Item Number: TR-UL-CTG-15R-BGA
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Detailed Description


Lower/Upper Receiver

PLEASE NOTE: It is the purchaser’s responsibility to obtain a transferring FFL dealer to complete this purchase. Please have your dealer fax or email us a copy of their FFL license as soon as your order is placed. FFL's can be emailed to [email protected] or faxed to 870-545-3310. Make sure your name and order confirmation # are clearly indicated in the fax or email to avoid any processing delays.

Hand selected to ensure a proper fit between upper and lower halves.  This “better than mil-spec” set accepts all aftermarket and mil-spec internal parts.

“Multi” caliber marked. Not “T” Marked for a custom look.

  • GI style Upper and Lower machined from 7075-T6 Aluminum USA-sourced forgings.
  • Closed Trigger Guard
  • M4-style feedramps for flawless feeding.
  • Will accept all mil-spec parts.
  • Multi caliber Markings (forging stamp may vary)
  • Ash finish


Due to the nature of forged lowers, some pitting and machine marks are natural and unavoidable. Please do not be alarmed by these marks, they do not effect function.

SHIPPING INFORMATION: Lowers and Upper/Lower Sets must ship UPS for signature purposes. You must select UPS Ground (or expedited shipping) at checkout. If UPS is not selected during checkout, your order will be upgraded/charged automatically to such. If you are shipping to AK/HI, the shipping rate will be changed to the following rates.

Ground 2nd Day Overnight
Lower 48 $9.95 $21.95 $34.95
Alaska $25 $50 $100
Hawaii N/A $50 $100

*This item cannot be sold or shipped to MA.

*Due to California regulations we are no longer allowed to sell lower receivers to CA residents. Please check with your local FFL dealer for purchasing options.

15" M-LOK Rail

The Wilson Combat M-LOK AR handguard system has been designed by our engineering team to be among the lightest, strongest and most versatile compact free-floating rail systems on the market.

Machined on 5-axis CNC machines from high-strength 6005A-T5 aircraft aluminum with a smooth Mil-Spec hard anodized finish, the rail handguard/interface and its robust mounting system won't sacrifice strength, stability or accuracy over bulkier designs. The oversize and tough nitrocarburized 4130 steel barrel attachment nut reduces heat transfer and the ergonomic handguard design offers a sleek, non-abrasive platform for comfortable dynamic shooting.

Our precision machined Eleven and One O’Clock M-LOK positions enable fast, easy mounting of multiple shooting accessories popular across the shooting industry. 

In addition to a lighter, sleeker rail profile, the barrel nut design was retained from the original T.R.I.M rail to make it simple for users to easily swap the older Wilson Combat T.R.I.M rail design with this new M-LOK version.

  • Light, Strong and Compact Free-Floating Rail Design
  • Machined from 6005A-T5 Aluminum Extrusion
  • Mil-Spec Hard Anodized
  • 1.350" Internal Diameter is Compatible with most Low Profile Gas Blocks
  • Overall weight with attachments: 12.2 oz.
  • Ash Finish

For Installation Instructions Click Here

NOTE: Because of the long overall length we recommend the use of a 16" or longer barrel to clear the front of the rail

NOTE: If a screw siezes and becomes immobile do not attempt removal, please contact Wilson Combat customer service for assistance at [email protected]