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Geissele Super Semi-Automatic (SSA)

Two-stage AR-15 combat trigger with a total pull of about 4.5 pounds, derived from the select-fire SSF used by US special operations. The heavier second stage is intended for duty and hard use rather than precision. Drops into any mil-spec small-pin trigger pocket.

Geissele Super Semi-Automatic (SSA)
Category
Trigger
Manufacturer
Geissele Automatics
Weight
Not recorded
Mounts at
Not recorded

Specification

Everything measured

IdentityWhat it is and who made it.

Category
Trigger
Manufacturer
Geissele Automatics
Model number
05-101
Introduced
2007
Factory part
No

FitmentThe interface it offers and the one it needs, rather than a list of guns it claims to fit.

Needs

  • AR-15 mil-spec trigger pocket (0.154 in pins)trigger:ar15

ProvenanceEvery figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.

Confidence in this record

75%

Stockists

Where to buy

Offers link straight to the shop. GunSpec never takes the order.

No shop has listed this part yet

Stock and prices come from the shops themselves. If you sell this part, you can list it and it appears here.

List a part

Compatibility

Which firearms take this part

Studio

Every firearm this threads onto, resolved

Not a list the maker typed out: the answer comes from the interface this part needs and the mounts each firearm exposes, so it stays right when either one changes.

  • The reverse lookup on every part in the catalogue
  • Interface standards, platforms and fit overrides
  • The same answers through the API and the MCP server

Requires a signed-in GunSpec account on the Studio plan. The answer is computed per firearm, so it is not part of the public record.

API

The call that returns this record

The same fields, in the same units, from the same endpoint the page reads.

curl --request GET \  --url 'https://api.gunspec.io/v1/attachments/geissele-ssa' \  --header 'X-API-Key: your_key'
Response
{  "id": "geissele-ssa",  "name": "Geissele Super Semi-Automatic (SSA)",  "category": "trigger",  "manufacturer": {    "id": "geissele",    "name": "Geissele Automatics"  },  "weight_g": null,  "length_mm": null,  "requires_position": null,  "provides": [],  "requires": [    [      {        "id": "trigger:ar15",        "name": "AR-15 mil-spec trigger pocket (0.154 in pins)",        "kind": "trigger_pocket"      }    ]  ]}