How to Use a 2 Point Sling on an AR-15? | Setup That Holds

A two-point sling mounts at one spot near the front of the rifle and one near the rear, then gets adjusted until the rifle rides snug.

A two-point sling earns its keep when both ends are anchored to solid hardware and the length matches your body. On most builds the job takes about ten minutes. The step people rush is the fit: too much slack lets the rifle swing when you move; too little and you fight it every time you bring it up.

Where Does A 2 Point Sling Attach On An AR-15?

A two-point sling needs one front attachment point and one rear attachment point, and the hardware depends on what your rifle already has. Front points usually sit on the handguard; rear points on the stock, a stock slot, or a receiver end plate. Match the mount to the sling: push-button QD swivels need QD sockets, M-LOK sling mounts need an M-LOK slot, and a web sling with a Tri-Glide threads through a plain swivel loop.

Mount Type What It Needs Best For
QD socket Push-button QD swivel Fast on and off
M-LOK slot M-LOK sling mount plus swivel Free-float handguards
Picatinny rail Rail-mounted sling adapter Rifles with exposed rail
Sling loop Threaded web sling and Tri-Glide Classic swivel setups
Receiver end plate End-plate adapter with a loop Rear point on most builds
Adjustable stock slot QD swivel or Magpul QDM Collapsible stocks
Either side of stock Reattach to the opposite loop Switching shoulder sides

Most adjustable stocks accept a mount on either side, so left-handed shooters aren’t locked out; an end-plate adapter can move the rear point from one loop to the other. Primary Arms’ AR-15 sling and mount guide walks through how each mount type attaches.

Installing And Adjusting The Sling, Step By Step

  1. Clear the rifle. Drop the magazine, lock the bolt back, and check the chamber.
  2. Attach the rear end first. Push the QD swivel into its socket until it clicks, or thread the web through the rear loop.
  3. Attach the front end. Seat the second swivel, or route the web through the front swivel.
  4. Confirm both ends. Pull firmly on each connection. If a swivel pops free, it wasn’t fully seated.
  5. Adjust while wearing it. Sling the rifle, then take up or let out length until it hangs close without pressing into your chest.

Pull the slack through, tighten the fit loop, then fold the tail under and tape it so it doesn’t flap.

If you don’t own a sling yet, our tested 2 point sling picks for the AR-15 cover the models that match each mount type.

Getting The Fit Right

Two things decide whether the setup works: how high the rear point sits relative to your shoulder, and how much length you leave in the sling.

A rear point mounted low on the stock pulls the rifle down and away from your shoulder line; one at or just below the shoulder keeps the rifle tight and makes the mount faster. Since most stocks accept the mount on either side, you can move it if the sling rubs or blocks your cheek weld.

Set length while the rifle is hanging on you, not on a bench. You want enough slack to shoulder the rifle without fighting the sling, and little enough that the rifle stays close when you let go with one hand. If the stock has no slot, a receiver end plate adapter covers the rear point; if the handguard has neither M-LOK nor Picatinny, you’ll need a mount that fits the hardware you have.

When it’s dialed in: the rifle hangs close to your body, you can move and transition without holding it, and the sling never catches on your gear when you bring the rifle up. If any of those fail, shorten or lengthen by an inch and check again.

FAQs

Can A Two-Point Sling Fit Any AR-15?

Yes, but the hardware has to match. Almost any AR-15 can take a two-point sling as long as it has, or can accept, one front and one rear attachment point. QD sockets, M-LOK slots, Picatinny rails, swivel loops, and receiver end plates all work — the sling just needs the correct swivel, adapter, or threading pattern for the point you pick.

Do I Need QD Swivels To Mount A Two-Point Sling?

No. QD swivels are the fastest option because they snap in and out of a socket with a push of the button, but they only work where a socket exists. A plain web sling threaded through a swivel loop and locked with a Tri-Glide performs just as well and needs no push-button hardware at all.

How Tight Should A Two-Point Sling Be?

Tight enough that the rifle stays close to your body when you let go with one hand, loose enough that you can still bring it to your shoulder without the sling fighting you. Adjust it while wearing the rifle rather than on a bench, and check it again after a few minutes of carrying, since the sling will settle.

References & Sources

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