AR-15 Springs – Replacement Spring Kits for Upper, Lower & Buffer Systems

Q: How do I know if my AR-15 springs need replacing?

If your AR-15 has trigger reset issues, unreliable ejection, or inconsistent cycling, it may be due to worn springs. Inspect springs regularly for wear or damage.

Q: Will these AR-15 spring kits fit all AR-15 lowers and uppers?

Most AR-15 spring kits from Mounts Plus are designed for standard mil-spec lowers and uppers. Always check product details to confirm compatibility.

AR-15 Springs – Replacement Spring Kits for Upper, Lower & Buffer Systems

**ERGO AR-15 Lower Spring Replacement Kit** $7.45

**ERGO AR-15 Upper Spring Replacement Kit** $7.45

**ERGO AR-15 Upper & Lower Spring Replacement Kit** $14.00

**Aim Sports AR-15 Lower Parts Kit** $61.95

**Deltac 28pc AR-15 Lower Parts Kit** $32.95

AR-15 Springs: Reliable Performance for Your Rifle Build or Repair

If your AR-15 is experiencing reliability issues like trigger reset problems, inconsistent cycling, or poor bolt lock-up, worn or damaged springs may be the cause. Mounts Plus offers a full selection of AR-15 replacement springs—designed for upper, lower, and buffer system repairs or upgrades.

Why Replace Your AR-15 Springs?

Restore consistent performance and reliability
Fix trigger reset, ejection, and bolt catch issues
Upgrade to mil-spec or enhanced spring sets
Perfect for maintenance, repairs, and custom builds

Our spring kits fit standard mil-spec AR-15 lowers and uppers with no gunsmithing required.

Types of AR-15 Springs We Offer:

AR-15 Lower Spring Kits: Detent, selector, takedown, and trigger springs
AR-15 Upper Spring Kits: Ejection port cover, forward assist, extractor springs
AR-15 Buffer Springs: Standard and enhanced recoil springs for tuning performance
Complete AR-15 Spring Replacement Kits: Upper, lower, and buffer system springs in one set

We stock trusted brands like Ergo and Aim Sports, known for quality and reliability.

Looking to complete your AR-15 build or repair? Explore these related pages:

Browse our full range of AR-15 lower parts including triggers, pins, and detents.
Upgrade your rifle’s reliability with AR-15 buffer springs and parts for smooth cycling.
Check out our selection of AR-15 upper parts for bolts, gas systems, and charging handles.
Explore all AR-15 accessories to customize and complete your setup.

FAQ:

Q: How do I know if my AR-15 springs need replacing?
A: If you notice trigger reset issues, unreliable ejection, or inconsistent cycling, it’s often due to worn springs. Regular inspection helps prevent performance problems.

Q: Will these AR-15 spring kits fit all AR-15 lowers and uppers?
A: Most kits are designed for standard mil-spec AR-15 receivers. Always check product descriptions for specific compatibility notes.

Q: Are AR-15 springs difficult to install?
A: No, most AR-15 springs can be replaced using basic tools like punches and screwdrivers. No professional gunsmithing is required for routine spring replacement.