How To Know If I Have A Un Notched Ar Trigger

Pre-travel can be described as a measurement quotmy trigger has around 18quot of pre-travelquot. Trigger break is the point at which the sear disconnects and the hammer snaps up, striking the firing pin. Over-travel is the distance the trigger continues to travel after it breaks. More over-travel means trigger reset takes longer. Types of AR-15 Triggers

Read on and you'll find out, but know that if you do it incorrectly, Polish the Hammer Notch. The hammer notch is the most important surface. It's critical that you understand exactly what you're doing and do not change the shape of this surface or remove too much material. How to Lighten Your AR-15 Trigger By Trimming Your

Trigger terminology Take up Movement of the trigger before you reach the wall, it's the same thing as slack on a single-stage trigger and is often referred to as the first stage of a two-stage trigger. Slack Any movement in the trigger that doesn't start to disengage the sears, this is almost exclusively on single-stage triggers. Creep The movement of the trigger between when you reach the

Let's get basic. Let's discuss the basics of the AR Mil-Spec Fire Control Group. Trigger - The portion that your finger squeezes during the firing cycle.. Hammer - The portion under the most spring tension it's held in place by the sear until the trigger moves out of the way.Once released, spring tension drives the hammer's mass into the firing pin of the bolt.

On a 3.5 lb trigger, you will pull through the first 2 lbs during the take up and feel a notable, but very light, 1.5 lb wall before the shot breaks. In contrast, with a single stage trigger, you will feel all 3.5 lbs up front with no movement ideally, and then the shot will break. Tips For Selecting an AR-15 Trigger

All TriggerTech AR triggers have a short, two-stage action, designed to feel like a 1911 trigger. The triggers are designed to enhance fire control. The first stage is 0.75lbs and 0.020quot long. This leads you to a very firm wall that provides a true zero-creep break and is followed by extremely short overtravel and a sub 0.030quot tactile reset.

Un-notched hammers are smoother operating and also weigh a tad bit more. The notch serves no purpose and creates only problems. I can only guess most companies make them with the notch because Colt started it back in the day and most of them just did it because Colt did it. Gene Stoner did not design the M16 with a notched hammer.

quotNotchedquot refers to a modification that manufacturers did to their hammers to prevent folks from using a shoestring to induce hammer follow which resulted in an unreliable machinegun conversion. They would tie the string around the disconnector, allowing the hammer to follow the carrier home and press the firing pin as soon as the bolt went

There are many types of AR-15 hammers, so post a photo of the two you have so we can answer correctly. Most likely if your talking about the very top rear, the difference is AR-15 vs M16. The notch is where the auto sear ingages the hammer to hold it, until the bolt carrier trips the sear.

A single stage trigger is one that will have no slack - with the sear being engaged as soon as you pull the trigger. As such, they have a simple, smooth range of motion with a familiar and fast break. I know more than a few 3-gun competitors that prefer these triggers for their speed, surety, reliability and crispness. Some shooters also feel