Used Springfield Armory 1911 TRP Operator Half-Rail 45 ACP 5"

DISCONTINUED Springfield Armory 1911 TRP 45ACP

How Buying WorksEnding September 24, 2026 at 10:30 PM

Key Features

  • Item Type: Semi Auto Pistols
  • Action: SAO
  • Manufacturer: Springfield Armory
  • Capacity: 8 1
  • Model: 1911 TRP Operator
  • Barrel Length: 5"
  • Caliber: .45 ACP
  • Finish: Black
  • Overall Condition: Very Good

Product Description

    Springfield Armory 1911 TRP Operator Half-Rail .45 ACP, 5-Inch, Tritium Night Sights, Matte Black

    This Springfield Armory 1911 TRP Operator Half-Rail is a forged-steel, full-size .45 ACP with the discontinued half-rail configuration and hand-fit features characteristic of the TRP line. It pairs a 5-inch Government-length, bushing-fitted barrel with fully adjustable tritium night sights and traction-focused checkering. Notable details include the NM-prefix frame, integral three-slot Picatinny rail, and an integrated magwell funnel for fast, consistent reloads.

    Condition

    Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.

    Bore Condition: Excellent - Clean, mirror finish, no signs of wear.

    Bore Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Notes: There are minor handling marks present from prior use. Please refer to the photos for a closer look.

    What’s Included
    • Springfield Armory 1911 Operation and Safety Manual
    • 1x Wilson Combat steel single-stack 1911 8-round magazine

    Please note: The Springfield Armory-branded soft case shown in photos is not included.

    The TRP Operator Half-Rail features a forged steel frame and slide with a matte black finish and the series’ hand-fit attention to critical lock-up surfaces. It uses a 5-inch Government-length barrel with a barrel bushing for traditional 1911 accuracy and feel. Capacity is 8+1 in .45 ACP.

    An integral three-slot Picatinny rail is machined into the dust cover, delivering the Half-Rail configuration specific to this model. Control features include an ambidextrous thumb safety and a beavertail grip safety with a memory pad. The slide is configured with front and rear cocking serrations and a lowered, flared ejection port.

    Sight regulation is handled by a fully adjustable tritium rear paired with a tritium front, forming a 3-dot night-sight system. The sights are marked "USA H3 18," and the rear has an "UP" indicator. This setup supports precise zeroing while maintaining low-light visibility.

    Grip and handling elements include a checkered front strap and a checkered flat mainspring housing with an integrated magazine well funnel. The pistol wears tan textured G10-style grips and uses a skeletonized delta/combat-style hammer with a skeletonized long, three-hole trigger. Slide markings include "SPRINGFIELD ARMORY" with crossed-cannons, "OPERATOR CAL .45," and vertical "TRP," with the barrel hood marked "S.A. .45AUTO."

    The frame is roll-marked "SPRINGFIELD INC GENESEO IL USA" and carries an NM-prefix serial. This example represents the discontinued Half-Rail TRP Operator configuration from Springfield Armory’s USA production.

Specifications

Item TypeSemi Auto Pistols
ManufacturerSpringfield Armory
Model1911 TRP Operator
SubmodelHalf-Rail
Caliber.45 ACP
Overall ConditionVery Good
Bore ConditionExcellent
ActionSAO
Capacity8 1
Barrel Length5"
FinishBlack
Stock/Gripstan textured G10-style grips
Sight/Optic3-dot tritium night sights; fully adjustable rear
What's IncludedOwner's Manual
Country of OriginUnited States