AR -15 Spares- What parts do you recommend?

[hip55]

I had a firing pin retaining pin fail (found it broken when I was cleaning it) so I had to order a replacement pin. While I was there i also ordered some other bolt parts that might fail or get lost during a feild cleaning.

So here are 2 diagrams and parts lists of the upper and lower assemblies-
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The Upper parts breakdown



Upper Parts List

# 23 - Charging handle latch roll pin

# 24 - Charging handle latch

# 25 - Charging handle latch spring

# 26 - Charging handle

# 27 - Firing pin

# 28 - Bolt carrier key screw, each (2 required)

# 29 - Bolt carrier key

# 30 - Firing pin retaining pin

# 31 - Cam pin

# 32 - Bolt carrier, Semi-auto

# 33 - Bolt gas ring, improved, each (3 required)

# 34 - Bolt

# 35 - Extractor spring

# 36 - Extractor spring insert

# 37 - Extractor

# 38 - Extractor pin

# 39 - Ejector roll pin

# 40 - Ejector spring

# 41 - Ejector

# 42 - Forward Assist Assembly

# 43 - Pawl spring pin

# 44 - Pawl spring

# 45 - Pawl detent

# 46 - Forward assist pawl

# 47 - Forward assist spring

# 48 - Ejection port cover

# 49 - Ejection port cover spring

# 50 - Ejection port cover pin

# 51 - Pin retaining ring

# 52 - Upper Reciever

# 53 - Rear sight elevation spring pin

# 54 - Forward assist spring pin

# 55 - Rear sight elevation spring

# 56 - Rear sight elevation knob

# 57 - Rear sight elevation index

# 58 - Index screw

# 59 - Rear sight assembly

# 60 - Ball bearing

# 61 - Elevation index spring

# 62 - Rear sight windage knob

# 63 - Rear sight windage knob pin

# 64 - Rear sight index spring

# 65 - Rear sight ball bearing

# 66 - Rear sight flat spring

# 67 - Rear sight aperture

# 68 - Rear sight ball bearing

# 69 - Rear sight helical spring

# 70 - Rear sight base

# 71 - Rear sight windage screw

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The lower parts breakdown



Lower Parts List

# 72 - Action spring

# 73 - Buttcap spacer

# 74 - Buttstock,

# 75 - Buttplate

# 76 - Buttplate screw

# 77 - Trap Door Assembly, plastic

# 78 - Rear swivel screw

# 79 - Trap door hinge pin

# 80 - Trap door hinge

# 81 - Rear sling swivel

# 82 - Pistol grip screw

# 83 - Lock washer

# 84 - Pistol Grip

# 85 - Safety detent spring

# 86 - Safety detent

# 87 - Hammer and trigger pin (2 required)

# 88 - Magazine release button

# 89 - Magazine catch spring

# 90 - Trigger guard pivot roll pin

# 91 - Trigger guard

# 92 - Trigger spring

# 93 - Trigger, standard

# 94 - Disconnector

# 95 - Disconnector spring

# 96 - Pivot pin

# 97 - Pivot pin spring

# 98 - Pivot pin detent

# 99 - Magazine Catch

# 100 - Bolt catch spring

# 101 - Bolt catch plunger

# 102 - Bolt catch roll pin

# 103 - Bolt catch

# 104 - Safety selector lever

# 105 - Hammer spring

# 106 - Hammer with J pin, standard

# 107 - Buffer assembly

# 108 - Buffer retainer

# 109 - Buffer retainer spring

# 110 - Takedown pin spring

# 111 - Takedown pin detent

# 112 - Takedown pin

# 113 - Receiver extension

What parts would you recommend keeping on hand as spares?

[Hoser]

I would keep a spare bolt/carrier assembly around.

[gnihcraes]

I was going to post a thread similar to this... I need some spare parts but don't really know where to start. I figured a lower parts kit would be about the best thing initially to have correct?

firing pin and such...

[StagLefty]

I keep a small parts kit in my range bag-firing pin,springs,extractor etc. It seems that if anything is going to go wrong it's in the BCG.

[Troublco]

DPMS makes a parts kit with a good selection of what you would usually need, they call it their "Ultimate Repair Kit", and MidwayUSA has them for $34.99, P/N 587468. It has most of the items needed most. I've seen this kit other places, but Midway is quite a bit cheaper than anywhere else I've seen them.
A lower kit is good, too. My kit contains a lower kit, one of these ultimate repair kits, an upper kit, a pin and spring kit, and a few more of anything else I thought I might need.

[coop68]

i too carry a parts kit, i bought mine at camp perry from armerlite i think it was 20 bucks or so cant remmber but it came with, firing pin, extractor, springs pins small parts in a nice plastic box ect....

here is an idea of what i have in my kit. this is just basic for me as these are the parts that break or wear out over time i will probley add more once i have money to fund buying more.

27 30 31 33 34 35 36 37 38 39 40 41 66 85 86 97 98