. Under no
circumstances will National Match or accuracy enhanced models be considered as
standard regardless of their use in other countries by military or civilian agencies
Upper Receiver: A1, A2 or Flat Top A3/A4. No Match style, high rise, or similar receivers
allowed. Milspec standard A1/A2 style charging handles only.
Lower Receiver: A1/A2 style with standard Milspec controls. No extended magazine, bolt
or safety levers. A left handed safety may be fitted if it is the same type as the safety on
the right hand side of the rifle. Magazine wells may not be modified.
Barrel: No stainless or match/target use intended barrels allowed. Chamber is to be 5.56
NATO, SAAMI STD .223 Remington or a chamber that will feed all Milspec ammo. Barrel
diameter is based on A1, A2 or commercial A2 HBAR styles. The Front sight block must be
of the A1/A2 design and be pinned to the barrel. Twist rates from 1/7 to 1/12 are
acceptable.
Stocks: A1, A2 and CAR/M4 butt stocks are acceptable. Hand guards may be A1, A2 or
Knights Armament RAS style fore ends. Free floating of the barrel is not permitted. Pistol
grip is to be A1 or A2. Hogue and other accessory pistol grips are not allowed.
Trigger: Milspec standard A1/A2 style with a single stage release; no match single or 2
stage triggers may be fitted. Note: pull weight for a standard AR15 trigger is 5.5-8 pounds.
No aftermarket spring kits or lightened components allowed
Magazine: Any capacity up to 30 rounds. Magazine must not be modified to allow hand
loaded ammunition to be seated further out. New style anti tilt followers and Mag-Pull
bases are acceptable.
Open Sights: A1/A2 sights, flat top receivers may use a carrying handle sight or a clip on
Milspec type of sight. Front post must be a minimum of 0.050 inch and rear peephole sizes
are to be no smaller than A2 Milspec standard. Sights that co-witness with an Aimpoint
style scope are acceptable. Fibre optic or “Hi Viz” type front posts are not acceptable.
Scope Mount: Any commercial or military mount that attaches to the receiver is
acceptable. Mounts that attach to the carrying handle and place the optic in front of the
receiver and just above the hand guards are acceptable.