Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Questions & Answers
Will this fit an 80% Arms / DPMS 308 bolt catch? Expert Answer

You shouldn't have an issue.

by Todd, Gear Expert, September 10, 2021
Can you use this on a forged AR15 lower? Expert Answer

This is meant for an AR10.

by Todd, Gear Expert, September 10, 2021
Customer Reviews
Helpful Positive Review
Fits Aero M4E1 Lowers by Rick, Verified Owner, January 6, 2023
I bought this for an Aero Precision M5 lower, and was pleasantly surprised to find that it also fits Aero Precision M4E1 lowers. It looks much better than the stainless steel screw that comes standard in the Aero Precision lowers.
2/2 found this helpful
Helpful Positive Review
The Matrix Aerospace AR 10 is a Cadillac AR and the hurt on your wallet will confirm that if you buy one new. I got a deal at a pawn shop, but after the first trip to the range, it resulted in the bolt catch screw, spring and plunger coming loose and...
Read More...
3/3 found this helpful
Most Recent Reviews
it's a threaded retaining pin by Juan23, Verified Owner, January 26, 2026
I'm not sure what the thread pattern is, but i imagine it will work with most Ar10 lowers
Most Recent Reviews
its a threaded retaining pin by Juan23, Verified Owner, January 26, 2026
It fit my lower well enough. I'm not sure what what the thread pitch is, but i imagine it will work on most lower.
Most Recent Reviews
Bolt catch screw by Elkmaster, Verified Owner, April 22, 2025
These are heat treated and very strong.They do not round out when you try to remove them after putting locktite on them
Most Recent Reviews
Fast shipping, Perfect fit. Will definitely use Guntec again, and always use Optics Planet.
Read All 9 Reviews
Color:
Black
Caliber:
.308 Winchester
Gun Model:
AR-10

Code: 2AH-LPK-308-SCREW

MPN: 308-SCREW

UPC: 714569648886

$4.95

Product Info for Guntec USA AR .308 Bolt Catch Screw

For .308 Caliber Lower Receivers Heat Treatedimage

Specifications for Guntec USA AR .308 Bolt Catch Screw:

Manufacturer: Guntec USA
Color: Black
Caliber: .308 Winchester
Gun Model: AR-10

Package Contents:

  • Guntec USA AR .308 Bolt Catch Screw

Guntec USA AR .308 Bolt Catch Screw Orderable Models

List of Orderable Models

  • Guntec USA AR .308 Bolt Catch Screw, Heat Treated, 308-SCREW , MPN: 308-SCREW , UPC: 714569648886 , Code: 2AH-LPK-308-SCREW
Compare (0)
Last updated 2026-09-01 UTC.