Rosco Bloodline Lower Parts Kit


Complete your build with this Bloodline Lower Parts Kit without Fire Control Group, Grip or Trigger Guard.

Backed by the Rosco Manufacturing Guarantee!

(3 customer reviews)

In stock

Rosco Manufacturing’s “Bloodline” series is our hardest working category. Whether you are an occasional builder, tactical shooter, or Law Enforcement Officer we have a product that will fit your needs. All our Bloodline accessories are designed to take the abuse from unconventional wear and tear that our customer may need to inflict on their platforms. This is the only way that we can make sure that we are producing a product that will perform time after time under the most austere of conditions. We are setting out to re-define the rules and we plan on letting our work do the talking…

Complete your build with this Lower Parts Kit without Fire Control Group, Grip or Trigger Guard.

Rosco Lower Parts Kit includes:

Pivot Pin
Takedown Pin
Takedown/Pivot Pin Springs (2 total)
Takedown/Pivot Pin Detent (2 total)
Bolt Catch
Bolt Catch Plunger
Bolt Catch Spring
Mag Catch
Steel Mag Button
Mag Catch Spring
Safety Selector (Mil-Spec)
Safety Detent
Safety Selector Spring
Buffer Retainer Pin
Buffer Retainer Spring


Additional information

Weight .5 lbs
Dimensions 4 × 3 × .25 in

3 reviews for Rosco Bloodline Lower Parts Kit

  1. Greg (verified owner)

    Really well finished parts. Installed easily and without issue. I used to find cheap parts sets however the quality was not there. The price on this set made it a very easy choice to purchase.

  2. Lenny (verified owner)

    These are some well made, great quality small parts for an AR-15 platform. I normally use a different brand, however I decided to give these a shot since I have a couple of Rosco Barrels and BCG and really like them. Spend the extra money on some piece of mind that you are getting exactly what you deserve, on parts that fit great, move and operate great, and will keep your AR performing for a long time

  3. David Richardson (verified owner)

    Perfect fit, good finish, and work extremely well for the price! I will start using this for all budget builds.

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