Originally Posted by elsolo
Basic airgun types:
Multi-pump pneumatic (you pump it up several times per shot)
Pre-charged pneumatic (fill it off a scuba tank, the best type)
Spring piston (when you pull the trigger, a big spring pushes a piston and compresses the air)
All break barrel pellet guns are spring piston, including the "nitro-piston" versions that replaced the metal spring with a gas charged strut.
Glock 26; Sig P229 .40 cal ; S&W mod 27 .357 mag; Kel Tec P3AT ; S&W M&P .22 cal; Bushmaster XM15; Beretta A391 Extr 3.5 ; the requisite Rem 700 .270
"A government which robs Peter to pay Paul can always depend on the support of Paul"