Rock Island Armory 1911 Builder’s Pack 6" Long RIA Tactical Slide Barrel Parts




Complete your own series 70 1911 with this Rock Island Armory RIA 1911 Long Slide 6-inch Tactical Builder’s Pack! Just add your frame and magazine of choice.

This cannot be built into a firearm without a legally purchased receiver and as such, this listing is USA regulatory compliant. USA shipping only. Please ask all questions before purchasing.

Please note that this kit does NOT include a frame or magazine. You’ll need to supply your own frame.

Choose your caliber!


  • .45 ACP (non-ramped BULL barrel. Comes with reverse plug)
  • 9mm (Clark/Para/Lissner ramped, BULL barrel. Comes with reverse plug)
  • 10mm (Clark/Para/Lissner ramped, BULL barrel. Comes with reverse plug)
  • 40 S&W (Clark/Para/Lissner ramped, BULL barrel. Comes with reverse plug)
Includes a complete set of 1911 small parts sporting a matching parkerized finish.

To list a small sample of the pieces in this kit:

  • Rock Island Armory Slide (sights pre-installed)
  • Barrel
  • Checkered grips
  • Pins (hammer, firing, ambi safety…)
  • Grip screws & bushings
  • Springs (recoil, firing pin…)
  • Complete mainspring housing
  • Safeties (grip .250 radius, ambidextrous)
  • Guide Rod
  • Slide Stop
  • Mag release, spring & lock (pre-assembled)
  • And so much more! Browse the pictures for a detailed look.

As this is a builder’s pack, it will require fitting by a qualified gunsmith.

Additional information

Weight 32.00 oz
For Gun Make


For Gun Type

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Rock Island Armory



.45 ACP, 9mm, 10mm