SU-16 RIFLE KELTEC CNC INDUSTRIES INC PO BOX 236009 COCOA FL 32923 321-631-0068 www.Kel-Tec.
KEL-TEC SU-16 RIFLE SAFETY, INSTRUCTION & PARTS MANUAL STATEMENT OF LIABILITY This rifle may be classified as a dangerous weapon and is surrendered by KEL- TEC CNC INDUSTRIES INC. with the understanding that the purchaser assumes all liability resulting from unsafe handling or any action that constitutes a violation of any applicable laws or regulations. Firearms can cause serious injury and death. Safety must be the prime consideration of anyone who handles firearms.
READ AND CAREFULLY FOLLOW THESE WARNINGS AND INSTRUCTIONS Make sure your “audience” is always 5 feet in back of you, not next to you when firing. Keep your firearm unloaded when not in use. These warnings and instructions are provided to assure the safe functioning of the rifle. Failure to heed them may result in improper functioning and serious injury. Kel-Tec firearms are designed to function reliably with proper care and knowledgeable use.
SAFE GUN HANDLING IS YOUR RESPONSIBILITY The SU-16 rifle is designed and chambered for the .223 Remington cartridge. The type of ammunition is also stated on the right side of the receiver. Do not use any other ammunition. Only use commercially manufactured ammunition, clean, dry, and in good condition. Never use non-standard, reloaded or damaged cartridges. Never use ammunition where the pressure levels exceed industry standards. Kel-Tec guns are manufactured from high quality materials.
INTRODUCTION The SU-16 is a semi-automatic rifle chambered for the .223 Remington (5.56mm) cartridge. The SU-16 rifle will accept most standard M-16 type magazines. The forend can be unfolded to form a bi-pod for more accurate shooting. The stock has storage space for two 10 round KelTec magazines or one 20 or 30 round magazine. By rotating the stock down and forward, the SU-16 rifle can be reduced to a size of 27x7.5 inches (680x190mm) to facilitate storage.
The hot expanding powder gases drive the bullet forward through the barrel. After about .0007 seconds the bullet passes the gas port in the barrel and some of the powder gases enter the gas head and press on the piston. The pressure builds on the piston, which pushes on the piston rod and the bolt carrier causing the bolt carrier to move backwards, unlocking the bolt from the barrel extension. After the bolt carrier moves about 0.41inches (10.
The hammer is now resting on the sear which is pushing back onto the rear of the trigger block. As the trigger is released the trigger block rotates, lowering the rear of the trigger block which allows the sear to move backwards and rest on the top of the rear of the trigger block. The SU-16 rifle is now ready for the next shot.
INSTRUCTIONS FOR USE The normal storage condition of the SU-16 rifle is unloaded with the stock folded underneath the barrel. Folding and unfolding the rifle To unfold the rifle remove the assembly pin from its spring locked hole in the receiver. The stock is simply latched onto the barrel with friction and can be unfolded by simply pulling it apart from the barrel. Fully extend the stock and line up the assembly pin holes.
unauthorized operation, other modes of storing or carrying will gradually improve readiness at the cost of safety. Malfunctioning Proper function of your SU-16 rifle is directly related to maintenance and care, and to the ammunition you use. Some of the more common types of malfunctions which may occur are as follows: Misfire: A failure to fire or unusual sound upon firing is always a signal to cease firing and immediately examine the bore of the firearm.
or foreign objects impeding the magazine follower. Improperly crimped cartridges are another cause. Failure to Eject or Extract: A fired case is not fully extracted from the chamber or ejected from the rifle. Again, keep the firearm pointed in a safe direction, clear the gun by operating the bolt, remove the case and continue. If necessary, change the magazine. The most common causes are a damaged extractor, ejector or ammunition. Improperly loaded or sized cartridges can cause this also.
back to eject the round in the chamber. Do not obstruct the ejector port and keep fingers away from trigger and muzzle. With the operating handle fully pulled back push up on the bolt stop and slowly release the operating handle, the bolt should stay open. Visually inspect the chamber to make sure it is empty. Pull back on the operating handle to release the bolt stop and release the operating handle to close the chamber. Push the remaining cartridges in the magazine forward and out.
If you wish to restore the magazine in your rifle to full capacity, press the magazine catch and remove the magazine to load the missing round. Remember to keep the safety engaged and your rifle pointed in a safe direction under all conditions and always keep your finger off the trigger and outside the trigger guard until ready to fire. the screws on the rifle should ever need to be removed for general maintenance.
With a cartridge or other pointed object push out and remove the assembly pin. Fold the stock down and forward and press it onto the barrel. Unlatch the bipod. Grip the recoil spring tube, pull it towards the muzzle and twist it ¼ turn so that the locking tab points towards the top of the rifle, it should slide into the receiver about ¼ inch as you release the recoil spring tube.
and recoil spring first align the holes in the recoil spring tube with the pin in the piston head. While holding the piston head with one hand, press out the piston pin with the firing pin or a small tool. CAUTION: the piston head is under pressure from the compressed recoil spring and the piston head and recoil spring can easily fly out and injure yourself or bystanders, always keep a hand on the piston head and point the piston head in a safe direction when removing it.
spring tube so that the locking tab points towards the top of the bolt carrier. Check the operation of the recoil spring by lightly pulling on the recoil spring tube to compress the spring. To install the bolt, cam pin, firing pin, and firing pin pin insert the bolt into the front of the bolt carrier. Twist the bolt so that the extractor is on the right side of the carrier and the cam pin hole in the bolt lines up with the cam pin slot in the bolt carrier.
Rifle assembly With the rifle stock folded and the bipod unlatched rest the rifle on its left side. Take the bolt carrier assembly, pull the bolt out as far as it will go and twist the recoil spring tube so that the lock tab is at the top of the bolt carrier. Insert the carrier from the rear of the receiver, be sure not to twist the bolt tube or push in the bolt as you insert it. Align the operating hole in the carrier with the cut-out in the receiver and insert the operating handle.
position and the safety is engaged. Put the rifle on one of its sides and loosen the four screws on the sock that are closest to the muzzle end of the rifle as shown in the figure. Do not loosen screws that are screwed into the receiver. Flip the rifle over and loosen the four screws that were in the same position as the previous four you just loosened.
when the rear sight is placed on the farthest rearward slot on the picatinny rail, the data in parentheses is for when the rear sight is placed on the farthest forward slot on the picatinny rail. Use a coin or large screwdriver to adjust the windage by the two screws on each side of the front sight block. Before turning a screw clockwise (in) the opposite must be backed out the same amount. 1/4 of a turn changes the point of impact 1.3"(1.6”) at 100 yards or 1.3 m.o.a. (1.6 m.o.a.). One full turn is 5.2 m.
carrier where the bolt, cam pin, and firing pin slide. Apply a light coat of oil on the piston rod and assemble the bolt carrier assembly and rifle as stated in the assembly part of this manual. Manually cycle the bolt back and forth to check the function of the rifle. If any parts are damaged or badly worn or the rifle does not work correctly the rifle should not be fired and should be returned to Kel-Tec for servicing immediately.
WARRANTY This warranty is granted by Kel-Tec CNC Industries, Inc. P.O. Box 236009, Cocoa, FL 32923. This lifetime warranty is effective from the date of purchase and applies to the original owner of a Kel-Tec SU-16 rifle. Kel-Tec firearms are warranted to be free from defects in material and workmanship.
100-BARREL 102-BARREL NUT 104-BARREL EXTENSION 108-BARREL RETAINER 110-BOLT 112-EXTRACTOR 114-EXTRACTOR AXIS 116-EJECTOR 118-FIRING PIN 120-BOLT CARRIER 122-OPERATING HANDLE 124-PISTON ROD 126-CAM PIN 128-RECOIL SPRING CATCH 130-PISTON HEAD 132-RECOIL SPRING TUBE 134-FIRING PIN PIN 136-GAS BLOCK 138-GAS HEAD 140-TRIGGER BLOCK 142-HAMMER 144-SEAR 145-SEAR SPRING PIN 146-SAFETY 148-FOREND AXIS 150-STOCK SPACER-16 154-STOCK SPACER-29 158-ASSEMBLY PIN 159-MAG SNAP PIN 172-FOREND LOCK SPRING 174-RECOIL SPRING 17
