Thread: Service Rifle question

New Zealand Service Rifle Association - Service Match Code

9.3.3.1 AR15
Note: “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.
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 a right handed
safety. Magazine wells may not be modified.
Barrel: Chamber is to be 5.56 NATO, SAAMI STD .223 Remington or a chamber that
will feed all Mil-spec ammo.
Barrel diameter is based on A1, A2, or A2 HBAR and must have an A1 or A2 fixed
front sight block that is pinned to the barrel. Twist rates from 1/7 to 1/12 are
acceptable.
Barrels must be chrome-moly or chrome lined, no stainless barrels allowed.
Maximum Dimensions: Maximum length is 20 inches.
Barrel diameter under the hand-guards (Not including the chamber area) must not
exceed .96 of an inch up to the gas-block where it must drop to the standard .750
diameter so as to fit a standard A2 gas block. The barrel diameter forward of the
front sight must not exceed .740 of an inch.
Carbine barrels; can be either 14.5 or 16” and can be M4, M4A1 or HBAR profile with
a fixed (pinned) A1 or A2 gas block. Otherwise specifications are the same as for 20
inch barrels.
The following picture shows typical maximum dimensions for HBAR style barrels. Note
that several manufacturers have a slightly larger section over the chamber of .98”.
Stocks: A1, A2 and CAR/M4 butt stocks are acceptable. Hand guards may be A1, A2 or
Knights Armament RAS style fore ends or similar type. Free floating of the barrel is not
permitted.
Pistol grips: are to be A1 or A2. Hogue and other accessory pistol grips are not allowed.
Knights style front grips are permitted
Trigger: Milspec standard A1/A2 style with a single stage release; no match single or 2
stage triggers may be fitted. Pull weight for a standard AR15 trigger is a minimum 5.5
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 Magpul bases
are acceptable. Magazine couplers and after market floor plates are permitted